Spirax Sarco BsA series bellows sealed globe valve bellows seal with a unique design that completely eliminates stem packing seal leakage problems, meet the most stringent requirements for leakage rating. BSAT-core models with the throttle, double bellows seal, longer life. BSA-type shutoff valve zero leakage characteristics to improve the security of the device, save a lot of energy and reduce maintenance costs, and for industrial applications provide a clean and safe working environment. BSA caliber type bellows sealed globe valves from DN15-DN250, can provide a variety of different materials, from cast iron BSA1, ductile iron and steel materials BSA3 BSA2 type valve, standard flanged connections, threads and socket welding, etc., pressure rating up to PN40. ANSI 300 and CLASS 800. The maximum operating temperature up to 425 degrees, can be used for high-temperature systems. A valve can be used in order to meet the requirements of various industrial applications, and to ensure a long service life, maintenance-free and robust and strong. Product Description: bellows sealed globe valve, double bellows seal, flexible switch, sealing, designed for steam, gas, liquid, condensate and water systems. Standard Series BSAT with throttle valve stem core and locking device. Optional series BSA flat spool. Tel: 021-51870531 Contact phone: 13631622442 15900515856 Deng Zhicheng philosophy: "Yi valve cover (limited) company _ in fact be better because we have been convinced, so we continue to strive forward to!!"