Product name:butterfly type check valve
Nominal diameter:DN 200-DN 1600 ( 8” – 64” )
Nominal pressure:PN 5-PN 25 ( 86Lb – 300Lb )
Design standard:API B594 BS5153
Structure length:API 609 / AWWA C504 / ISO 5752 / EN558-1 Series 13 & 14
Flange connection:ASME B16.5 B16.47 AWWA C207 ISO7005 / EN1092-1 EN1092-2
Product features
Double check valve, butterfly valve and two in one
Medium power to open, close the hammer
– hydraulic damper mechanism buffer off
– reduce traffic loss
– switching time
– two closing stages (90 degrees -15, 15 degrees -0).
– main material cast steel, stainless steel
– epoxy resin thermal spray or two layer liquid epoxy resin coating
– operation of hydraulic cylinder and hammer
Application
Water, sewage, sea water irrigation
Double check valve, butterfly valve and two in one
Medium power to open, close the hammer
– hydraulic damper mechanism buffer off
– reduce traffic loss
– switching time
– two closing stages (90 degrees -15, 15 degrees -0).
– main material cast steel, stainless steel
– epoxy resin thermal spray or two layer liquid epoxy resin coating
– operation of hydraulic cylinder and hammer
Application
Water, sewage, sea water irrigation