1, Long life cycle angle seat valve 2, Quality Ensure,100% Tested 3, Good after-sell service 4, MOQ 10pcs 5, ... Ms Luna MOBILE: 0086-137 7794 4409 2/2-WAY PISTON-OPERATED seat valves FOR NEUTRAL AND AGGRESSIVE LIQUIDS ... 2,Valves used for liquid media are waterhammer-free.3,Valves with orifice DN15/DN20/DN25 are ideal for ... for liquid media.ORDERING CODE:DESCRIPTION:SIZE: BSPP 3" Thread Angle seat valve