About Products & Services Industries Resources News Contact Request a Quote HVAC & REFRIGERATION PRODUCTS Automatic Machine Products was the first to manufacture steel shut-off and service valves. In 1946, Primore, Inc. developed a line of shut-off valves for the air conditioning (HVAC) industry and brought this new line of valves to Automatic Machine Products to manufacture. AMP became the sole manufacturer of the “Primore Line” of valves, working closely with Primore design, engineering, and sales teams for over five decades. See More With Our Product Catalog Automatic Machine Products has a full range of products and services. Please download our catalog to see all our products and services. Download Today, Automatic Machine continues to produce the highest quality shut-off and service valves in the refrigeration and air conditioning industry, UL rated to 700 psig. Our product offerings have expanded over that time to include adapters, brass valves and various companion parts. Today AMP provides products to leading original equipment manufacturers on six continents. We are committed to quality, development, expansion, and diversification in meeting our customers’ expectations and requirements. Rotalock Valves AMP is the original manufacturer of Primore valves and is the market leader in HVAC valves. Brass Valves Automatic machine offers the same quality, reliability, and variety found in our steel valves in our UL recognized brass valve line. Brass provides the same level of performance, but with a greater measure of corrosion resistance. Choose our non-back seating valves for optimum flow and minimal pressure drop, or choose our back seating valves for maximum serviceability. Steel Valves AMP offers of a full line of UL recognized steel shut-off valves. Valve body sizes are available from ¾” (0.75”) through 1 ¾” (1.75”). Standard connections are available in numerous types, configurations, sizes, and locations to fit the individual needs of our customers. Adapters AMP offers a wide variety of steel and brass adapter assemblies. Our adapters are available with nearly any combination of fittings available in our valves. Companion Parts Seal caps, stem caps, seal nuts, seals, gaskets, packing, gland nuts, washers, valve cores, and copper tubes are just some of the many companion parts Automatic Machine provides for use in conjunction with our valves and adapters. All components are designed for optimum performance and compatibility. Today AMP provides product to leading original equipment manufacturers on six continents. Coatings and Corrosion Protection To protect our steel assemblies Automatic offers a variety of coatings including tin, zinc, nickel, and copper. The coatings are designed to offer up to 500 hours of salt spray corrosion protection, per ASTM-B117. Call us at 508-822-4226 to request a quote or click the button on the right. Request a Quote Annealing Assembly Brazing HVAC & Refrigeration Products Precision Machined Products Request a Quote Download Catalog Download Brochure Request FREE Brazing Sample ISO CERTIFIED SINCE 1997 ALL PRODUCTS MADE IN USA USING SUSTAINABLE MANUFACTURING AUTOMATIC DELIVERS! Delivery and Logistics Services QUICK CONTACT 400 Constitution Drive Taunton, MA 02780 Get Directions Phone: 508-822-4226 Fax: 508-822-4476 Email sales@ampcomp.com © Copyright - Automatic Machine Products Request a Quote