L Orifice Valves

Conventional Safety Relief Valve

Conventional Safety Relief Valve

Bellows Safety Relief Valve

Bellows Safety Relief Valve

Specifications

API Area: 2.853 Square Inches

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 Conv. Bellows A B C LBS.
3 X 4 150 RF 150 RF 285 185 80 285 100 6.13 6.50 26.5 130
3 X 4 300 RF 150 RF 285 285 285 285 100 6.13 6.50 26.5 140
4 X 6 300 RF 150 RF 740 615 410 285 170 7.06 7.13 30.25 200
4 X 6 300 RF 150 RF 510 225 285 170 7.06 7.13 30.25 200
4 X 6 600 RF 150 RF 1000 1000 825 285 170 7.06 8.0 30.25 220
4 X 6 600 RF 150 RF 1000 445 285 170 7.06 8.0 30.25 220
4 X 6 900 RF 150 RF 1500 1500 1235 285 170 7.75 8.75 34.25 250
4 X 6 900 RF 150 RF 1500 670 285 170 7.75 8.75 34.25 250
4 X 6 1500 RF 150 RF 1500 1500 1115 285 170 7.75 8.75 34.25 270

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