AMOT
Houston-based maker, since 1948, of thermostatic and actuated temperature control valves, diesel engine safety shutdown systems and engine monitoring devices, incl. marine type-approved valves.
Houston, TX · Company
About
AMOT dates from 1948, when Elton Fox, trading as American Motors in Richmond, California, made the first wax-element thermostatic temperature control valve. In 1949 the company customised a thermostatic valve for Chris-Craft marine engines, and in 1954 it became AMOT Controls Corporation. A sales and manufacturing plant opened in Bury St Edmunds, UK, in 1963.
AMOT entered diesel engine safety in the 1980s to meet offshore safety requirements in the Gulf of Mexico, and later acquired Roda Deaco (2007), Chalwyn (2008), the Rigsaver line (2013) and Walton Engineering of St Albans, England (2025). It was owned by Roper Industries from 1991, became part of Indicor in 2023 and joined AMETEK in 2026. Its manufacturing sites hold ISO 9001 (Houston, UK) and ISO 14001 (UK) certification.
Products · 16 of 16
- Model G Actuated 3-Way Rotary Temperature Control Valve
- Motorized Thermostat
- EH Series 24VDC Electric Rotary Actuator
- Diesel Fuel and Gas Safety Shut-Off Valves
- Engine Speed Switches and Speed Sensors
- Chalwyn Spark Arrestors
- Engine Monitoring Instruments
- Thermostatic 3-Way Control Valves
- Thermostatic 2-Way Control Valves
- Combination Valves
- Air Intake Shut Off Valves (PASS)
- Master Safety Shutdown Device
- Flameproof Ex Alternators
- Air Start and Gas Fuel Shut Off Valves
- Gas Turbine Fuel Metering Valve
- Custom Control Valves and Application Engineered Solutions
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