423-884-3049 info@keystonemfg.net

Thermal Actuators and Thermostatic Products

Thermal Actuators

Thermostats

Control Valves

CNC Machining

Egineering

 

Keystone Manufacturing and Engineering is a leader in Thermal Actuators, Thermostats, Control Valves and Thermostatic Assemblies. Our thermal products are used in a wide variety of industries. Automotive, HVAC and plumbing, transportation, and construction equipment manufacturers are just a few of the many different industries being served by our products. Every thermal actuator, valve, and thermostatic assembly is custom designed and engineered for each customer’s application. Contact one of our engineers today to discuss your next project.

When you need a special part designed or produced rely on Keystone to provide access to the best equipment and most experienced engineers.  We offer a full line of services such as 3D Modeling, CAD Design, Engineering and Parts Manufacturing.

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Design and Manufacturing

A Family Owned Business. Made In America. Made in Tennessee

Keystone takes enormous pride in being a family owned business which has operated as a debt free company since its inception.

Keystone is also proud to do our part to help here at home. We believe a strong America will benefit Keystone, it’s employees, it’s vendors, and the community at large. All raw materials used at Keystone are exclusively domestic materials made here in America. Keystone is proud to be able to claim that 99% of the parts and material used in our products are Made In America.

Thermal Actuators, Thermostatic Products, Design and Manufacturing

Keystone takes enormous pride in being a family owned business which has operated as a debt free company since its inception.

Keystone is also proud to do our part to help here at home. We believe a strong America will benefit Keystone, it’s employees, it’s vendors, and the community at large. All raw materials used at Keystone are exclusively domestic materials made here in America. Keystone is proud to be able to claim that 99% of the parts and material used in our products are Made In America.