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Weight per length in the table above are approximated values. Specification for UPVC (rigid) pipes for use in suction and. Class of pipe and pressure rating, d) Batch or lot number, and e) The word plumbing in the. PVC Product Range Muna Noor Manufacturing And Trading LLC. Sappco Dammam Factory, a limited liability commenced its first year of commercial activities as a plastic pipe producer in Eastern Province of Saudi Arabia in the early eighties.
The pressure rating of the pipes are as following: Class O (Non-Pressure). It is very cheap to manufacture many PVC and uPVC products, which is why they are so ubiquitous in a wide variety of affordable products. Class pvc pipe products are most popular in Domestic Market, Mid East, and Southeast Asia.
Associated with each SDR size is a class number, which is actually the working pressure for the pipe in pounds per square inch.





