Spring-Loaded Safety Valve
The Spring-Loaded Safety Valve from Petrotec Valves is a highly reliable pressure-relieving device designed to automatically discharge excess pressure from boilers, pipelines, and process equipment. Using a precisely calibrated spring mechanism, the valve opens at a predetermined set pressure to protect systems from overpressure, ensuring safe and efficient plant operation.
- Sizes : ½” to 12” (DN15 – DN300)
- Pressure Ratings : Class 150 to 2500 / PN16 – PN420
- Temperature Range : –29°C to +550°C (depending on material grade)
- Body/Bonnet: Carbon Steel (WCB),
Stainless Steel (SS 304, SS 316),
Forged Steel (A105),
Alloy Steel - Disc/Seat: Stainless Steel, Hard-Faced Alloys, Stellite
- Spring: High Tensile Alloy Steel or Stainless Steel
- Trim Options: SS 410, SS 316, Duplex Steel, Monel (for corrosive services)
- Spring-loaded mechanism for quick and accurate pressure relief
- Compact and robust design suitable for various industries
- Full lift and proportional lift options available
- Leak-tight sealing with precision-lapped seats
- Adjustable set pressure to meet system requirements
- Available with flanged and screwed end connections
- High performance with minimal maintenance requirements
- Fire-safe and anti-corrosive trims available on request
- Long service life under continuous duty
Each valve is hydrostatically and functionally tested as per API 598 / BS EN 12266, and designed to meet API 520/526, ASME Section VIII, DIN, and ISO standards, ensuring consistent performance, safety, and reliability.
