Stainless Steel Dual Plate Check Valve

Size Range: 2~24"(DN50~DN600)

Pressure: PN10, PN16, Class125

Body Materials: SS304,SS316

Seat Materials: NBR, EPDM

Disc Materials: CF8,CF8M

Stem Materials: SS416, SS304, SS316


Adoptive Standards

Stainless steel Dual plate check valve:
Valve Design: API 609
Pressure Test: API 598
Flange end: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16


Standard Test

Stainless steel Dual plate check valve test:
Body test1.5 times the working pressure with water. This test is performed after valve 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 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.


50 102 65 45
65 120 80 48
80 133 94 65
100 157 117 66
125 188 145 73
150 215 170 80
200 273 224 90
250 330 265 115
300 375 310 116
350 435 360 130
400 450 410 140
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