flange butterfly valve characteristic cv

Standard Test:

Body Test: 1.5 times the working pressure with water. This test is performed after flange butterfly valve characteristic cv 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