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A structural pipe fitting, also known as a slip on pipe fitting, clamp or pipe clamp is used to build structures such as handrails, guardrails, and other types of pipe or tubular structure. They can also be used to build furniture and theatrical riggings. The fittings slip on the pipe and are usually locked down with a set screw.
An advantage of this type of fitting is that the pipe it is connecting to does not need to be cut to a precise length; the slip joint can attach within a range of the end of the inserting pipe. Many slip fittings may be tightened or loosened by hand for easier access to residential drainpipe systems (for example, to clean out a trap or access a ...
However, slippage of a slip-critical connection in columns may lead to column instability. Slippage of a slip critical joint in a roof truss could result in unintended ponding effects. The faying surfaces of slip-critical connections must be properly prepared in order to maximize friction forces between the surfaces joined.
Slip joints are sometimes found in tubular structures such as piping but are generally avoided for this application due to requirements for sealing against leakage, instead of using either a large loop that is allowed to flex or a semi-rigid bellow. Slip joints are used when the main problem is a large axial movement. [1]
There was a reusable fitting that could be unscrewed and a slimmer single-use fitting which could not. A new grab washer was required each time if a joint was reused. The fittings were designed for use with polybutylene pipe, while stainless steel pipe inserts were used for internal support. Hepworth was acquired by Wavin in 2005. [1]
EN 877:1999/A1:2006/AC:2008 – Cast iron pipes and fittings, their joints and accessories for the evacuation of water from buildings – Requirements, test methods and quality assurance EN 598:2007+A1:2009 – Ductile iron pipes, fittings, accessories and their joints for sewerage applications – Requirements and test methods
To obtain functional joints, the inside of the fitting and the outside of the copper pipe are cleaned using steel wool or cleaning tape, flux paste is applied, the pipe is inserted into the fitting and heat is applied from a portable butane torch or propane torch until a ring of solder shows at the edges of the fitting.
A pipe support or pipe hanger is a designed element that transfer the load from a pipe to the supporting structures. The load includes the weight of the pipe proper, the content that the pipe carries, all the pipe fittings attached to pipe, and the pipe covering such as insulation. The four main functions of a pipe support are to anchor, guide ...