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Splice cast iron pipe with compression coupling full#
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Torsional Stiffness Steel Pipe Coupling.

The factors to be considered are as follows: It is not necessary that all couplings will have all the features. There is a long list of evaluation factors that affect the type of coupling best suited for an application. Some of the materials used for making couplings are: Pipe couplings are made of various materials and the buyers should always consider the material used for making them.

There is the right angular transmission of angular motion and torque.

There is a great degree of torsional stiffness.

Couplings operate in a quiet and smooth way.

Couplings compensate for axial, lateral, and angular shaft misalignment.

Pipe Couplings come in all standard pipe sizes and are available for almost all types of pipe.

Transition cement – is used for the connection of ABS to PVC pipe, it is not used to replace the proper solvent cement for like material joints.Some important features of pipe couplings are as follows: The flexible rubber adapter is called a “donut” and will be very difficult to fit into the bell, I find a hammer and lots of plumber’s grease works well.

The are only permitted in accessible areas and will usually create a water tight seal with only hand tightening.ĪBS to Cast Iron soil pipe adapter – using the fittings shown to the left, an ABS pipe could be connected to the bell end of a Cast Iron soil pipe. Slip-joint Adapters – are used for connecting to the tail piece of fixture outlet pipes. Mechanical fittings, often referred to by the brand name “ Fernco“, are available for transitioning ABS to copper, galvanized, cast iron, clay and most other pipe materials you may encounter.

When renovating or repairing a drainage system it is often necessary to join ABS to other piping materials, this is easily accomplished with a variety of transition fittings, as seen below:

Splice cast iron pipe with compression coupling full#

Never over tighten the joint as the fittings are prone to cracking, a good rule of thumb is one full turn past hand tight.

Never use any petroleum based thread sealant compounds (such as pipe dope) as it will deteriorate the pipe, use only Teflon tape or other ABS approved thread sealants.

Threaded ABS JointsĪlthough schedule 40 ABS pipe is not permitted to be threaded by using taps or dies, there are both male and female threaded adapter fittings that may be used to connect to other piping systems or to provide a cleanout access.

Always allow at least 30 minutes and up to 24 hours depending on the ambient temperature and relative humidity, for the for the joint to set before testing it.

Insert the pipe completely to the bottom of the fitting’s socket and give it a quarter turn, holding the joint securely for several seconds, and let go.

This time frame will be reduced in hot dry weather Once the glue is placed on the ABS, a completed joint should be made within 30 seconds or the solvent will begin to set.For example: on the end of the pipe and inside the fitting hub (for drying reasons, applying cement to the inside of the fitting hub first is considered proper plumbing practices) Always apply glue (cement) to both surfaces.

Splice cast iron pipe with compression coupling free#

The surface of the ABS where glue is to be applied must be free of water, dirt, oil and identification stickers.Always ensure the pipe is cut squarely and deburred so that maximum penetration into the fitting is achieved.Once coupled together, it will create a joint that is actually stronger than the pipe itself. When the solvent cement is applied to the pipe and fittings, it quickly begins to soften and dissolve the plastic surface. The use of an approved solvent cement (glue) is the primary method for joining ABS pipe and fittings and does not require the use of a primer. ABS is used solely for drainage, waste and vent (DWV) in plumbing systems and is not used in pressurized applications.

Acrylonitrile butadiene styrene, better known as “ABS”, is a very installation friendly piping system that requires little time or special tools for cutting and joining ABS in order to make a water/air tight joint.