PPR Pipe Unions

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Frequently Asked Questions

Unions allow quick disassembly for maintenance, making them useful in accessible Saudi housing and commercial areas. Direct welded joints can be more watertight when properly executed. Use unions where future access or adjustment is needed, and confirm the fitting size and tightening torque to prevent leaks.
Yes, certified PPR unions can suit domestic hot water and heating lines in Saudi Arabia, including projects in Riyadh, Jeddah, or Dammam. Select fittings rated for your pressure and temperature, use approved sealant, and protect exposed joints from mechanical impact in warm climates.
Measure both the outer pipe diameter and the thread size, then match it exactly to the union. Use a clean sealing compound on the thread and tighten evenly without over-torquing. For Saudi residential or commercial work, a trained installer should also check flow direction and leave the required inspection access.
Leaks usually come from a mismatched size, damaged threads, dirty sealing surfaces, or uneven tightening. Inspect the fitting, clean the pipe, apply the correct seal, and pressure-test the line before closing walls. Choosing consistent Matkel PPR fittings and following Saudi project specifications helps reduce leak risk.
Coverage depends on the product, price, and store terms, but manufacturing defects are often covered when installed correctly. Keep your invoice, photos of the defect, and contact within the stated period. Matkel can replace eligible faulty items under its current replacement policy if installation conditions are met.
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