Resilient gate valve
Design and manufacture: BS5163, DIN3352
Face-to-face-dimension: GB/T12221, DIN3202, BS2080, JIS B2002,
Flange connection dimension: GB4216, GB/T 17241, GB/T 9113, ISO7005, DIN2501
Inspection and test: GB/13927, API598
Main material: Cast iron, Ductile cast iron, Carbon steel