Bellows Valves
Bellows Sealed Valves BS1 Features
Maximum working pressure up to 1000 psig (68.9 bar)
Working temperature from -20℉ to 900℉ (-28℃ to 482℃)
Flow coefficients (Cv) from 0.12 to 1.2
Variety of end connections
316 S.S., brass and monel 400 materials
Panel and bottom mounting
Bar, round handle are available
Precion-formed metal bellows providers reliable seal
Nonrotating stem tip: spherical, conical and regulating
Gasket body to bellows seal is standard, weld seal also available
Replaceable bellows and stem assembly
Every valve is tested with helium for 10s to a maximum leak rate of 4 ×10-9 std cm3/s
Bellows Sealed Valves BS2 Features
Upper packing provides secondary containment system above the bellows
Hydraulic-formed multilayer bellows enhanced cycle life
Nonrotating stem tip eliminates galling within the seat area
Strictly controlled bellows stroke to improve safety and cycle life
Replaceable bellows and stem assembly
Regulating, conical, and spherical stem tips available
Panel, bottom, and side mounting available
Double lock-pins enable steady and durable fastening of the handle.
Handle color options are available
Every Hikelok bellows-sealed valve is factory tested with helium to a maximum leak rate of 4×10-9 std cm3/s at the seat, envelope and all seals available
Bellows Sealed Valves BS3 Features
Maximum working pressure up to 500 psig (34.4 bar)
Working temperature from -40℉ to 200℉ (-40℃ to 93℃) vFlow coefficients (Cv) : 0.3 and 0.7
Variety of end connections
316 S.S and 316L VAR S.S. materials
Panel and bottom mounting
Bar, round handle are available
Precion-formed metal bellows providers reliable seal
Nonrotating stem tip
Bonnet seals to body without gasket
Actuator-stem coupling design for smooth actuation
Every valve is tested with helium for 10s to a maximum leak rate of 4 ×10-9 std cm3/s
Bellows Sealed Valves BS4 Features
Maximum working pressure up to 1000 psig (68.9 bar)
Working temperature from -80℉ to 600 ℉ (-62 ℃ to 315 ℃)
Flow coefficients (Cv) from 0.11 to 0.28
Variety of end connections
316 stainless steel body material
Panel and bottom mounting
Precion-formed metal bellows providers reliable seal
Nonrotating stem tip
Welded body to bonnet seal
Every valve is tested with helium for 10s to a maximum leak rate of 4 ×10-9 std cm3/s
Bellows Sealed Metering Valves BSM Features
Maximum working pressure up to 700 psig (48.2 bar)
Working temperature from -20℉ to 900℉ (-28℃ to 482℃)
Flow coefficients: 0.019 and 0.30
Vernier handle measure stem position in 0.001 in. (0.025 mm) increments.
Panel and bottom mounting
316 stainless steel materials