Rubber lined butterfly valve combines the characteristic of concentric and eccentric structure. According to different working condition, the lining material of disc and seat varies. The corrosion resistant material can prolong the lifespan of valve, the sealing parts are replaceable, and the sealing performance can reach to zero leakage, which make it applicable for special working condition.
Design & Manufacture Standard:GB/T 12238
Face-to-face Dimension:GB/T 12221
Flange Standard:HG/T 20592
Inspection & Test Standard:GB/T 13927
Body:Gray cast iron, ductile iron, carbon steel
Disc:carbon steel with rubber, carbon steel with fluoroplastics Stainless steel, Duplex stainless steel plate 1.4529,C276
Seat:Hard rubber, EPDM, etc.
Stem:Stainless steel, 2Cr13, SS304