NSW F317 Forged Steel Y-Pattern Globe Valve – Class 800 to 2500, API 602

The NSW F317 Y Globe Valve is a forged steel shut-off valve designed for high-performance applications across thermal power, chemical, and industrial systems. Built to API 602 standards, this Y-pattern valve features a compact forged body and a rising stem with an outside screw and yoke (OS&Y) configuration, offering excellent strength and flow control.

Made from corrosion-resistant F317 stainless steel, this valve is particularly suited for aggressive media and high-temperature environments. The Y-pattern body reduces pressure drop and turbulence, while the integral backseat and spiral-wound gasket ensure leak-free operation under pressure. Available in full port or reduced bore designs, and in a variety of end connections, the valve is ideal for control and isolation of steam, oil, water, mud, gas, and radioactive fluids.

Specifications:

– Valve Type: Y-pattern globe valve
– Operation: Manual (Handwheel – non-rising)
– Size Range: NPS ½″ to 2″ (DN15 to DN50)
– Pressure Class: Class 800 / Class 150 to 2500
– Body Material: A182 F317 (Stainless Steel)
– Design Standard: API 602, ASME B16.34, BS 5352
– Face-to-Face: Manufacturer’s Standard
– End Connections:
 • Flanged Ends – ASME B16.5
 • Socket Weld Ends – ASME B16.11
 • Butt Weld Ends – ASME B16.25
 • Threaded Ends – ANSI/ASME B1.20.1
– Stem: Rising stem, OS&Y design
– Bonnet Type: Bolted, Welded, or Pressure Seal
– Disc Type: Solid Wedge
– Seat: Renewable seat rings
– Gasket: Spiral wound
– Bore Type: Full or Reduced Bore
– Testing Standard: API 598
– Fire Safe Design: API 6FA / API 607
– Available Standards: NACE MR-0175, MR-0103, ISO 15848
– Other Tests: PMI, UT, RT, PT, MT

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