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BS2-Bellows-Sealed Valves

Introduction Hikelok BS2 series bellows-sealed valves enhance reliability, versatility, and safety—with a secondary containment system that prevents leaks to atmosphere even if the primary seal fails.Working pressure is up to 2500 psig (172 bar),working temperature is from -20℉ to 1200℉ (-28℃ to 649℃ ). Isolate system fluids and achieve reliable, leak-tight performance with Hikelok BS2 series bellows-sealed valves which use a packless design and a gasketed or welded seal. They are ideal for applications where the seal to atmosphere is critical, and we offer multiple options for general and high-purity service.
FeaturesUpper 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
AdvantagesStainless steel actuator is hardened for strength and wear resistance Hydraulic-formed multilayer bellows enhanced cycle life Acme power transmission threads enable low operating torque Upper packing provides secondary containment as backup to primary seal Strictly controlled bellows stroke to improve safety and cycle life Double lock-pins enable steady and durable fastening of the handle 100% factory tested
More OptionsOptional standard material,PCTFE,stellite tip material Optional spherical,regulating,conical tip type Optional blue, black,red,green handles Optional aluminum bar,stainless steel bar handles