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A safety valve is a valve mechanism for the automatic release of a substance from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named pressure safety valves (PSV) or pressure relief valves (PRV). The other parts of the set are named relief valves, safety relief valves, pilot-operated safety relief valves, low pressure safety valves, vacuum pressure safety valves.

Safety Valve Specifications:

  • ASME NB/UV, CRN Coded & Non-Coded
  • Brass or Stainless Steel
  • 5 to 600 PSI / -250°F to 400°F
  • 1/8" to 1"

PSI Specification

If ordering online, at Step 4: Review Your Order, enter in the "Review Order Notes" box your PSI in increments of 5 according to the PSI range listed above. If ordering through customer service, be sure to let them know the PSI increment needed.

Ex: 005 (5 psi), 125 (125 psi), 075 (75 psi)

 Safety Valves Combo





















100SS-1-000 Safety Valve Stainless Steel Ball

100SS-1-000 Safety Valve Stainless Steel Ball

Part #: 1234086
1/8" 5-100 PSI Non Code
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100SS-2-000 Safety Valve Stainless Steel Ball

100SS-2-000 Safety Valve Stainless Steel Ball

Part #: 1234087
1/4" 5-300 PSI Non Code
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100SS-3-000 Safety Valve Stainless Steel Ball

100SS-3-000 Safety Valve Stainless Steel Ball

Part #: 1234088
3/8" 5-300 PSI Non Code
Call For Pricing
100SS-4-000 Safety Valve Stainless Steel Ball

100SS-4-000 Safety Valve Stainless Steel Ball

Part #: 1234089
1/2" 5-300 PSI Non Code
Call For Pricing
103-5-000 Side Relief Valve Brass Seat/Ball

103-5-000 Side Relief Valve Brass Seat/Ball

Part #: 1234092
3/4" 10-300 PSI Non Code
Call For Pricing
103D-2-000 Side Relief Valve Stainless Seel Ball Seat

103D-2-000 Side Relief Valve Stainless Seel Ball Seat

Part #: 1234093
1/4" 5-1000 PSI Non Code
Call For Pricing
103H-2-000 Side Relief Valve Viton Disc

103H-2-000 Side Relief Valve Viton Disc

Part #: 1234094
1/4" 5-500 PSI Non Code
$37.50
103SS-2-000 Side Relief Valve Brass Seat

103SS-2-000 Side Relief Valve Brass Seat

Part #: 1234090
1/4" 5-500 PSI Non Code
Call For Pricing
103SS-3-000 Side Relief Valve Brass Seat

103SS-3-000 Side Relief Valve Brass Seat

Part #: 1234091
3/8" 5-500 PSI Non Code
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110C-2-000 Safety Valve High Pressure

110C-2-000 Safety Valve High Pressure

Part #: 1234058
1/4" 25-600 PSI ASME Coded
Call For Pricing
110C-3-000 Safety Valve High Pressure

110C-3-000 Safety Valve High Pressure

Part #: 1234059
3/8" 25-600 PSI ASME Coded
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111X-2-000 Cryogenic Safety Valve

111X-2-000 Cryogenic Safety Valve

Part #: 1234098
1/4" 5-400 PSI Non Code
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112CR-2-000 Safety Valve Stainless Steel

112CR-2-000 Safety Valve Stainless Steel

Part #: 1234065
1/4" 25-300 PSI ASME Coded
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112CR-3-000 Safety Valve Stainless Steel

112CR-3-000 Safety Valve Stainless Steel

Part #: 1234066
3/8" 25-300 PSI AMSE Coded
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112CR-4-000 Safety Valve Stainless Steel

112CR-4-000 Safety Valve Stainless Steel

Part #: 1234067
1/2" 25-300 PSI ASME Coded
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SHOWING 1-15 of 55 TOTAL

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Safety Valves