Tamperproof | 175 PSIG | Flat Head | Lockwing

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
  • Brass Plug
  • Inlet – FNPT Threads
  • Outlet – FNPT Threads
  • 560BC – 560B with 1/8″ Test Plug
  • DO NOT TAMPER WITH BOTTOM NUT
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