Section D - High Capacity Safety Relief Valves
  • Manufactured in accordance with ASME Code Section VIII
• NBBI capacity certified for Air/Gas & Liquid
• Soft seat seal
• Pressures to 3,500 psi
• 3/4" to 2 " NPT inlet sizes

INLET OUTLET SIZES
3/4" X 11/2 " to 2 " X 2 " NPT
ORIFICE SIZES (dia):
5/8", 1"
SOFT SEAT OPTIONS

Viton (R), Neoprene, EPDM, Nitrile, Kalrez (R),
Teflon, Urethane, Aflas
Viton (R) and Kalrez (R) are registered trademarks of DuPont Dow Elastomers
MAXIMUM SET PRESSURE

3,500 PSI
SERVICE APPLICATION:

ASME VIII (UV) AIR & GAS

All Models
NBBI CAPACITY CERTIFICATION

All Models (Air, Gas & Liquid)
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, NACE service, etc.
  RELIEVING CAPACITIES AT SELECTED PRESSURES (at 10% over pressure)
SET PRESSURE. (psi) 5/8" ORIFICE (scfm)  5/8" ORIFICE (gpm)  1" ORIFICE (scfm)  1" ORIFICE (gpm) 
100 609 89 1574 274
750 4098 244 10597 752
1500 8124 344 21008 1063
2000 10808 398 27950 1227
3500 18860 526