D3/6/942X Soft Sealing Double Eccentric Flange Butterfly Valve
- Zero Leakage
- 24 months guarantee
- Diameter(DN): 100-1200
- Low Torque,long life cycle
- Rating :Material Will be Selected According to Services
1.According to GB/T12238- 89 ‘universal valve and butterfly valve flange connection standard of” clip.
2.The test in accordance with GB/T13927- -92 “universal valve pressure test standard”.
3.The lateral flange connection with GB/T9119 “flange” standard integral cast iron pipe. At the same time with BS4504, ISO20284, DIN2501, PN1.0Mpa, PN1.6Mpa standard flange connection.
Face to face dimension
1.GB12221-89 “flange connection metal valve structure length” in the 16 series of rules with short structure size.
2.GB12221-89 “flange connection metal valve structure length” in the 13 series of dimensions in accordance with long structure.
Bkvalve expert is at your service 24/7.