2 The restraint required by 17.4. 5.4. 2 is needed to prevent accumulated vertical movement when the riser is pressurized. Restraint is generally provided by use of a riser clamp at the underside of a flood slab.

What are riser clamps used for?

Riser clamps are a two point load bearing component and are usually used for vertical running pipe lines wherein shear lugs are welded to the pipe, the riser clamp top surface contacts the shear lug, and the load is transferred through the legs of the clamps to the support component such as a rigid rod, spring, etc.

How do riser clamps work?

A Riser clamp is a type of hardware used by mechanical building trades for pipe support in vertical runs of piping (risers) at each floor level. The devices are placed around the pipe and integral fasteners are then tightened to clamp them onto the pipe.

What is a friction clamp used for?

The Universal Friction Clamp provides a safe and easy fixing method to secure scaffolding to any part of tubular steel jacket. It can be used for catwalks, platforms and access ladders for repair cleaning and painting. It is also safe to be constructed on offshore jackets.

How do you support a vertical cast iron pipe?

Exception: No-hub cast iron soil pipe shall be supported with a riser clamp located at each floor. When the distance between floors is greater than 10 feet, the vertical piping shall be supported every 10 feet using riser clamps where possible or rigid supports securely fastened to the building structure.

Riser Clamp

29 related questions found

Can PVC support cast iron stack?

The plumbing stack transitions from PVC in the crawlspace to cast iron which exits the roof. Just above where the plumbing stack transitions from PVC in the crawlspace to cast iron, there are two horizontal fittings for two sink drains.

What is the maximum spacing for horizontal supports for cast iron pipe?

The maximum horizontal spacing of cast-iron pipe hangers shall be increased to 10 feet where 10-foot lengths of pipe are installed.

What are beam clamps?

Beam Clamps or girder clamps are used to suspend or secure fixtures, wires, threaded rod and other hardware to beam flanges. They offer secure fixing without the need for welding and drilling, as well as clamps suitable for use on pitched beams.

What is a clevis hanger used for?

Clevis hangers are pipe supports that are designed to secure hanging or elevated pipe runs. If you need to suspend piping from elevated beams or the ceiling, clevis hangers are a lifesaver. Generally, clevis hangers include a yoke that connects to your support overhead.

What is a friction beam clamp?

Beam Clamp is an engineered connection that connects I-beams without welding or drilling.

How do you support vertical pipes?

Here are a few types of vertical pipe supports:

1. Clamps and Straps: Clamps and straps can cut down vertical movement and dampen vibrations. ...
2. Hangers: Most pipe hangers allow pipes to swing laterally but stop vertical movement. ...
3. U-Bolts: Standard U-bolts are designed to hold pipes against a support structure.

What is a gas line riser?

Natural gas risers are used to bring buried natural gas piping above ground to allow access to the gas flowing through the piping system. ... This valve is typically located just before a natural gas regulator and/or natural gas meter of some kind.

What is loop hanger?

A loop hanger is a pipe accessory that loops around a pipe in order to support it. Loop hangers are similar to clevis hangers, split ring hangers, and clamp hangers, which are all examples of pipe hangers, but there are qualities that help to set loop hangers apart from the rest.

What is trapeze hanger?

The trapeze hanger is a classic example of a strut-based pipe hanging solution. Typically constructed using 41×41 strut and lengths of threaded rod, these supports can be suspended from ceilings or steel beams to provide support for pipes and cable trays.

What is the difference between a clevis and a shackle?

Shackles and clevises are U-shaped mechanical couplers closed by a pin or bolt. ... Shackles are primarily used in construction, rigging and lifting. A clevis is used in less demanding applications such as farming and towing.

Can beam clamps be used for lifting?

These beam clamps are used to vertically lift and transfer angle iron and loads that have only a small gripping area available. They can also be used in vertical and horizontal moving, transferring, and stacking of H-beams, angles, and other structural designs. Choose between 3/4 ton or 1-1/2 ton working load limits.

How are beam clamps intended to be used?

NOTE: Beam clamps are generally intended for attachment to overhead beams to act as suspension points for lifting appliances. Some designs are suitable for attachment to the load to provide a lifting point.

What is a flange clamp?

Flange clamps are used for providing the holding power to the 4-bolt flange connection. ... The captive flange clamps are offered with either drilled or tapped bolt holes. The captive flange clamps with tapped holes are used to connect tubes and/or hoses together.

How far apart should pipe hangers be?

Common practice is to install suitable hangers within two feet (2 ft) of each side of a pipe joint; changes in direction should be supported as close as possible to the fitting to reduce tensional stress.

How often should pipe be supported?

Most plumbing codes and building codes require support for horizontal pipe lines every 3 feet for pipe in 1/2”-1” diameters, and every 4 feet for pipe with diameters greater than 1”. Support spacing should be in accordance with applicable plumbing and building codes.

Will 3 PVC fit inside 4 cast iron?

Re: pvc pipe inside old cast iron DWV? If the old timmer is talking about replacing all the the old 4" cast iron above ground with 3" PVC and then sleeving the 4" cast iron underground using an approved transition fitting at the point where the cast iron meets the PVC, then yes it's permitted.

Should I replace cast iron vent stack?

“Replacing an old cast iron stack is important to avoid future leaks, backups and clogs from old worn down existing plumbing.” Ken explains.