Standard: GB12232
Nominal pressure: PN1.0 、 1.6Mpa
Nominal diameter: DN50 -500mm
Leakage rate: GB/T13927 Class A
Flange dimension: GB4216.4 、 GB12380.2 、 ISO7005-2 、 BS4504 、 JIS B 2602
Materials: gray cast iron, ductile iron; Coated rubber: Buna-N or EPDN
Operating mode: manual 、 electric
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