head_banner

BS4-Bellows-Sealed Valves

IntroductionHikelok BS4 series bellows-sealed valves are available with variety of end connections.Working pressure is up to 1000 psig (68.9 bar),working temperature is from -80℉ to 600 ℉ (-62 ℃ to 315 ℃). Isolate system fluids and achieve reliable, leak-tight performance with Hikelok BS4 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.
FeaturesMaximum 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 0.28Variety of end connections316 stainles steel body materialPanel and bottom mountingPrecion-formed metal bellows providers reliable sealNonrotating stem tipWelded body to bonnet sealEvery valve is tested with helium for 10s to a maximum leak rate of 4×10-9 std cm3/s
AdvantagesPrecision-formed metal bellows for reliabilityNonrotating stem tip for increased shutoff cycle lifePanel and bottom mounting100% factory tested
More OptionsOptional SS316,stellite tip material