A.Y. McDonald

A.Y. McDonald 4810-124 559, 559B Flat Head Plug Valve, 1/2 in, FNPT, Iron Body

AYM559BJ MFG #: 4810-124
A.Y. McDonald 4810-124 559, 559B Flat Head Plug Valve, 1/2 in, FNPT, Iron Body
  • Body Material: IRON
  • End Style: FNPT
  • Nominal Size: 1/2 in
  • Type: Flat Head
  • Color: Black
  • Dimensions: 3.16 in L x 3.14 in W
  • Manufacturer: A.Y. McDonald
  • Manufacturer #: 4810-124
  • Media: Gas
  • Pressure Rating: 175 psi
  • Series: 559
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.

A.Y. McDonald Plug Valve, Flat Head, Series: 559, 1/2 in Nominal, FNPT, 175 psi, Media: Gas, Iron Body, Black, 3.16 in L x 3.14 in W
  • Features
  • Brass castings conform to ASTM B584, UNS C83600 or C84400 (latest revision)
  • Iron castings conform to ASTM A126 class B Iron, with optional zinc coating per ASTM B633 with clear chromate coating and silicate sealer (latest revisions)
  • Rated for 175 psig natural, manufactured, or LP gas pressure
  • Valve can be re-lubricated while in service and under pressure
  • Plug rotates 360 deg
  • Tamper resistant design prevents disassembly with normal household tools
  • Port opening sized to accommodate the best known stop changers