• Bellows sealed Valves
  • Bellows sealed Valves
  • Bellows sealed Valves

Bellows-sealed Valves

products available:
-SW Series
-SU Series

Bellows-sealed Valves




Working pressure up to: 1000 psig (69.0 bar)

Working temperature: -20°F to 842°F (-28°C to 450°C)

Variety of end connections

Body material: 316 SS, brass

Hydraulic-formed multilayer bellows for longer cycle life

Nonrotating stem tip eliminates galling within the seat area

Externally pressurized bellows design for maximum strength

Strictly controlled bellows stroke to improve safety and cycle life

Replaceable bellows and stem assembly

Regulating, conical and spherical stem tips available

Handle color options are available

Panel and bottom mounting available

Every FITOK bellows-sealed valve leak tested with helium at pressure ≥87 psig (6 bar) at the -9 3 seat, envelope and all seals (maximum allowable leak rate : 4 × 10 std cm /s)


Comply with ISO 7-1, EN 10226-1, BS 21, DIN 2999, JIS B0203.