CF8 Stainless Steel OS&Y Bellows Seal Globe Valve ANSI Class150 PN16 Flanged End Zero Leak Chemical Cut-off Valve
Multi-layer stainless steel integral welded bellows isolate stem completely from medium, realize stem zero leakage per ISO15848 Class A, no packing leakage of toxic & volatile medium.
Outside screw & yoke design, stem lifts visibly with handwheel, opening degree can be checked directly, convenient for field inspection and maintenance.
Optional CF8 (304)/CF3M (316)/WCB cast steel, working range -196℃~450℃, good resistance to acid, alkali, high temperature and corrosion.
Bellows as primary sealing + graphite backup packing as secondary protection, avoid sudden leakage even bellows damaged, improve service safety greatly.
Two connection options: RF Flange ANSI/GB standard or NPT/BSP internal thread; PN16/PN25/Class150/300 available, DN15~DN200 full sizes in stock.
Widely used in pharmaceutical, petrochemical, heat transfer oil, LNG, liquid ammonia and poisonous gas pipeline to prevent medium escaping pollution.
Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.
Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.
