, Fine small pneumatic control valve sleeve Overview fine small pneumatic regulator small valve shaped sleeve, lightweight, accurate and efficient check in Anhui, is in line with the new IEC standard valve products. It is used in chemical, petroleum, metallurgy, power plants and other industrial sectors in general fluid media and process conditions of production process control systems. Pneumatic sleeve valve by a new type of pneumatic multi-spring diaphragm actuator and low flow resistance sleeve valve. Single-seat control valve performance through single-seat body type casting ball valve nominal diameter nominal PN1.6,4.0,6.4MPa law 20,25,32,40,50,65,80,100,125,150,200mm Lan standard JB79-59, JB78-59 steel and other materials (ZG230-450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti) on the bonnet and other common type bonnet: -40 ~ + 230 ℃ on fin bonnet: + 230 ~ + 450 ℃ Bolt Clamp Packing Gland Type V-type PTFE packing, impregnated with PTFE asbestos packing, asbestos braided packing, graphite packing Valve components manufacturer check valve company Tianchang instrument United meter (online consultation), the check valve is provided by the United Instrument Sales Co., Ltd. Tianchang instrument. Instrument Sales Co., Ltd. Tianchang instrument Union (www.ylybxs.com) (www.ylybxs.com) is Chuzhou, temperature instrumentation leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum to meet customer needs. Tianchang instrument linked instruments in leadership with the staff warmly welcome all inquiries negotiations to create Tianchang instrument linked instruments better future.