Instrumentation Fittings

Instrumentation Valves

Pressure Gauges

Pressure Regulators


Hose Assemblies

Valves \ Bellows Valves

BL Series - Bellows Valves

Hy-Lok bellows valves offer a precision-formed metal welded bellows assembly that has undergone electro polishing processing for maximum cycle life. Hy-Lok bellows valves are panel mountable, with options including round & toggle handles and pneumatic actuation.

Bellows sealed valve sizes include 1/4", 3/8" and 1/2". End connection options include Hy-Lok tube fittings, male / female ZCR fittings, and tube butt welds. Metal bellows sealed valves are assembled in a class 10 clean room, and packaged using purified, anti-static polyethylene bags.

With pressure handling to 250 psi and temperatures to 200°F, Hy-Lok has a bellows valve solution to meet your needs.

  • Pressure rating to 250 psi (17 bar)
  • Temperature rating from -20°F to 200°F (-23°C to 65°C)
  • Panel mounting nut allows easy valve mounting
  • Non-rotating stem tip for long cycle life
  • Variety of end connections include Hy-Lok tube fittings, male/female ZCR and tube butt weld
  • Body Material is available in Single Melt 316 stainless steel
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