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Design
Die-forged piston type lift valves as per API 602 (800/1500)/ASME B16.34 (2500). Bolted cover (800) or welded cover (1500/2500). Integral stellite hard-faced body seat, disc seating face 13% Cr steel/stellite hard-faced. Graphite gasket. Pressure/temperature ratings to ASME B16.34. Line connection: threaded NPT (F) as per ASME B1.20.1. Socket weld ends to ASME B16.11. Face-to-face length to manufacturer‘s standard. Valve testing in compliance with API 598. Available in carbon steel and alloy steel.
Application
Refineries, power stations, general industry and process engineering. For water, steam, gas, oil and non-aggressive fluids. Other applications on request.
Overview of technical data
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Class(es) |
1500; 800;2500 |
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Maximum temperature |
593 002 |
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DN max. |
50 |
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Body/bonnet seal element |
Internally and externally confined seal |
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Design standard |
BS 5352 |
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DN min. |
15 |
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Valve disc/plug material |
Metal- to-metal seat |
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eClass assignment |
37010801 |
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Size(s) (NPS) |
1/ 2" - 2" |
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Threaded-end design |
Threaded- end design;Socket weld end |
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Body design |
Straight pattern body; Y-valve body |
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Body material |
Forged steel |
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Trim |
Stellite; 13 Cr |
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Pressure/Temperature Rating |
ASME B16. 34 |
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Body material(s) (ASTM standard) |
A182 F22; A105 |
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PN max. |
439 |
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Main applications |
Industry and process engineering; Energy;Oil / Gas |
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