... )Standard: DIN, SMS, 3A,ISO, IDF, RJT, AS, BS, BPE(3)Seal material: EPDM,Silicone or VITON(price higher)(4)Working ... /clamp,weld/male,clamp/male(9)Operation: 1) Manual, 2/3/4-position pulling handle, multi-position plastic/stainless steel handle ... (air open/air close). Compact appearance, small volume, large torque, small and convenient assembly. 3) Electric: With on-off indicator light, passive ...