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Bellows globe valve adopts internal bellows structure. The lower end of the stainless steel bellows welded to the stem to prevent stem from fluid erosion. The other end constitutes a static seal between the valve body and bonnet. Double seal design can make sure the zero leakage. When bellows do not work, the stem packing will prevent from leak. It is suitable to steam, flammable, explosive, conducting oil, high purity, toxic and other media.
Design Feature
  • Formed bellow
  • 10,000 cycles failure-free tested
  • Stem bellow double seal design
  • Stem packing zero leakage 
  • Rising stem with non rising handwheel
  • Anti-static design
  • Fire safe design
Design Standard
  • Design: BS1873/ ASME B16.34
  • Face to face: ASME16.10
  • End connection: ASME B16.5/ ASME B16.25  
  • Test: API598
  • Fire safe: API607
Technical Specification
  • Size: 2”~28”
  • Class: 150#~2500#
  • Connection: Double flange /  Butt weld
  • Operation: Handwheel / Bevel gear box / Electric actuator 
  • Temperature: -60°C to +200°C
  • Application: Refining / Chemical
Material Option
  • Body: Stainless steel(CF8,CF8M,CF3,CF3M) / 
    Duplex stainless steel(4A,5A,6A) / 
    Hastelloy alloy(N-12MV,CW-12MW,CW-2M) / 
    Inconel alloy(CY-40,CW-6MC) / 
    Monel alloy(M35-1)
  • Disc: Stainless steel(CF8,CF8M,CF3,CF3M) / 
    Duplex stainless steel(4A,5A,6A) / 
    Hastelloy alloy(N-12MV,CW-12MW,CW-2M) / 
    Inconel alloy(CY-40,CW-6MC) / 
    Monel alloy(M35-1)
  • Stem: SS420 / 17-4PH / F53 / XM-19 / Monel-K500 / Inconel-625 / 
    Hastelloy-276
  • Bellow Sealed: SS316 / Inconel-625
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