Section B Steel & Stainless Steel Safety Relief Valves Manufactured in accordance with ASME Code Section VIII NBBI capacity certified for Air/Gas Dependable "Ball & Seat" design Pressures to 12,500 psi 1/4" to 1" inlet size

Section B

 

INLET OUTLET SIZES 1/4" X 3/4" to 1" X 1" NPT ORIFICE SIZES (dia): 1/4", 3/8", 9/16", 1/2" SOFT SEAT OPTIONS Viton (R), Neoprene, EPDM, Nitrile Viton (R) is a registered trademark of DuPont Dow Elastomers MAXIMUM SET PRESSURE 12,500 PSI SERVICE APPLICATION: ASME VIII (UV) AIR & GAS 3/8", 1/2" & 9/16 orifices NBBI CAPACITY CERTIFICATION 3/8", 1/2" & 9/16" orifices (Air & Gas) NON-CODE AIR, GAS & LIQUID All Models

MATERIALS OF CONSTRUCTION BODY: WCB & CF8M INTERNALS 320SS, 316SS SPRING 302SS, 316SS, Inconel TYPICAL APPLICATIONS: Overpressure protection for pumps and compressors, thermal relief, fuel systems, NACE service, etc. CANADIAN REGISTRATION NUMBER 0G0736.2C

RELIEVING CAPACITIES AT SELECTED PRESSURES

(at 10% over pressure)

SET PRESSURE (PSI)	1/4" ORIFICE (gpm)	3/8" ORIFICE (scfm)	3/8" ORIFICE (gpm)	1/2" ORIFICE (scfm)	1/2" ORIFICE (gpm)	9/16" ORIFICE (scfm)	9/16" ORIFICE (gpm)
125	2	103	3	169	11	175	17
700	5	533	9	871	28	902	41
1500	8	1132	13	1848	41	1914	60
2000	10	1506	15	2458	47	2547	70
3000	12	2254	19			3812	85
For detailed product specifications, request product sheet B.

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