Ductile iron pipe laying, 2)

by:XEX     2021-03-20
6. 3 cast iron pipe laying 6. 3. One pipe installation in place before, should use measuring tool inspection section of the slope, and should meet the design requirements. 6. 3. 2 pipe or tube in place, the manufacturer of tag should be facing up. 6. 3. 3 installed pipeline suspension construction should be temporary sealing. 6. 3. 4 pipe maximum allowable borrow turn Angle and distance should not be greater than the table 6. 3. The rules of the four. Table 6. 3. 4 the maximal allowed to borrow turn Angle and distance nominal pipe diameter ( mm) 80 ~ 100150 ~ 200250 ~ 300350 ~ 600 plane turn Angle (borrow °) 32. 521. 5 vertical borrow turning Angle ( °) 1. 51. 2510. 75 plane borrow transfer distance ( mm) Vertical borrow transfer distance (310260210160 mm) 15013010080 note: the above applies to 6 m long specifications of the ductile iron pipes, using other specifications of the ductile iron pipes, can be performed according to the requirement of the product data sheet. 6. 3. 5 when 2 pieces of bent pipe connect the same Angle is adopted, borrow transfer distance shall comply with table 6. 3. The rules of the five. Table 6. 3. 5 turn bend borrow from nominal pipe diameter ( mm) Borrow high ( mm) 22 ° 90 ° to 45 ° 30 ° 15 ˊ ˊ 11 1 b words tube 805924051951242001005924051951242001507424652261242502009435242581622502509955252591623003001297585311162300400140070434320240050016048224182424006001855941478242 - — 70020571060539243 - — 6. 3. 6 when pipe laying, elbow, tee and fixed blind flange shall be masonry piers permanent. 6. 3. 7 temporary closure should be enough to support, in addition to setting side wall, the daughter of two times the closure pressure should be adopted roof support. Specific details can click on the company's official website: http://www. xexfoundry。 com/
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