API 602 Bellows Sealed Globe Valve – NSW | Forged Steel, CL150 to CL2500

The NSW API 602 Bellows Sealed Globe Valve is engineered for leak-tight shutoff and zero stem leakage in critical applications such as toxic, flammable, or high-temperature media. It is designed with a bellows-sealed bonnet that prevents any media escape through the stem, ensuring safety, environmental protection, and extended service life.

Manufactured in forged steel with materials such as A105, LF2, F11, F22, F304(L), F316(L), F347, F321, F51, Alloy 20, Monel, and Inconel, this valve accommodates extreme temperature ranges from –196°C to +593°C and pressure classes up to CL2500.

Available in sizes from 1/2” to 2” (DN15–DN50), the valve meets API 602, ANSI B16.34, and BS 5352 standards, with multiple connection options including flanged, socket weld, screwed (NPT), and butt weld. This design is optimal for applications in the chemical, petrochemical, pharmaceutical, and cryogenic industries.

Specifications:

– Manufacturer: NSW (Newsway Valve)
– Valve Type: Bellows Sealed Globe Valve
– Size Range: 1/2" to 2" (DN15 to DN50)
– Pressure Class: Class 150 to Class 2500 (including CL800)
– Temperature Range: –196°C to +593°C
– End Connections:
 • Flanged (ANSI B16.5)
 • Socket Weld (ANSI B16.11)
 • Butt Weld (ANSI B16.25)
 • Threaded NPT (ANSI B1.20.1)
– Body Material Options:
 • A105, LF2, F5, F11, F22
 • A182 F304(L), F316(L), F347, F321, F51
 • Alloy 20, Monel, Inconel
– Design Standards: API 602, ANSI B16.34, BS 5352
– Face-to-Face Standard: ANSI B16.10
– Test Standard: API 598
– Bonnet Type: Bellows Sealed Bonnet
– Stem Type: Rising Stem, Inside Screw
– Disc Type: Plug or Conical (as per design)
– Operation: Manual
– Leakage Class: Zero stem leakage via bellows seal
– Inspection Options: PMI, UT, RT, PT, MT

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