Butterfly Valves
Flanged Connection Central Line Butterfly Valve
Product Introduction: Flanged connection central line butterfly valve is our newest patent product. Possessing some virtue of eccentric flanged butterfly valve and wafer central line butterfly valve. Filling up the blank between eccentric flanged butterfly valve and wafer central line butterfly valve.
Design Standard: GB12238; AWWA C504
Body Flange Drilling: DIN 2501; ANSI 125/150;BS 4504; GB 17241.6
Top Flange: ISO 5211
Face to Face: ISO 5752; AWWA C504; GB12221
Test Inspection standard: API 598; GB13927