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Flexible cast iron drainage pipe quality standards

by:XEX     2021-02-22
1 flexible cast iron drainage pipe quality standards. Bracket or elevator: the pipe support and elevator should be fixed on the bearing structure. Scaffolds should be solid and reliable, reasonable spacing. Pipe installation in accordance with the building water supply and drainage and heating engineering construction quality acceptance specification '( GB50242 - 2002). Requirements. 2. Check mouth direction and position requirements: check mouth requirements towards easy maintenance, inspection door center height above the ground is usually 1 m, allowable deviation of plus or minus 20 mm. 3. Pipeline location: pipe installation location is correct, easy to pipeline connection, pipe position deviation is 15 mm, allowed pipeline to jilt elevation allowable deviation plus or minus 15 mm. 4. Riser vertical degree requirements: verticality deviation is not more than 3 mm, per meter length more than 5 m, verticality deviation is not more than 15 mm. 5. W type flexible interface drainage cast-iron pipe clamp of stainless steel construction: stainless steel band should be in contact with the rubber ring is good, and the bolt of the stainless steel clamp force should be homogeneous, elastic moderate, waterproofing bolts too loose, too tight or tripping. 6. W type flexible interface drainage cast iron pipe, rubber ring gap should be 6 mm or less. Type A flexible interface drainage cast iron pipe, gland should be closely contact with aprons.
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