ConstructionSolenoid EnclosuresStandard: Watertight, Types 1, 2, 3, 3S, 4, and 4X.Optional: Explosionproof and Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9.(To order, add prefix “EF” to catalog number)See Optional Features Section for other available options.OptionsMounting bracket (suffix MB)High Vacuum service (suffix VH; see Vacuum Section for more details.)Oxygen service (suffix N)Silicone Free (suffix SF)Elastomers: FKM (suffix V), Ethylene Propylene (suffix E),CR (suffix J), PTFE* (suffix T), Low Temp. NBR** (suffix A)Note: *PTFE reduces pressure rating by 25% (i.e. 750 psi reduced to 560 psi)**For Low Temp. NBR, fluid temperature range is -40˚F to 167˚FRefer to Engineering Section for fluid and temperature compatibility.42-WAY35Valve Parts in Contact with FluidsBody Brass 303/304 Stainless SteelSeals and Discs NBR or Cast URCore Tube 305 Stainless SteelCore and Plugnut 430F Stainless SteelSprings 302 Stainless SteelShading Coil Copper Sil