ASTM A216 WCB Safety Valves, API 526, DN250, PN100, Full Lift

Product Name: Spring Loaded, Full Lift Safety Valve with Radiator
Design Standard: API 526
Body Material: ASTM A216 WCB
Size: DN250, 10 Inch
Pressure: PN100, Class 600 LB
End Connection: Groove Flanged
Medium: Steam, Air

The SFA48Y series spring-loaded full lift safety valves are used on equipment and pipelines carrying steam and similar media. The allowable working temperatures are as follows: up to 425°C for Type C, 500°C for Type I, and 550°C for Type V. These valves function as overpressure protection devices. Flange connection dimensions comply with the first series of JB/T79-94 standards or can be manufactured according to customer specifications.

Technical Specification

» Product model: SFA48Y
» Normal Size Range: 1/2-12 Inch (DN15-DN300)
» Normal Pressure Rating: Class 150-600 LB (PN16-PN100) 
» Design and Manufacture: GB/T 12243-1989, API RP 520, 521, API 526, API 527
» Face to face(end to end): GB/T 14087, JB/T 6441, JB/T 2203, JB/T 9624, JB/T 53170
» Flanged connection: ASME B16.5, DIN 2543-2545, EN 12627
» Test and inspection: API 598, DIN 3230, MSS SP-117
» Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex or Other Specials 
» Ends Connections: RF Flanged, Groove Flanged

Structural Diagram

Main Parts and Materials