... life testing 3.Good sealing 4,One year gurantee Anticorrosive Solenoid Valve YCFP21Characteristic : With isolated diaphragm construction to rot proof ... PTFE body for corrosion resistant Medium : Corrosive fluid and gas, Acid, Alkali, etc. Temperature: PTFE Seal : -4F to 350F, ... 1/8Port Thread: BSPP ,BSPT ,NPTOrifice (mm): 3MMVoltage: DC - 12V,24V AC - 24V,120V, 240V@60HZ 110V, 220V@50HZ Tolerance ...