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Types of Pipe Hangers & Clamps & Hardware & Pipe Saddles

Dannenbaum LLC supplies Pipe Hangers & Clamps & Hardware. We have extensive knowledge of pipe support components, including pipe clamps, clevis hangers, beam attachments, cold shoes, and other hardware.

As a result, we can custom design and build special supports. For example, our experts will analyze the condition and custom design pipe hangers and clamps to resolve special issues.

For example, we can design constants, variables, U-bolts, pipe clamps and risers, pipe saddles, coverings, rod hangers assemblies, hardware, clevis hangers, beam attachments, and wall mounts. 


U-bolts are versatile fasteners used to secure pipes, conduits, cables, and machinery, or U with screw threads on both ends. They have primarily been used to support pipework, lines through which fluids and gasses pass.

As such, U-bolts used to be measured using pipework engineering talk. For example, a U-bolt would be described by the size of pipe it was supporting. Also, U-bolts hold ropes together.

In reality, the 40 nominal bore part bears little resemblance to the size and dimensions of the U-bolt. This is because the nominal bore of a pipe is a measurement of the inside diameter of the line.

Engineers are interested in this because they design a tube by the amount of fluid/gas it can transport. However, as a wider audience now uses U-bolts to clamp any tubing/round bar, a more convenient measurement system should be used.

Four elements uniquely define any U-bolt:

  1. Material type (for example, bright zinc-plated mild steel)
  2. Thread dimensions (for example, M12 * 50 mm)
  3. Inside diameter (for example, 50 mm – the distance between the legs)
  4. Inside height (for example, 120 mm)

Pipe Clamp

A pipe clamp is a bolted pipe attachment that clamps around the pipe to connect the line to the remainder of a pipe hanger assembly. A pipe clamp uses clamp heads produced commercially by numerous manufacturers in woodwork.

They are available in various diameter sizes, commonly ½” or ¾,” suited to the same diameter piping. We provide a threaded pipe. One head is fixed on the pipeline by spinning it onto standard pipe threads.

This head includes the screw mechanism for tightening the clamp. The other, movable head slides onto the other end of the pipe. In addition, this head has an instrument, often a series of movable “clutches” which allow it to slide along the line when setting up the clamping operation but which lock onto the pipe when clamping pressure is applied.

Pipe clamps serve a similar purpose to bar clamps. Still, they are generally less expensive to purchase and have a versatility derived from using various pipe lengths to suit one’s needs. A pipe seal may be needed on the same pipeline as the pipe clamp.

For example, the same clamp heads might be switched over from a two-foot length of line to a twelve-foot length as the project at hand dictates. Having threads at both ends of the pipe also allows pipe couplings, joining two pipe lengths to extend the clamp’s length.

A pipe clamp is a bottled attachment that clamps around the line in piping. The clamps can be manufactured with black or galvanized finishes.

Clevis Hanger

A clevis hanger is a pipe attachment providing vertical adjustment, consisting of a clevis-type top bolted to a formed steel bottom strap. A clevis fastener is a three-piece fastener system consisting of a clevis, clevis pin, and tang.

We recommend clevis hangers to suspend non-insulated or insulated, stationary pipelines. A clevis is U shaped or forked metal connector connected or fastened by a bolt or pin passing through the end of the connector. For example, clevis can attach two items, one with a ring 0.2 that would fit in the U and had a hole for the pin.

Clevis hangers can also be known as ancillary equipment. These components include beam attachments, hanger rods, turnbuckles, clevises, eye nuts, and pipe clamps.

Hanger rods and fittings are available in thread sizes ranging from multiple dimensions.

We provide pipe clamps in both two and three-bolt configurations from various materials. A clevis hanger is pipe support to hang pipe and steady weight and gravitational forces.

Although a clevis hanger is pipe support, it is just one of the components in a piping system that handles the piping system’s weights and movement. However, we use the pipe clevis more than any other type of hanger.

A pipe clevis handles are the sustained or steady loads such as the internal fluid pressure, external pressure, and pipe weight due to the gravity forces.

Even though a clevis hanger helps non-insulated pipe, there are many exceptions where the pipeline is insulated. This is seen in the LNG plants, where you may protect the pipeline with polyurethane foam, synthetic wood, or gel.

On these occasions, we can design a unique hanger. Applications could include cold shoes, hot shoes, pipe anchors, pipe guides, risers, and HVAC. 

Service would include steam, gas, air, water. There are many more requirements for clevis hangers in HVAC and commercial applications. Every commercial building, apartment, and even commercial parking garage could have thousands of pipe clevises and pipe supports.

There are four significant types of pipe clevis.

1) Adjustable clevis hanger.

2) Clevis hanger for insulated lines.

3) Roller hangers.

4) Trapeze roller hanger.

The adjustable clevis hanger is most common. A clevis hanger can be as small as ½” or larger than 36” s. The material is typically carbon steel. 

The finish can be black or galvanized. A special coating is available in the market.

The adjustable clevis hanger helps for the suspension of non-insulated, stationary pipelines. 

This is U-bolt design has a yoke on the outside of a lower U-strap.

Components include a top collar, bottom strap, and bolt or stud with nut assembled. You can adjust the height with nuts. 

The clevis hanger for insulated lines has been lengthened to allow for room for the insulated pipe. The most common material for this type of clevis hanger is carbon steel. However, another material is available for special services.

Roller hangers can be a type of clevis hanger. This service is for pipe suspension from a single rod where horizontal movement may occur because of expansion or contraction. 

A roller is on the base of the clevis and allows the pipe to move where there may be horizontal movement because of expansion or contraction. The roller trapeze is for pipeline suspension from two rods where longitudinal direction may occur due to expansion or contraction. These types of clevis Hangers are also adjustable for vertical movement. 

Pipe supports and Pipe Clevis hangers have been instrumental in supporting piping systems for thousands of years. However, the ancient Egyptians created one of the oldest known plumbing systems around 4000 – 2500 B.C.

Since their lives depended on the ebb and flow of the Nile River, Egyptian engineers created and used a very intricate piping system to keep the water flowing where it needed to go.

You can find the most impressive of old plumbing systems in ancient Rome. We admired the Roman Empire for hundreds of years due to its engineering ability, and you can see that in its sewer system.

The first Roman sewer system was called the Cloaca Maxima and was built in the sixth century B.C. What started as an open channel was eventually closed and vaulted. The Cloaca Maxima is the oldest plumbing system still in use today, and amazingly some of the original masonry work is still holding together.

The Romans also created aqueducts, adding a new level of ingenuity to the oldest known plumbing systems. Aqueducts transported water from the mountains above the cities to public bathhouses and fountains.

The water used there was then drained to the Cloaca Maxima. This created a constant supply of running water that helped clear the waste and other obstacles from the sewer. 

People made clevis hangers out of hemp rope and leather, and even cooper. We learned from the oldest plumbing systems, especially the Romans, which helped shape our modern-day plumbing systems.

The remnants of these ancient plumbing systems have been copied and are still being used. Even older systems used clevis hangers. The ancient Egyptians created one of the oldest known plumbing systems around 4000 – 2500 B.C.

Since their lives depended on the ebb and flow of the Nile River, Egyptian engineers created and used a very intricate piping system to keep the water flowing where it needed to go. These pipes were initially made from clay and were later upgraded to copper.

They created this sophisticated system to help move water from the Nile to help people water their crops and even provide their homes with running water.

These systems were discovered in the excavations of ancient tombs, as the Pharaohs’ burial chambers were built complete with draining bathtubs and other lifestyle necessities for the afterlife.

Plumbing wasn’t unique to Egypt at this point in history, however, since some of the first water pipes were discovered from around 4000 B.C. in the Indus River Valley in India. They may not be an actual Clevis hanger, but they were the U-shaped component for attaching a drawbar to a plow or similar implement.

The actual clevis was patented in 1897, dated January 11, 1897. Patent No. 355,980. The following is from Franks S. Dimon, of Fort Scott, Kansas, Clevis Hanger patent. To all whom it may concern: Be it known that I, FRANK. S. DIMON, a citizen of the United States, residing at Fort Scott, in the county of Bourbon and State of Kansas, has invented specific new and useful Improvements in Clevises.

Therefore, I do at this moment declare the following to be a complete, precise, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

This invention relates to clevises, and particularly to that class which is provided with a locking device for the clevis-pin to keep it from dropping or working out, and the object of the invention is to provide a clevis with a locking device which shall be easy to use and confident in its operation.

The invention consists in the improved locking clevis-pin, as from now on fully described and claimed, the essential features of which are a pin having a fixed lug at the bottom and a movable spring-pressed lug at the top, the two being on opposite sides of the pin, the head of the pin being made in two parts, one part fixed to the pin. At the same time, the other is an extension of the movable lug, using which the lug can be retracted. In the accompanying drawings,

On the outside of the practice is formed a thumbpiece, g, for convenience in operating the device. To insert the pin, it is dropped through the hole a, the lug G passing through the W-shaped side of the opening, and then through hole an until the lug G strikes the clevis, when, by pushing on the head, the bottom lug, G, will pass through the hole a, the movable part of the head carrying the lug G yielding through the spring.

Then, by turning the clevis pin halfway round, the lug G will come in line with the V-shaped side of the hole and will drop into it and be beheld there by the spring, thus locking the pin so that You cannot turn it until the lug G’ is retracted by hand, the lug G preventing the pin from being withdrawn until the pin is turned half round.

To remove the pin, the lug G’ is withdrawn using the thumb-piece g, and the clevis pin is turned half round when You can pull it out. Having thus described my invention, what I claim as new, and desire to secure by Letters Patent is

1. The combination, with a clevis having holes at the end thereof for a clevis-pin, of a pin having a lug at the bottom adapted to pass through the holes of the clevis and to engage with the clevis when the pin is turned so that the plug cannot be withdrawn, and spring pressed movable lug at the head of the pin adapted to fit into the upper hole of the clevis by the side of the pin to prevent the pin from being turned, Substantially as and for the purpose set forth

2. The combination, with a clevis having holes and Co. The head C is formed, as the holes a and a’, of the clevis-pin.

The Clevis Hanger is an integral part of the pipe support system. Since the ancient civilizations. To the turn of the century and the 21 century. Clevis hangers may be simple and small, but they are the key to the piping and pipe supports.

Without the pipe clevis. Would pipe be lying on the ground? Would civilization move forward without sewers and water transportation? 

Are clevis hangers more important than transistors, electricity, or antibiotics? Probably not. However, would these other important discoveries have happened without the Clevis Pipe Hanger? Of course, the Clevis Pipe Hangers is not as exciting. But we owe a lot to this tiny little pipe support. 

Pipe Saddle

Pipe saddles can be an intricate part of the pipe support and piping system. Pipe saddles are defined as a structure consisting of a saddle and integral base used to support the pipe by transmitting the load or forces to the items having the same vortex or adjoining system. 

Pipe saddles protect pipes and pipe insulation from damage. Pipe saddles come in sizes from 4” to over 36”. 

The material is usually carbon steel. However, special alloys like stainless steel are not uncommon. In addition, some configurations of pipe saddles allow them to be adjusted to compensate for pipe and insulation.

Applications include stanchion support, insulation protection, keeping heat and cold losses to a minimum, support of piping that may expand due to temperature variation, and vertical support. In addition, pipe saddles are used for cryogenic services and extreme heat applications.

USA inventor James G Hayden applied for patented the pipe saddle in 1912. However, it took four years for the pipe saddle to be approved in 1916. The following is an actual excerpt from Mr. Hayden’s patent.

“To all whom it may concern Be it known that I. Jams G. HAYDEN, a citizen of the United States, and a resident of New Lexington. In the county of Perry and the State of Ohio, have invented a new and Improved Pipe-Saddle.

The following 1s a complete, precise, and exact description. My invention relates to a new and improved pipe saddle adapted for pipes of different diameters.

In the pipe saddle now in use, the saddles are made for different sized pipes having a gasket of uniform thickness,

which gasket necessarily cannot make a tight joint when the pipelines are variable in size?

My invention aims to eliminate the objections inherent to the old form of saddles and provide a tight connection. Irrespective of the size of the pipe. Or the inequalities of the surface of the same.

I attain the above-outlined object by constructing a saddle having a recessed pocket. Disposed within which bag is a gasket concentrically disposed relative to the open ng in the pipe. said gasket adapted to be brought into firm engagement with the pipeline by straps straddling the pipeline.” Unfortunately, as in all patients, the pipe saddle patent expired in 20 years.

Today pipe saddles are manufactured in almost every industrialized country. They are used in every primary industry. You can find pipe Saddles in commercial buildings, the power industry, oil and gas, ships, and LNG plants. Piping components are the veins that keep energy and water running through the heart of our globe. Pipe supports such as springs, clevis, constants, and variables are needed to make energy. The pipe saddle is what strengthens the whole system.