These valves are designed for use with natural, manufactured or LP gas only. All A.Y. McDonald 175 PSIG Gas Valves may be re-lubricated in the full open or the full closed position when the valve is pressurized or un-pressurized.
Blow out proof steam 600 PSI WOG, 150 PSI Steam.
560B – Black Iron
560G – Zinc Coated with a Clear Chromate Finish Iron