Non-Code Safety Valves

Features:
  • Compact and high temperature
  • All brass construction with stainless steel spring and ball
  • Available set pressure range 50-350 PSI (345-2410 kPa)
  • 175°C max temperature
SP25:
Dimensions 54 (H) x 17.5mm (Hex)
Weight 85g
Set PressureConnectionModel NoRBS Part No
50-350 PSI1/8” NPTNA12On Request
40 PSI1/4” NPTNA254010520
50-350 PSI3/8” NPTNA38On Request
Features
  • Designed for high capacity and can be ordered as field adjustable units
  • All brass construction with zinc-plated piano wire spring
  • Resilient silicone rubber seal
  • Valves can be unset / factory set and locked with lock nut / factory set and staked (to deter field adjustment)
  • Available set pressure range 40-250 PSI (275-1725 kPa)
  • 120°C max temperature
NF50:
Dimensions:86 (H) x 22.2mm (Hex)
Weight:170g
Set PressureConnectionRBS Part No
401/2” BSPT4010510
Unset1/2” BSPT4014900
Features
  • Designed for applications where compact size is required and high flow capacities are not required
  • All brass construction with stainless steel spring and silicone rubber seal
  • Resilient pad insures valve is bubble tight to within 10% of set pressure
  • Available set pressure range 25-250 PSI (170-1725 kPa)
  • 120°C max temperature
Dimensions:38 (H) x 14.3mm (Hex)
Weight:28g
Set PressureConnectionModelRBS Part No
60 PSI1/8" NPTNP124010512
25-250PSI1/4" NPTNP25On Request
Features
  • Compact with high flow rates
  • All brass construction with stainless steel spring and silicone rubber seal
  • Resilient pad insures valve is bubble tight to within 10% of set pressure
  • Available set pressure range 25-350 PSI (170-2413 kPa)
  • 120°C max temperature
Dimensions:50.5 (H) x 17.5mm (Hex)
Weight:42g
Set PressureConnectionModelRBS Part No
Unset1/4" BSPTNT254012500
Features
  • An economical solution for high capacity applications
  • All brass construction with stainless steel springs
  • O-ring seal available (silicone or fluorocarbon)
  • Available set pressure range 25-300 PSI (170-2068 kPa)
  • 120°C max temperature
Dimensions:96.5 (H) x 27.0mm (Hex)
Weight:268g
Set PressureConnectionModelRBS Part No
Unset3/4" BSPTNB754014939
Features
  • Highest capacity non-code safety valve model
  • All brass construction with stainless steel springs
  • O-ring seal available (silicone or fluorocarbon)
  • Available set pressure range 25-300 PSI (170-2068 kPa)
  • 120°C max temperature
Dimensions:123 (H) x 41.5mm (Hex)
Weight:775-858g
Set PressureConnectionModelRBS Part No
Unset1” BSPTNW104014959
Unset1 1/4” NPTNW124014970
Features
  • Designed for use in systems to maintain a desired pressure level
  • Proportional relief valve and not "pop" type safety valve
  • All brass construction with stainless steel springs
  • Poppets: stainless steel (PR25) or nylon with nitrile seal (PR38/PR75)
  • Easily field adjusted with knurled adjustment screw and lock nut
  • 120°C max temperature
Available cracking pressure (PSI)Flow at 5PSI past crack pressureConnectionModelRBS Part No
0-20 PSI2 SCFM1/4” NPTPR254010560
20-60 PSI2 SCFM1/4” NPTPR25On Request
50-125 pSI2 SCFM1/4” NPTPR25On Request
100-200 PSI2 SCFM1/4” NPTPR25On Request
0-20 PSI5 SCFM3/8” NPTPR38On Request
0-20 PSI10 SCFM3/4" NPTPR75On Request