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A.Y. MCDONALD

A.Y. MCDONALD is a manufacturer of valves and plumbing components, with a product line that includes curb stop and waste ball valves, LP and natural gas plug valves, and manual two-way ball valves. The brand is recognized in the waterworks and gas distribution sectors for components that meet standards such as NSF/ANSI 372, ASTM B62, and ANSI/AWWA C800. Products are constructed from brass, with FNPT x FNPT connections, and are available in pipe sizes ranging from 1/2 in to 1 1/2 in. Operating pressures vary by product family: curb stop and waste ball valves are rated to 150 psig maximum, while manual two-way ball valves are rated to 300 psi maximum. The gas plug valves are designed for media including LP gas and natural gas. 3G Electric stocks multiple SKUs from A.Y. MCDONALD, covering these valve families, and provides logistics support for global procurement. For plant engineers and maintenance managers, these valves are applicable in water service lines, gas distribution systems, and industrial piping where brass-bodied, threaded-end valves are specified. The availability of standardized connection types and pressure ratings allows direct substitution in existing systems without requalification. 3G Electric's inventory includes both common sizes and less frequently stocked dimensions, supporting maintenance and retrofit projects without extended lead times.

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About A.Y. MCDONALD

A.Y. MCDONALD is a manufacturer of valves and plumbing components, with a product line that includes curb stop and waste ball valves, LP and natural gas plug valves, and manual two-way ball valves. The brand is recognized in the waterworks and gas distribution sectors for components that meet standards such as NSF/ANSI 372, ASTM B62, and ANSI/AWWA C800. Products are constructed from brass, with FNPT x FNPT connections, and are available in pipe sizes ranging from 1/2 in to 1 1/2 in. Operating pressures vary by product family: curb stop and waste ball valves are rated to 150 psig maximum, while manual two-way ball valves are rated to 300 psi maximum. The gas plug valves are designed for media including LP gas and natural gas. 3G Electric stocks multiple SKUs from A.Y. MCDONALD, covering these valve families, and provides logistics support for global procurement. For plant engineers and maintenance managers, these valves are applicable in water service lines, gas distribution systems, and industrial piping where brass-bodied, threaded-end valves are specified. The availability of standardized connection types and pressure ratings allows direct substitution in existing systems without requalification. 3G Electric's inventory includes both common sizes and less frequently stocked dimensions, supporting maintenance and retrofit projects without extended lead times.

Common Applications

  • Water utility curb stop service — A.Y. MCDONALD 76001 series stop and waste ball valves for residential and commercial water lines
  • Natural gas distribution — A.Y. MCDONALD 10596 series gas plug valves for LP and natural gas piping systems
  • Industrial process piping — A.Y. MCDONALD 76101 series manual two-way ball valves for isolation in non-critical fluid systems
  • Maintenance and repair — A.Y. MCDONALD brass valves for direct replacement in existing FNPT threaded installations
  • Gas appliance supply — A.Y. MCDONALD plug valves for shut-off in commercial kitchen or boiler gas lines

Frequently asked questions

Common questions about A.Y. MCDONALD from 3G Electric.

What standards do A.Y. MCDONALD curb stop and waste ball valves comply with?

A.Y. MCDONALD curb stop and waste ball valves, such as the 76001 series, comply with NSF/ANSI 372 for lead content and ASTM B62 for material composition. The manual two-way ball valves in the 76101 series meet ANSI/AWWA C800. These standards ensure the valves are suitable for potable water applications and meet industry requirements for material integrity and performance.

What is the maximum operating pressure for A.Y. MCDONALD gas plug valves?

The A.Y. MCDONALD gas plug valves (model 10596 series) are designed for LP gas and natural gas service. While the provided specifications do not list a maximum operating pressure, these valves are typically rated for low-pressure gas distribution systems. For specific pressure ratings, refer to the manufacturer's documentation or contact 3G Electric for technical data.

Are A.Y. MCDONALD valves available with other connection types besides FNPT?

Based on the product range carried by 3G Electric, A.Y. MCDONALD valves are offered with FNPT x FNPT connections. This threaded design is common for water and gas service lines. For other connection types, such as flanged or sweat, check with 3G Electric for availability or alternative models.

What handle types are available on A.Y. MCDONALD curb stop ball valves?

A.Y. MCDONALD curb stop and waste ball valves, including the 76001 and 76101 series, feature a tee handle made of brass. This handle design provides a visual indication of valve position and allows for manual operation. The brass construction offers corrosion resistance in outdoor or buried service environments.

Can A.Y. MCDONALD gas plug valves be used for natural gas in industrial burner applications?

Yes, the A.Y. MCDONALD 10596 series gas plug valves are specified for LP gas and natural gas media. With brass body construction and FNPT connections, they are suitable for gas supply lines in industrial burner systems, provided the operating pressure and temperature ratings match the application requirements. Verify compatibility with your system's specifications before installation.

Does 3G Electric supply A.Y. MCDONALD products?

Yes — 3G Electric (S) Pte. Ltd. supplies A.Y. MCDONALD products. We stock the A.Y. MCDONALD catalog and supply genuine factory-original products with full manufacturer warranty and technical support.