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G Orifice Valves

Specifications

API API Area: 0.503 Square Inches

Inlet flange can be supplied ring joint instead of raised face. Maximum A & B dimensions are +/- .0625

Conventional Safety Relief Valve
Conventional Safety Relief Valve
Bellows Safety Relief Valve
Bellows Safety Relief Valve

 

Valve Size Flange Conn.
ASA Standard		 Max Set Press.
PSIG		 Max. Back Press.
PSIG		 Valve Dimensions
100 450 800 1000 @ 100 F° Max. Wt.
Inlet Outlet F° F° F° F° Conv. Bellows A B C LBS.
1 1/2 X 2 1/2 150 RF 150 RF 285 185 80 – 285 230 4.88 4.75 20.75 46
1 1/2 X 2 1/2 300 RF 150 RF 285 285 285 – 285 230 4.88 4.75 20.75 50
1 1/2 X 2 1/2 300 RF 150 RF 740 615 410 – 285 230 4.88 6.0 20.75 55
1 1/2 X 2 1/2 300 RF 150 RF – – 510 225 285 230 4.88 6.0 20.75 55
1 1/2 X 2 1/2 600 RF 150 RF 1480 1235 825 – 285 230 4.88 6.0 20.75 55
1 1/2 X 2 1/2 600 RF 150 RF – – 1015 445 285 230 4.88 6.0 20.75 55
1 1/2 X 2 1/2 900 RF 300 RF 2220 1845 1235 – 740 470 4.88 6.0 21.75 67
1 1/2 X 2 1/2 900 RF 300 RF – – 1525 670 740 470 4.88 6.0 21.75 63
2 X 3 1500 RF 300 RF 3705 3080 2060 – 740 470 6.13 6.75 25.5 140
2 X 3 1500 RF 300 RF – – 2540 1115 740 470 6.13 6.75 25.5 140
2 X 3 2500 RF 300 RF 3705 3705 3430 – 740 470 6.13 6.75 25.5 155
2 X 3 2500 RF 300 RF – – 3705 1860 740 470 6.13 6.75 25.5 155