Robust Construction: Designed to withstand the thermal and electrical stresses common in commercial and residential HVAC applications

It features 1/2" NPT inlet and outlet ports with a side pilot outlet

What material is used for the Schneider Electric AT-11-500

Is an EPA 608 certification required for purchase

Can I use this valve for high-pressure steam

Johnson Controls P47BA-6 Pressure Control Els PW 29614 Robust Construction: Designed to withstandJohnson Controls P47BA 6 Steam Pressure Limit Control, 120 208 240 277 Vac Electrical Rating, SPST, Contacts Close on Rise, 0 Psi to 150 Psig, 12 to 50 Psi Differential, 325 Psi Maximum Allowable Pressure, Automatic Reset