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There is a Tradition of Innovation at A.Y. McDonald, Mfg. Co.  A.Y. McDonald, Mfg. Co. Provides Superior Quality Products Exceptional Service is our Number One Priority

High Pressure Gas

A.Y. McDonald Mfg. Co. announces 5 new product introductions in the Water Service Product Line at this time. Contact us if you want more information about these new products.

NEW! 6312 Multiple Meter Manifold Bar

A By-Pass system that makes sense!
  • No interruption in service or reduction in flow capacity
  • No loss of pilot lights
  • Safe - Fast - Secure

To view the flyer, click here: 6312 Meter Bar flyer

NEW! 6410 Meter Bar

A By-Pass system that makes sense!
  • No interruption in service or reduction in flow capacity
  • No loss of pilot lights
  • Safe - Fast - Secure

    To view the flyer, click here: 6410 Meter Bar flyer

NEW! Swivels, Nuts & Gaskets

See the latest additions to the AY McDonald line of Swivels, Nuts and Gaskets Swivels, Nuts & Gaskets flyer

NEW! Meter Outlet Bypass Valves

Meter Outlet Bypass Valves Meter Outlet Bypass Valves flyers

NEW! 3/4" & 1" Iron Body Ball Valve
8276B & 860B

These new 1" & 3/4" iron body ball valves have the following features:
  • Blow-out proof stem
  • Black of zinc coated
  • Insulated or FIPxFIP versions
  • Multiple pressure tap positions available

To view the flyer, click here: Iron Body Ball Valve Flyer

Water is Our Most Precious Resource... Make Every Drop Count with AY McDonald's Unmeasured Flow Reducer Reduce Unaccounted-For Water Unmeasured Flow Reducer (UFR)