SS 316L manual butterfly valves (ISO9001:2000,CE,TUV certified) DN10-DN200,1/ ... , BPE(3)Seal material: EPDM,Silicone or VITON(price higher)(4)Working pressure: 0 - 10Bar (From min. Pressure vacuum to max ... ,weld/clamp,weld/male,clamp/male(9)Operation: 1) Manual, 2/3/4-position pulling handle, multi-position plastic/stainless steel handle ...