The source discusses various pipe jointing methods, including rubber ring sockets, butt welding, and electro fusion couplers. It notes that Polyolefin (PO) pipes are commonly jointed by electrofusion couplers or butt welding. This contrasts with PVC connections which are typically made by a rubber seal joint, although PVC butt welding is also promoted for specific applications.
For CPVC (Chlorinated PVC), the source mentions that it finds widespread use in areas like the USA and India for Hot and Cold applications. A key advantage highlighted for CPVC is that it needs no barrier layer and its joints can be cemented. This suggests cement jointing is a common method for CPVC.
The discussion weighs jointing methods based on factors like reliability (dependent on skills and environment), ease of handling, and the need for special equipment. While electrofusion requires specific equipment and skills, cement jointing for CPVC is presented as a method that requires no barrier layer and is widely used.
FAQ Section
How are Polyolefin pipes typically jointed?
Polyolefin (PO) pipes are commonly jointed using electrofusion couplers or butt welding.
What is a common jointing method for CPVC pipes used in Hot and Cold applications?
For CPVC pipes, especially in applications in the USA and India, joints can be cemented, and no barrier layer is needed for the pipe.
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Patrick van Bezouw
