... 2.1 million times life testing 3.Reliable quality 4,One year gurrantee, solenoid valve 2W21 Characteristic : 1.Direct lifting diaphragm construction; 2 ... ,flying lead 35VA(AC),30W(DC),IP65,100%EDMaterial: Body - Brass or Stainless steel Seal -NBR, EPDM, PTFE or VITON Armature ...