Fortpro ST-3 Safety Valve — 150 PSI, 1/4″ NPT Replacement for Bendix 284142 and Mack 20QE1129 | F224652

Description

Specifications

• Product Line: Brakes
• Category Name: Air Brake Valves
• Part Type: Safety Valve
• Alternate Part Name: Air Relief Valve, Pressure Relief Valve
• Model: ST-3
• OEM Part Number: 284142
• Application Type: Semi-Trucks, Heavy Duty Trucks
• Inlet Port Size: 1/4-18 NPT
• Vent Size: Ø 0.125 in.
• Material: Brass
• Adjustable: No
• Closing Pressure: 75% of the Minimum Opening Pressure
• Maximum Operating Temperature: 200 deg. F (93 deg. C)
• Minimum Operating Temperature: -40 deg. F (-40 deg. C)
• Number of Vents: 1
• Opening Pressure: 150 ± 8 psi
• Net Weight: 0.24 lb.

Intended Application

• Used in pneumatic systems to prevent the pressure within the secondary or standby circuit from exceeding a safe level, protecting critical components such as compressors, air tanks and modulating valves.

Cross-references

• 13943H, 170284142, 20QE1129, 284142, 284142N, 408425C91, AV284142, EBN205105N, EM36150, KN31400, LSV-3615, LSV3615, RKN31400

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