Worm gear hard seal butterfly valve, based on imported advanced technique, adopts fine J shape elastic seal ring and triple offset multilayer metal hard sealing structure. Applicable temperature belows 425?. Worm gear hard seal butterfly valve is widely used to regulate flow or closure medium in metallurgy, petroleum, power and other industries. The valve utilizes triple offset sealing structure. Valve seat and disc made of stainless steel with different hardness, have good corrosion resistance and long service life. The valve has bi-directional sealing, according to GB/T13927-92 pressure test standard.
Manufacturer: Zhejiang Xinhai Valve Manufacturing Co., Ltd.
Sales Contact: Jeawin Lee
Sales Email: valves@xinhaivalve.com
Product link: http: //www.xhvalves.com/worm-gear-hard-seal-butterfly-valve.html
Worm Gear Hard Seal Butterfly Valves :WCB, alloy steel