China Supplier Worm Gear Operated Flange Butterfly Valve Dimensions

Standard Test:

Body Test: 1.5 times the working pressure with water. This test is performed after China Supplier Worm Gear Operated Flange Butterfly Valve Dimensions assembly and with disc in half position open, it is called as a body hydro test.
Seat Test: 1.1 times the working pressure with water.
Function / Operation Test: At the time of final inspection, each Lever operated flange butterfly valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
Special Test: On request, any other test can be carried out according to special instruction by client.

Adoptive Standards:

Valve Design: API 609, MSS SP-67
Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
Pressure Test: API 598
Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
Top Flange: ISO5211

Machine Parts

Name: BODY

Brand: BUNDOR

Original: Tianjin

Material: Cast Iron, Ductile Iron, WCB , Stainless Steel

Type:Lug,Wafer,Flange

Name: Disc
Brand: BUNDOR
Original: Tianjin
Material:Ductile Iron, WCB, CF8,CF8M, Al-bronze C958

Type:With-pin, One stem no-pin, Double stem no-pin

Machine Parts

Name: Stem
Brand: BUNDOR
Original: Tianjin
Material:SS416, SS304, SS316,45#

Name: Seat
Brand: BUNDOR
Original: Tianjin
Material:NBR, EPDM, VITON,PTFE