Spring loaded safety valve

Spring-loaded safety valves offer a simple, direct-acting pressure relief mechanism ideal for universal industrial use. They require no external power and respond instantly to system overpressure. Used in utilities, steam systems, process plants, and compressors, they are built to conform with API 526 and ISO 4126 and offer metal or soft-seat options.

Specifications:

• Operating Pressure: Up to 160 bar (Type 431/433)
• Operating Temperature: –270 °C to +450 °C
• Orifice Area / Flow: A₀ = 95–25,447 mm²
• Sizes & Connections: DN25–200; PN10–250 or ASME CL150–1500
• Leakage Class: Metal or soft seat sealing, ISO 5208
• Compliance: API 526, ISO 4126, PED, ASME VIII
• Maintenance: Replaceable internals, bellows optional