Precision Machining
Our expertise coupled with the latest technology produces precision machined parts and components to tight tolerances.
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Furnace Brazing Services
High-quality furnace brazing services with quick turn-around time – we are brazing daily.
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Annealing Services
Our expertise and continuous belt furnace provide you with both volume and lower costs for your annealing needs.
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Product Assembly
AMP is your one-stop-shop. Leverage our expertise in machining, brazing, and assembly to contract manufacture your finished product.
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HVAC & Refrigeration Products
AMP is the industry leader in quality shut-off and service valves for refrigeration and air conditioning. We produce original equipment for manufacturers on six continents.
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Automatic Machine Products (AMP)

Precision Machine Shop

Established in 1923, Automatic Machine Products is a full-service modern precision machine shop utilizing the latest technology to deliver high-value machining and brazing services to customers in many different industries including Defense, Automotive, Medical, Aerospace, HVAC, Transportation and more.

Automatic Machine Products is constantly investing in state-of-the-art machining equipment to stay ahead of the curve in today’s changing manufacturing environment. We have a large, growing number of high-speed multi-turret, multi-spindle CNC lathes that can quickly produce extremely complicated components in a single pass. We employ a fleet of automatic multi-spindle screw machines to provide consistent, repeatable quality parts in very large numbers. Automatic Machine Products’ Swiss-style machining can create incredibly intricate parts with large aspect ratios at amazingly high tolerances. For jobs that require the highest precision and number in the hundreds of thousands or millions of parts, Automatic Machine Products has Hydromat rotary transfer machining capability at its disposal. All custom machining jobs, large or small, receive the benefit of our expertise and technology.

Furnace Brazing

Automatic Machine Products offer high-quality furnace brazing and heat-treating services. We offer both Exothermic and Dissociated Ammonia atmosphere-controlled continuously belt-fed furnace brazing lines. Atmosphere controlled brazing furnaces provide a highly inert environment to deliver pure, oxide-free brazed joints and assemblies. We have decades of experience brazing our own valve products, so we have the expertise to deliver high quality, leak-free brazing services to any project. Talk to us also for assistance with your annealing or tempering heat treatment needs.

HVAC/R Parts Manufacturer

In 1946, Automatic Machine Products manufactured the first steel shutoff and service valve for the commercial HVAC industry. To this day, Automatic Machine Products offers a full line of customizable UL recognized industrial steel and brass valves, adapters, and companion products installed as original equipment in most of the leading refrigeration brands in the business. Automatic Machine Products is recognized as the industry leader in the Primore or Rotalock valve space.

Full-Service Contract Manufacturer

With Automatic Machine Products’ technologies and dedicated, experienced workforce we are your one-stop-shop for your precision machined components and assemblies. We have the expertise to work with a variety of materials: steel, brass and lead-free brass, composites, precious metals, plastic, and more to provide your solution and meet your custom needs.

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