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Grooved pipe fittings
Executive standard: GB5135.11-2006 connection mode: groove connection specification: DN50-300mm rated working pressure: 1.2MPa, 1.6MPa, 2.5MPa material: QT450-12 tensile strength: ≥ 450MPa elongation: ≥ 12%
Groove reducing diameter threaded pipe ancient
Executive standard: GB5135.11-2006 connection mode: groove connection specification: DN50-300mm rated working pressure: 1.2MPa, 1.6MPa, 2.5MPa material: QT450-12 tensile strength: ≥ 450MPa elongation: ≥ 12%
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