L Orifice Valves

Specifications

API API Area: 2.853 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 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