... 4.service life is long 2-3 times IHI DN150( 6") pipe fittings TypeSnap clamp, bolt clamp, screw clamp, wedge clampTechnicalForging, high ... forSchwing, PM, Kyokuto, Sany, Zoomlion,Ihi, NiigataSize4inch-6inch other sizes and types upon request1.We are a manufacturer of flange ...