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Powell Valves has been manufacturing the highest quality industrial valves since 1846. Powell offers bellow-seal valves in ASME classes 150, 300 and 800 in a variety of materials.

Bellow-Seal Valve Features:

  • Each valve is tested per API 598.
  • Every bellow assembly is helium leak-tested to assure zero leakage.
  • Non-rotating stems prevent torsion of bellow.
  •  Secondary stem seals include:
    • Stem backseat
    • API 624 stem packing
  • Lubricant fittings to ensure proper lubrication of stem bushing for efficient opening and closing.
  • Multiple bellows materials are available: 316Ti, Hastelloy, Inconel, Monel, etc.
  • All bellows are hydroformed with a minimum of two layers.
  • Available in pressure classes 150-1500 (All body materials available)

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