1)Explosion-proof solenoid valve 2)1/8 " ~2 " 3)Brass or SS valve body 4)Code: 2W-Z or 2S-Z 5)ISO9001 & ... / 2S-Z series ex-proof solenoid valve are improved from 2W/2S valve, they are 2/2way, direct action type. Using some special area ... : air, water, oil, gas3) Action Type: direct action4) Valve Body: 2W: Brass or 2S:Stainless Steel5) Valve Control Style: NC(normal close)6 ...