Spring Loaded Safety Relief Valve is used in power plant boilers, pressure containers and temperature reducing devices and other facilities. It serves to prevent pressure from exceeding max. allowed value and ensure the safety of the device during working.
Series - 150 To 600
Steam Safety Valve sizing and selection acc. to API 520 (ASME sec Ⅷ), designed acc. to API 526, test acc. to API 527 (ASME PTC 25), flange acc. to ASME B16.5. This valve’s type include A48C Open Bonnet Plain Lever Safety Valve, A48Y High Temperature and High Pressure With Radiator Safety Valve, High Performance Steam Safety Valve which meets the requirement of ASME secⅠ, High Temperature High Pressure Welded Safety Valve.
Design Features
- Open Bonnet, with radiator
- Safety Valves/pressure safety valves, angle type
- Low/Full lift safety valve for high temperture and high pressure condition metal to metal seated, with lever
- Inlet: Flanged connection acc. to ASME, DIN, JIS, BS etc
- Outlet: Flanged connection acc. to ASME, DIN, JIS, BS etc
Product Specifications
- Size 1/2″-16″ DN20-DN400
- Pressure Class "150, 300, 600" | PN10-PN100
- End Connection Flange (FF, RF, RJ)
- Body Material WCB, WC6, WC9, CF8, CF8M
- Disc Material 2Cr13, 304, 316
- Spring Material 50CrVA, 50CrVA coated teflon
- Stem Material 2Cr13, 304, 316
- Design Standard API RP 520
- Face to Face Standard API 526
- Test Standard API 527
- Temperature Range -20℃~350℃
- Actuator Options Lever
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Structure Style
- Spring Loaded, Angle, Open Bonnet
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Connection Standard
- Flange Drilling: ASME, DIN, JIS, BS etc
- Butt Weld: ASME B16.25, GB/T 12224