ANIX Electric Actuator

ANIX VALVE USA proudly announces the latest expansion of its exceptional product line with the introduction of the cutting-edge Smart and Compact Electric Actuators. This revolutionary addition has quickly become the favored choice for valve actuation applications, including butterfly valves, ball valves, and 3-way ball valves.

ANIX VALVE USA's Smart and Compact Electric Actuators offer unparalleled performance and reliability. These actuators have been meticulously designed to meet the ever-evolving demands of modern industrial processes, ensuring optimal efficiency and precision in valve automation.

Featuring state-of-the-art smart capabilities, the actuators empower users with intelligent control and monitoring options. Through seamless integration with digital systems, operators can effortlessly manage and monitor valve operations remotely, enhancing productivity and streamlining workflow.

Moreover, the compact design of these actuators enables easy installation in space-constrained environments without compromising on functionality or robustness. Their rugged construction and high-quality materials, specified under IP67 & NEMA, guarantee long-lasting performance, even under the most challenging conditions.

Whether it's controlling flow rates, regulating pressure, or maintaining fluid direction, ANIX VALVE USA's Smart and Compact Electric Actuators deliver unmatched versatility, making them the go-to choice for professionals in diverse industries.

Incorporate ANIX VALVE USA's Smart and Compact Electric Actuators into your systems today, and experience a new level of efficiency, reliability, and intelligence in valve automation. Elevate your operations with our cutting-edge technology and ensure your processes stay ahead in the ever-competitive market.




Choosing the Right Control Valve Manufacturer in the United States

By: Jillian Chisefsky


Anix Valve USA is an industrial and fittings manufacturer for importers, distributors, and OEM customers. Anix has a proven track record of delivering high quality, reliable and effective products along with personable customer support, a team of technical experts, competitive pricing, and proper certifications. Trusted since 1988 to meet the needs of a wide range of industries including oil, gas, electricity, biology, pharmaceutical, textile, fiber, military, water supply, commercial plumbing and more.

Table of Contents:

Choosing the Right Control Valve Manufacturer


Product Variety

Industry Standards

Technical Expertise


Customer Service



Consider a control valve manufacturer based on their high quality and reliable products. Quality control valves start with basic product design and the sourcing of raw materials, to the manufacturing process, product testing and certifications. Also take into consideration the manufacturer’s quality of customer service and reputation.


What determines quality?

Materials: The raw materials used are high quality and durable to ensure the longevity and reliability of the final product. Anix uses premium quality materials such as carbon steel, stainless steel, brass and cast iron.

Testing: Testing may include performance, durability, safety, and compliance testing. Testing is used to ensure the products are not only safe to use, but they perform correctly, are durable and comply with industry standards.Anix ensures the quality and safety of its products by performing these tests.

Design: Design factors include functionality, ergonomics, durability, simplicity, aesthetics, and innovation.  Anix designs products with the end-user in mind, ensuring the preferences and needs of the customer. Anix makes sure the design is durable and adheres to wear and tear during long-term use.

Quality Control: Quality control includes material and component inspections, process control, and product inspections. Anix inspects the raw materials used to create the product to ensure they meet high standards; there are strict procedures used to monitor and control each manufacturing process.

Continuous Improvement: The manufacturer strives to create and provide products that satisfy customer needs and expectations. Anix regularly reviews its products and services by taking customer feedback, adopting the latest technology, and providing ongoing training and development to employees.


Product Variety

A good manufacturer will offer a wide array of products. There should be a range of valves to meet various application requirements and industry needs.

Anix Valve USA offers control, ball, gate, globe, check and trunnion valves, Y strainers, pipe fittings and more. Anix can meet the diverse needs of customers by offering several categories of products such as electrical, security lighting and HVAC valves.                                                                        



Picture of ANIX Stainless Steel Y strainer Class 800 Threaded NPT

ANIX Stainless Steel Y strainer Class 800 Threaded NPT

Picture of ANIX Stainless Steel  Globe Valve Class 150 / 300 RF

ANIX Stainless Steel Globe Valve Class 150 / 300 RF

Picture of ANIX Sanitary Butterfly Valve  - Clamp End / Pull Handle

ANIX Sanitary Butterfly Valve - Clamp End / Pull Handle


Full Product list could be found here



Find a manufacturer that gives you the best value for your money. Anix offers competitive pricing for its customers, making an affordable option for those looking for a cost-conscious solution.


Manufacturers should have:

Lean manufacturing: Focusing on limiting waste through the manufacturing process while still maximizing efficiency. This helps reduce the costs of product without trading off quality.

Strategic Sourcing: Carefully source raw materials from trusted and reliable suppliers at a favorable cost to ensure the product is affordable.

Economies of Scale: Companies can reduce the cost per unit by producing a high volume of products at one time. Because of this, Anix customers could save by buying in larger volumes.

Automation: Using advanced technology to push efficiency in the workplace and continuously improve work processes.


Industry Standards

Look for manufacturers that meet relevant industry certifications, such as API, ISO, ASME, and NACE. Industry standards and certifications are crucial for a manufacturer to provide high quality products that are safe, perform well and can withstand wear and tear.



Some Key Certifications for the Control Valve Industry Include:

API (The American Petroleum Institute): Widely recognized as the benchmark for high quality and performance of the oil and gas industry.

ISO (The International Organization for Standardization): An international quality recognition system that ensures a company can meet customer needs properly.

ASME (The American Society of Mechanical Engineers): Sets the standards for pressure vessel design, construction, and inspection.

NACE (The National Association of Corrosion Engineers): Standards for protection from corrosion.


Click for full Anix USA certification List


Technical Expertise

The manufacturer should have a team of advanced expertise for proper technical support to help with choosing the right valve for your needs and helping you after the sale. They should create a customer relationship ensuring that you are satisfied with their product.

Anix has a team of expertly trained engineers and staff that will provide knowledge of design, function, and repair of products for the electrical, lighting, HVAC and many more industries. The team is knowledgeable of the latest technological and industry trends. The company invests in intellectual research and development to stay on top of competitors and constantly improve the quality of their products.



Consider the convenience of the manufacturer. You want one that will have your item in stock and deliver your order on time. Choose a manufacturer that will adhere to your desired timeframe.

As a globalized brand, Anix provides products and services through a number of distributors around the world. Products are readily accessible to customers with reliable delivery and after sale support. Anix provides quick response time to customers looking for help.


Customer Service

Find a manufacturer that offers support from choosing a product to installation, maintenance, and repair services. The manufacturer should be personable and available to assist your every need.

Anix USA is committed to offering exceptional customer service that includes product training, maintenance, customization, warranty, quick response time and support after the sale. Anix ensures that customers get the value for the cost by providing these extra services before and after the sale.


Click here for Anix contact

Read our blog to learn more about Anix and our product offers

Wholesale CF8M Valve Manufacturer in the United States

CF8M Valve

A CF8M valve is a type of stainless steel valve that is often used in high-temperature and high-pressure applications. It is known for its corrosion resistance and durability, making it an ideal choice for industries such as chemical processing, oil and gas production, and power generation. In this article, we will take a closer look at the features and benefits of CF8M valves so that you can decide if they are the right choice for your next project.

Anix Valve USA is a Manufacturer of CF8M valves. Check out the product pages above!


What is CF8M Valve?

CF8M is a cast austenitic stainless steel that is similar to 304 stainless steel. The main difference between CF8M and 304 stainless steel is the addition of molybdenum. Molybdenum is a chemical element that increases the corrosion resistance of CF8M stainless steel.

CF8M stainless steel is often used in valves, fittings, and other products that are exposed to corrosive environments. This type of stainless steel is also often used in food processing and medical applications.

If you are looking for a high-quality CF8M valve, be sure to check out our selection at CFM Valves. We offer a wide variety of CF8M valves, including ball valves, butterfly valves, and check valves.

The Different Types of CF8M Valves

CF8M valves are made from an austenitic stainless steel and are therefore more resistant to corrosion than other types of valves. The most common type of CF8M valve is the ball valve, which is used in a wide variety of applications.

CF8M valves are also available in other forms, such as the butterfly valve and the check valve. Ball valves are the most popular type of CF8M valve because they are very versatile and can be used in a variety of applications.

Butterfly valves are another type of CF8M valve that is growing in popularity. Butterfly valves are used in applications where a high level of control is required, such as in the food and beverage industry.

Check valves are the third type of CF8M valve. Check valves are used to prevent backflow into a system. Backflow can occur when there is a change in pressure or when fluid flows in the wrong direction.

CF8M valves are an important part of many different industries and applications. If you need a reliable and durable valve, then a CF8M valve is a good option to consider.

Pros and Cons of a CF8M Valve

A CF8M valve is a type of check valve that is often used in high-pressure applications. The main advantage of using a CF8M valve is that it is very durable and can withstand high pressures.

However, there are some disadvantages to using a CF8M valve. One of the biggest disadvantages is that it can be very difficult to repair if it breaks. Additionally, CF8M valves are not always compatible with all types of piping materials.

Applications of a Manufactured CF8M Valve

CF8M valves are made of an austenitic stainless steel that is ideal for use in corrosive environments. The most common application for a CF8M valve is in the chemical industry, where it is used to control the flow of corrosive liquids.

CF8M valves can also be used in food processing, pharmaceuticals, and other industries where there is a need to control the flow of aggressive fluids.

How to select a CF8M Valve?

The first thing you need to do when selecting a CF8M valve is to determine the function that the valve will serve. There are three primary types of valves: check valves, shut-off valves, and control valves.

Check valves allow flow in only one direction and are used to prevent backflow. Shut-off valves are used to stop or block the flow of fluid. Control valves regulate the flow of fluid and can be used to throttling or modulating applications.

Once you know the primary function of the valve, you can narrow down your choices by considering the material of construction. CF8M is a cast austenitic stainless steel that is commonly used for valves. Other materials include carbon steel, brass, and bronze.

You also need to consider the pressure rating of the valve. CF8M valves are available in pressure ratings ranging from 150 PSI to 1,000 PSI. Select a valve with a pressure rating that exceeds the maximum operating pressure of your system.

Finally, you need to decide on the connection type. CF8M valves are available with threaded, socket weld, and butt weld connections. Choose a connection type that is compatible with the piping system.


The CFM valve is a great choice for those who are looking for an upgrade from their stock valve. It offers many benefits such as increased airflow, better fuel economy, and reduced emissions. It is also backed by a solid warranty.

Wholesale Full Port Ball Valve Manufacturer


Anix Valve USA is a leading full port ball valve manufacturer based in Houston, Texas, United States.

Full Port Ball Valve” or “Full Bore” refers to a special valve design which allows to have an unrestricted flow whenever a valve is opened. These full port ball valves usually have larger bodies in comparison to the standard valves. Thus, allowing for a large ball and larger inside opening due to having a larger house body.

Full Port Ball Valves, Standard Port Ball Valves, & Reduced Port Ball Valves

Basically, a full port ball refers to that valve that has the same diameter as the diameter of the pipe. On the other hand, a standard port ball valve has a diameter that is smaller as compared to the diameter of the pipe.


As the full port valve openings have the same diameter or size as the pipe surrounding it, it makes a great application because it would to little or no flow loss. In case the full port ball valve is in the “open” or “on” position, then the valve would almost feel like the it is not there. The flow is also restricted.


Apart from full port valves and standard port valves, there are also reduced port ball valves. Reduced port ball valves are basically those valves in which the ball opening is smaller as compared to the full port ball valves. These smaller valve openings help in increasing the velocity.


Usually, the full port ball valves are on the more expensive side in comparison to the reduced or standard port valves. The benefits of each valve will depend on their need or application. Also, all ball valves aim to serve the same purpose, to provide an open or closed pipe functionality or on or off pipe functionality.


Let us have a look at some frequently asked questions about full port ball valve below.


What is a full bore in the valve?

A full bore ball valve basically has an oversized ball. The hole in this ball is of the same size as that of the pipe's internal diameter. This will ensure a straight-through flow as well as a positive shut-off with very less resistance and minimal pressure drop to the liquid flow. 


Full Flow Valves

Full flow valves or full flow ball valves have been designed along with a full port in order to maintain a high flow as well as minimize the possible pressure drops.


How does a full port ball valve actually work?

A full port or full flow ball valve comes with a straight flow path. In this path, there is no flow reduction just because it all travels through a valve.


Do ball valves really restrict flow?

The ball’s center has a hole. When, both, the pipe and the hole are aligned, then fluid can flow. The flow of the fluid can be simply shut off just by turning the handle to 90 degrees. This is one great reason why ball valves are also known as quarter-turn valves. In case the hole through ball is comparatively smaller than the pipe’s bore, then it would restrict flow.




Wholesale Butterfly Valves within the United States

What is a butterfly valve?


Anix Valve USA is one of the most reliable manufacturers of butterfly valves. For more information, please visit our product pages above!

A butterfly valve is a quarter-turn valve that uses a disk to regulate the flow of fluids. The disk is positioned perpendicularly to the direction of flow, and when it is in line with the pipe, the valve is open. When the disk is rotated 90 degrees, the valve is closed. Butterfly valves are often used because they are simple and can be opened or closed quickly.


How does a butterfly valve work?

A butterfly valve is a type of valve that uses a disk to control the flow of fluid or gas. The disk, shaped like a butterfly's wings, is positioned in the center of the valve body. When open, the disk allows fluid or gas to flow through the valve; when closed, it blocks off the passageway.


Butterfly valves are typically used to regulate flow in pipes and tubes. They can be opened or closed quickly and easily, making them ideal for controlling processes that require fluctuations in pressure or volume. Butterfly valves are also less likely than other types of valves to create turbulence as they close, which makes them safer for use in critical applications such as fuel lines and oil pipelines.


How does a butterfly valve work? When open, the wings on either side of the central shaft allow whatever media (gas/liquid) is passing through it unrestricted movement until it reaches your required point - e.g at 0% throttle opening on an engine - stopping everything dead despite how much fuel might be left in tank! At this stage instead you'll have 100% backpressure!! It saved my bacon more times than I care to remember on race engines where Choice A was full throttle blower boost


When is a butterfly valve used?

When a butterfly valve is used?

Butterfly valves are commonly used in many industrial applications. Some common applications include:

-Food and beverage production

-Pulp and paper processing

-Power generation

-Water and wastewater treatment

The two main types of butterfly valves are the wafer style valve and the lug style valve. The wafer style valve has a thin, flat body that fits between flanges on pipe ends. The lug style valve has lugs or tabs that protrude from the body to attach it to the flanges. Butterfly valves can be made from a variety of materials including cast iron, stainless steel, brass, bronze, or aluminum. They are available in sizes ranging from 1/2 inch to 72 inches in diameter.


Butterfly valves are often used as throttling devices because they provide tight shutoff when closed and have good flow characteristics when open. In some applications, they may also be used as check valves because they will automatically reseat if backflow occurs.


What are the benefits of using a butterfly valve?

Butterfly valves offer a number of benefits when compared to other types of valve designs. Some of the most notable advantages include:

Butterfly valves are more efficient than gate valves and ball valves. They can be used as either an on/off or throttling control device, making them versatile for many applications. Because they have a smaller body size and require less torque than gate valves, butterfly valves are ideal for use in restricted spaces. In addition, the disc shape of the butterfly valve allows it to pass significantly more flow per square inch than either a ball valve or globe valve. This makes it an excellent choice for high-volume fluid applications.

The construction of a butterfly valve also eliminates problems that can occur with other types ofvalves such as blowouts (gate) and sticking (ball). And because there is very little friction when the disk slides through the seat, Butterfly Valves experience almost no wear – resulting in extended service life

Finding the Best Industrial Valve Company in Houston Texas

Check out Anix’s line of products above and contact us today for more information!

Finding a good houston valve company is not always easy. Anix USA pride itself in having high quality products along with a superb support team to assist with every clients’ needs. This is because they offer both the best fittings and the most reliable valves that you will be able to find. If you have not heard about them and you are wondering whether they will be the right fit for you, read on for more about Anix.

Founded in 1988

One of the things you must know is that Anix was founded all the way back in 1988, which means to say that they have upheld the best standards to be one of the leading valve manufacturer up until today. They are a really reliable company and are actively looking for new stocking distributors; all you need is to contact them and ask them about it. They pride themselves in carrying a wide range of high quality valves.


Specialized team

They have specialized team that makes sure that the quality of the materials used and the products they produce will be top notch, ensuring that you will not have any problems whatsoever down the line. A customer support team is also available via email and phone to best support every customers’ business needs. Anix’s team is personable and would listen to you if you ever have any complaints or problems with their product. You want a company that wants to work it out with youif there are ever anything that you want to bring up to them. It is nice to have a company that you can work with and have great customer rapport and you can easily check this out with the reviews that the company has as well. If you want to find the best the best houston valve company, Anix is the right choice for you.



When you see their facilities, you will realize just why they are one of the leading out there and it is simply because you can be sure that they are going to let you experience only the best. They have advanced technology and their facilities are also top notch. You can be sure that they will have no problems in keeping the in line with industry standards and best practices. Additionally, clients will always be reassured that they are getting the best products possible. A solid quality assurance team is always on stand-by to check and perfect every single product that comes out of the facilities.

Picture for category Sanitary Valve


One of the important things that you ought to keep in mind is to make sure that they have the experience that you will want them to have. Having experience would mean that they have been in this industry for quite some time already and they know the ins and outs of it. It would mean that you should be able to make the most out of it and that you can fully rely on them. After all, a company would not make it for so long if they are incompetent. Thus, the one that has more experience is definitely the one that you should go for. This would mean that you should be able to enjoy them and make the most out of them in the process.


Competitive pricing

Having competitive pricing in today’s world is very important. Anix aims to prices its products in a reasonable manner to ensure that the clients can remain competitive as well within the industry. The best thing about working directly with a ball valve manufacturing company is that you’ll not only get high quality stuff but they’ll also be offered to you quite affordably. Feel free to get a quotation if you wish and it’ll be done as quickly as possible. In case you don’t know how to go about the latter, then how about you get a construction worker to help you out. Even better, you can consult with the houston valve company and have all your problems sorted out in a jiffy.



There are many reputable companies that you can get your ball valves from. But, there are a number of variables that sets them apart. One such variable is none other than the price. Thankfully, companies such as ANIX not only has the best prices but will make sure you get the exact ball valve that you want. They do this by stocking different kinds, which makes it easy for their esteemed clients to shop because everything happens to be under one roof.

Feel free to contact them at any given moment and you’ll do just fine. They do have extremely competitive customer care agents who will do just about everything to make sure you’ve been sorted each and every step of the way. You’ll also be presented with the choice of either visiting their store or even better, check them online, especially if there isn’t a single one of their many brunches near you.

Wholesale Stainless Steel High Pressure Valve - USA

If you are looking for a reliable valve wholesaler and supplier, please visit Anix's line of products here 

The system used to control or regulates the flow or pressure of liquids or gases is known as valve or high pressure valve. It’s operated by closing, opening or turning the handles fitted on it. Most commonly, this system is used in pipe fittings, where the fluid runs from higher pressure towards the lower.


Body and bonnet are the principle components of the valve which holds the liquid passing through it. The bonnet is called casing. This casing is usually made up of the bronze, brass, iron and alloys of steel.

The high pressure valves are utilized in power generation, oil and gas industry, mining, sewerage and in all these areas where pipe fittings are used. It’s a needed part of plumbing in the shape of hot and cold taps. Heavy valves are used in gas industry to manage the pressure of gas while tiny valves are fitted in cooker, dishwashers and different small domestic machines. Ports are fitted in it to manage the flow of liquid. Valves may have 2 until 20 ports. It’s linked with pipes.

High pressure valves are operated in quite a lot of ways, either manually, by a hand wheel, or with some lever. Automatic valves are commonly utilized in industry which is operated by the computers. Safety valves are important a part of boilers which might be operated by the change of strain or temperature of the fluid.

Types of Valves

Valves play very important function in Otto cycle engines where tappets or pushing rods drive these valves. Valves are available in nearly all sizes which vary from 0.1 mm till 2 ft, while some heavy valves could exceed their diameter greater than four or 5 meters.

Disposable valves are inexpensive while the specialized valves may cost in 1000’s of dollars according to their sizes. Disposable valves are mostly used in house hold utensils as water dispenser or in mini pump.

Duplex ball valve works with out pressure drop. It’s best for fast shut off as it shuts off at a turn of 900 while different valves require the multiple turns to shut off.

Hastelloy examine valve is utilized in oil and gas wellheads which raises or lowers a cylinder placed inside the other cylinder.

Stainless-steel gate valves are used for a smooth flow of fluid. These are also used to manage the liquid which carries solids in suspension.

Picture of ANIX Stainless Steel 2-Piece FIRE SAFE Full Port Ball Valve 2000 / 3000 WOG Threaded NPT

Competitive ball valve suppliers are providing high pressure valves, which are useful for the consumers. These suppliers specifically deal in ball valve, mechanical valve and high pressure valves. Some ball valve suppliers are dealing in floating valves, Tee ball valves, flexible and fixed ball valves as per choice of the customer. The ball valve provider additionally deals in ceramic disc valves used to perform high duty applications or for rough fluids. Its disc provides a leakage seat. The check valve inside it regulates the flow of water to run in a single direction only. Ball valve has a soft seat and it has less possibilities of leakage when it’s turn off while the hard seated valves as glob, gate or check valves have maximum durability.

When you have your water heater serviced, one thing the plumber may do is check the safety valve on the tank. This valve should always be operational so pressure can bleed off. This is a safety measure that keeps the tank from rupturing or exploding. You should also check the valve occasionally to make sure it's working and call a plumber to replace the valve when it's damaged or broken. Here are some things to know about the pressure valve on your hot water heater.


What Causes A Pressure Relief Valve To Go Bad

One common problem with these valves is they can become clogged with scale buildup and sediment from inside the tank. This might cause the valve to leak or clog off. Also, the valve may just wear down due to age, or a part might break when you're flipping the valve to test it. When the valve has trouble, you may notice it dripping water constantly. Water that gushes out is a serious sign of trouble with either the valve or the tank, and the tank should be shut down to relieve the pressure.

Another sign of valve trouble is when it makes a whistling noise. This means steam is escaping through the valve. When your tank has unusual noises coming from it, it's always good to call a plumber to check for problems such as increased pressure or sediment buildup.


How To Check The Pressure Valve

You may want to check the valve once or twice a year to make sure it's still working as it should. If you notice the valve dripping occasionally, it's probably doing its job of releasing pressure. Just check again the next day to see if the dripping has stopped. When you test the valve, move the lever back and forth to open and close it. When you open the valve, water should flow out the end of the attached pipe. If it doesn't, call a plumber to repair the valve because it might be clogged with corrosion.

Sometimes, when you open the valve to test it, sediment gets stuck in the valve and it won't shut back off. When this happens, you may need to call in a plumber if the dripping doesn't stop after you've moved the lever back and forth a few times.


How A Bad Valve Is Replaced

Replacing a bad valve involves turning off the power supply to the tank and letting some of the water drain out until the level is below the valve. The pipe attached to the valve is taken off, and sometimes it might be necessary to cut it off. Then, the valve is unscrewed, which can sometimes be difficult if it is frozen tight with sediment and corrosion buildup. With the old valve out of the way, a new one can be screwed in and a drain pipe attached. Finally, the new valve is tested for proper operation.

Sometimes, when a pressure relief valve acts up, it's not because something is wrong with the valve, but because of other problems with the plumbing or water heater. In that case, your plumber may need to make other repairs on your system to solve pressure problems in the tank.

Shaft collars- what are they used for and how you can use them

Shaft collars are a simple solutions for locating components, mechanical stops and bearing faces on a shaft. Only a few parts make this simple machine component. Robust and easy to install this component has found its use in many places. Over the years few different types where invented each one with a different best use case. Shaft collar are supposed to connect to a shaft with a non-permanent connection in other words so that they can move and their position be adjusted on a shaft.


Shaft collar types

Set screw shaft collars

There are several shaft collar types that are in use today. The first shaft collars where set screw type. As the one shown in the picture bellow. This type of collar uses a set screw to lock onto a shaft. By tightening it, a set screw digs into the shaft and deforms it a bit so that the collar does not slip. This connection works only when the material of the shaft is softer then the material of the screw. So for hardened shafts this is not a good option. Also this shaft collar should not be used with precision rods because of this material deformation that the connection creates. Another drawback of this material deformation is that in order to adjust the collar slightly you need to rotate a collar and make another deformation point on the shaft.

Besides these drawbacks it is a cheep and effective solution in many cases. This part is also standardized in many organizations in DIN it is DIN 705 and DIN 703 – a slight variation with two set screws.


One piece Clamp Style Shaft Collars

One piece Clamp style shaft collars are a great improvement over the set screw style. The connection between the shaft and the collar is made with friction. There is no screw tightening on a shaft so there is no shaft deformation. Tightening the screw on a clamp connects the collar to the shaft. Flexing of the collar takes up one part of the force from tightening a screw and a larger part is used to bind the collar onto a shaft. These collars have a higher holding power then the set screw type and are very easy to install.

Two piece Clamp Style Shaft Collars

Two piece collars are made out of two halves that are connected with bolts. The connection to the shaft is also with friction. These collars have a higher holding power than the one piece type. There are two reasons for this. One, the two piece collar has double the amount of screws the one piece has. This results in higher clamping force and greater friction between the collar and the shaft. Two, the part of the force is not used up to flex the clamp like in the one piece type. Two piece clamp shaft collars have another advantage over other types and that is that they do not have to be slit onto a shaft. You can separate the two pieces and then connected them on the desirable place. Sometimes when you have gears, sprockets and bearing mounted on a shaft this makes for a lot easier assembly. Sometimes these are the only types of shaft collars that can be assembled because of this. These collars frequently have one side ground perfectly perpendicular to the bore. This is face is used to seat up to a bearing.


Quick-Clamping Collars

Quick- Clamping collars are a variation of a one piece collar style. The principal of the connection is the same. The only difference is that instead of tightening a screw you can just use the lever to open and close the collar. This is a lot faster and does not require any tools. This is why it is used in application where adjustments of the collar are frequent, usually done by the machine operator.


Threaded collars

Threaded shaft collars are a type of shaft collars that have a thread on its inside diameter. These collars are made in one piece and two piece variations. These collars are used to limit mechanical movement of the components that are driven with a screw. The connection made between a threaded rod and shaft collar is not just a friction connection. There is an interference between the threads on the collar and the threads on the threaded rod. This makes for a very strong connection. The chances are that the threaded rod willbreak before the collar connection.


Uses for Shaft Collars

As mentioned, shaft collars are used for locating components, mechanical stops and bearing faces on a shaft. Here are some examples that might inspire your next project.

Sprockets, gears and other machine components on the shaft can be located with a shaft collar.

Bolt strength - how strong are fasteners and what does that mean

How strong are bolts?

Bolts are usually made out of different types of steel, but they can also be made from materials other then steel. The strength of every material differs and the choice of the bolt strength can be really important in your design.

To be honest in my designs I only use two bolt strengths or bolt grades. In the metric system they are 10.9 – for mating steel parts and 8.8 for mating aluminum parts, and here is why.

Never the less it is important to distinguish the bolt grades and to understand what they mean. This is a subject that has many resources. Rather than repeating something that you can read elsewhere I have collected some good resources for you here.

First to help you visualize the forces in the bolt watch this video:

In this video you can see how the forces that are acting on the bolt are spread out throughout the fastener. Also at 1:25 mark you can see how the bolt is deforming in assembled state. This compression state, that is on the part of the bolt between the materials that are mated, is producing a spring-like effect. So you can imagine that a bolt operates like a very tight spring. This spring is holding the material(s) in its compressed section. The friction between the bolt head and the material and the friction in between the tread of the bolt and the thread of the nut (threaded hole) are what keeps the bolt from un-tightening. There are a lot of more or less successful methods of securing the fastener from undoing. Those will be covered in another post.


Let’s understand the tensile bolt strength a bit better

So in these tests you can see how the elongation of the test rod changes with respect to the force acting on set rod. This curve that is drawn here in this test is different for every type of material. This is a standard test that determines what are the strengths of materials and there by the bolts.

So now that you are a bit more familiar with the strength of material and what forces are acting on the bolt I think that you will have a greater understanding of what are these numbers associated with the bolt strength

Thread Depth When Designing a Part

Thread depth

How much thread depth do I need?

How does thread depth influence the strengt of the connection?

When mating two parts with a screw, more often than not you will want to tap the threads in one of the mating parts. Tapping a thread in one of the parts instead of making a though hole and using a nut is preferable for many reasons. Sometimes it’s the only option. Thread depth is one of the consideration when designing a part.

When tapping a thread into the part you want to make sure that you have the enough thread length so that the screw is securely tighten. Required length of the thread is directly correlated with the standard pitch of the screw. This in turn depends on the size of the screw/hole.

Thread depth obviously needs to be larger than the depth of the bottom of the screw. Also the hole drilled for tapping the thread needs to be larger then the thread itself.


Thread depth, strength of connection

That’s all pretty obvious, but what are some standard dimensions that will get rid of the hassle of thinking about it?

First let’s consider the threaded connection a bit closer. In this picture you can see the interface that a screw makes with at threaded hole in a close up view. In this example the thread depth is not limited, it runs all the way though.

Threaded connection

If we imagine that a load (a force) is applied to pull the screw out of the threaded hole then we can conclude that this interaction between the outer thread dimension of the screw and the inner thread dimension of the hole is holding the screw put. We can simplify this even more with this example of a pulling a pin with a plug through a hole.

Peg connection

Now if we increase the force at some point the connection is going to brake right? It can break on the joint or somewhere else in the material. From this thought experiment we can derive that factors that have influence in the strength of this connection are the surface of the interface or the dimensions A and B and the strengths of the material of the pieces 1 and 2.

These are exactly the parameters that are included in the standard for the optimal thread depth and therefore all other dimensions that we have talked in the beginning. The parameters are the strength of the screw (Property class), the strength of the material with a threaded hole and the interface surface that depends on dimension of the screw and the type and pitch of the thread.