N Orifice Valves

Conventional Safety Relief Valve

Conventional Safety Relief Valve

Bellows Safety Relief Valve

Bellows Safety Relief Valve

Specifications

API Area: 4.34 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.
4 X 6 150 RF 150 RF 285 185 80 285 80 7.75 8.25 31.5 200
4 X 6 300 RF 150 RF 285 285 285 285 80 7.75 8.25 31.5 200
4 X 6 300 RF 150 RF 740 615 410 285 160 7.75 8.25 35.0 230
4 X 6 300 RF 150 RF 510 225 285 160 7.75 8.25 31.5 215
4 X 6 600 RF 150 RF 1000 1000 825 285 160 7.75 8.75 35.0 250
4 X 6 600 RF 150 RF 1000 445 285 160 7.75 8.75 35.0 250
4 X 6 900 RF 150 RF 1000 1000 670 285 160 7.75 8.75 35.0 270

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