Watson McDaniel

Our History

For over 140 years, Watson McDaniel has been manufacturing a wide range of steam specialty and fluid products for the industrial marketplace. These time-tested products have made the operation of steam, compressed air, heat transfer and fluid systems substantially more effective and efficient.

Higher Standards

In 1995, Watson McDaniel received its ISO 9001 Quality Certification as industry recognition of our continued commitment to world class manufacturing, assembly and quality control procedures. This level of quality certification assures our customers unequaled dependability of our products. Our manufacturing facilities, with over fifty computer numerical controlled (CNC) machining centers, is considered the most modern in the industry.

Global Market

Watson McDaniel serves the global marketplace with a network of Manufacturers, Representatives, Distributors, Manufacturing Plants and Sales Offices located throughout the world. In 1997, a Manufacturing Plant and Sales Office was opened in Shanghai, China to fulfill the growing demands of steam specialty products in the Far East. The success of this operation has allowed us to quickly deliver products with competitive prices to our customers throughout this region.

How We Operate

The structure of our operation affords us the ability to give highly personalized attention to each and every customer. We continually strive to provide ultimate customer service and product reliability while responding immediately to our customers' requests and detailed needs. Watson McDaniel welcomes the opportunity to work with your company so that we may help to make all of your steam system and fluid applications the best that they can be.


Watson McDaniel W91 Direct-Operated Temperature Regulator. 1/2" W91-X-08S15-12N, 3/4" W91-X-08S15-13N, 1" W91-X-08S15-14N, 1-1/4" W91-X-08S15-15N, 1-1/2" W91-X-08S15-16N, 2" W91-X-08S15-17N.

Watson McDaniel W91 Series Self-Operated Temperature Regulator, NPT

Regular price $1,421.00
Watson McDaniel W94 Series Direct-Operated Temperature Regulating Heating Valve.

Watson McDaniel W94 Series Self-Operated Temperature Regulator, NPT

Regular price $1,604.00
Watson McDaniel W91 Direct-Operated Temperature Regulating Cooling Valve.

Watson McDaniel W91 Cooling Temperature Regulator, NPT

Regular price $1,665.00
Watson McDaniel W94 Series Cooling Temperature Regulating Valve

Watson McDaniel W94 Cooling Temperature Regulator, NPT

Regular price $1,880.00
Watson McDaniel W91 and W94 Brass Thermowell. W536S2, W536SE2, W536WE2, W535M2.

Watson McDaniel W91 &W94 Thermowell

Regular price $184.00
Watson McDaniel HB1000 Series NPT Pneumatic Control Valve

Watson McDaniel HB1000F NPT Pneumatic Control Valve

Regular price $196.00
Watson McDaniel HB1000F Series Flanged Pneumatic 2-Way Control Valve.

Watson McDaniel HB1000F CL150 Pneumatic Control Valve

Regular price $196.00
Watson McDaniel HB1000F Electronic Control Valve

Watson McDaniel HB1000F SK Series NPT Electronic Control Valve

Regular price $3,107.00
Watson McDaniel HB1000F Series Class150 SK Series Electronic Control Valve

Watson McDaniel HB1000F SK Series CL150 Electronic Control Valve

Regular price $3,495.00
Watson McDaniel series R relief and back pressure regulating valve. 1/2" R-12-N-4, R-12-N-3, R-12-N-2, R-12-N-1. 3/4" R-13-N-4, R13-N-3, R-13-N-2, R-13-N-2, R-13-N-1. 1" R-14-N-4, R-14-N-3, R-14-N-2, R-14-N-1. 1-1/4" R-15-N-4, R-15-N-3, R-15-N-2, R-15-N-1. 1-1/2" R-16-N-4, R-16-N-3, R-16-N-2, R-16-N-1. 2" R-17-N-3, R-17-N-2, R-17-N-1. 3" R-19-N-3, R-19-N-2, R-19-N-1.

Watson McDaniel R Series Relief & Back Pressure Valve

Regular price $175.00
Watson McDaniel series 10691 tight shut-off relief and back pressure regulating valve. 1/2" 10691-12-N-3-E, 10691-12-N-2-E, 10691-12-N-1-E, 10691-12-N-1-T, 10691-12-N-2-T, 10691-12-N-1-T, 10691-12-N-3-V, 10691-12-N-2-V, 10691-12-N-1-V. 3/4" 10691-13-N-3-E, 10691-13-N-2-E, 10691-13-N-1-E, 10691-13-N-3-T, 10691-13-N-2-T, 10691-13-N-1-T, 10691-13-N-3-V, 10691-13-N-2-V, 10691-13-N-1-V. 1" 10691-14-N-3-E, 10691-14-N-2-E, 10691-14-N-1-E.

Watson McDaniel 10691 Series Relief & Back Pressure Valve

Regular price $188.00
Watson McDaniel series WLD1800 guided float type liquid drainer. 1/2" x 1/2" WLD1813-N, WLD1823-N, WLD1833-N. 3/4" X 1/2" WLD1811-N, WLD1821-N, WLD1831-N. 3/4" X 3/4" WLD1812-N, WLD1822-N, WLD1832-N.

Watson McDaniel WLD1800 Guided Float Type Liquid Drainer

Regular price $355.00
Watson McDaniel series WLD1800R guided float type repairable liquid drainer. 1/2" x 1/2" WLD1813R-N, WLD1823R-N, WLD1833R-N. 3/4" X 1/2" WLD1811R-N, WLD1821R-N, WLD1831R-N. 3/4" X 3/4" WLD1812R-N, WLD1822R-N, WLD1832R-N.

Watson McDaniel WLD1800R Guided Float Type Repairable Liquid Drainer

Regular price $623.00
Watson McDaniel WLD1400 Series Liquid Drainer. WLD1412-N-065, WLD1412-N-145, WLD1412-N-225, WLD1413-N-065, WLD1413-N-145, WLD1413-N-225, WLD1414-N-065, WLD1414-N-145, WLD-1414-N-225, WLD-1414-N-300

Watson McDaniel WLD1400 Liquid Drainer

Regular price $334.00
Watson McDaniel WSSCV NPT Stainless Steel Check Valve. 1/2" NPT WSSCV-12-N-0, WSSCV-12-N-5. 3/4" NPT WSSCV-13-N-0, WSSCV-13-N-5. 1" NPT WSSCV-14-N-0, WSSCV-14-N-5. 1-1/4" NPT WSSCV-15-N-0, WSSCV-15-N-5. 1-1/2" NPT WSSCV-16-N-0, WSSCVQF-16-N-0, WSSCV-16-N-5. 2" NPT WSSCV-17-N-0, WSSCV-17-N-5, 2-1/2" NPT WSSCV-18-N-0, WSSCV-18-N-5. 3" NPT WSSCV-19-N-0, WSSCV-19-N-5.

Watson McDaniel WSSCV Series Stainless Steel NPT Check Valve

Regular price $102.00
Watson McDaniel series AE1800 air eliminator. 1/2" x 1/2"AE1813-N, AE1823-N, AE1833-N. 3/4" X 1/2" AE1811-N, AE1821-N, AE1831-N. 3/4" X 3/4" AE1812-N, AE1822-N, AE1832-N.

Watson McDaniel AE1800 Air Eliminator

Regular price $330.00
Watson McDaniel series AE1800R repairable air eliminator. 1/2" x 1/2"AE1813R-N, AE1823R-N, AE1833R-N. 3/4" X 1/2" AE1811R-N, AE1821R-N, AE1831R-N. 3/4" X 3/4" AE1812R-N, AE1822R-N, AE1832R-N.

Watson McDaniel AE1800R Repairable Air Eliminator

Regular price $578.00
Watson McDaniel AV813 Air Eliminator

Watson McDaniel AV813 Air Eliminator

Regular price $212.00
Watson McDaniel WFLV Flash Recovery Vessel. 6" Diameter WFLV-6-18-F150, 8" Diameter, WFLV-8-20-F150, 12" Diameter, WFLV-12-21-F150, 16" Diameter, WFLV-16-22-F150.

Watson McDaniel WFLV Flash Steam Recovery Vessel

Regular price $3,325.00
Watson McDaniel WFLH horizontal flash tank. WFLH-16-N, 12" diameter. WFLH-17-N, 16" diameter. WFLH-18-F150, 16" diameter. WFLH-19-F150, 20" diameter. WFLH-20-F150, 24" diameter. WFLH-22-F150, 36" diameter.

Watson McDaniel WFLH Flash Steam Recovery Vessel

Regular price $5,969.00
Watson McDaniel VCC Series Condensate Cooler. VCC-6-18-F150, VCC-8-20-F150, VCC-12-21-F150, VCC-16-22-F150.

Watson McDaniel VCC Condensate Cooler

Regular price $8,228.00
Watson McDaniel AV2000 Thermostatic Air Vent. 1/2" AV2001-12-N, AV2003-12-N. 3/4" AV2001-13-N, AV2003-13-N.

Watson McDaniel AV2000 Thermostatic Air Vent

Regular price $286.00
Watson McDaniel WVBSS Series Vacuum Breaker, 1/2" WVBSS-12-N

Watson McDaniel WVBSS Vacuum Breaker

Regular price $145.00
Watson McDaniel series CIY cast iron y-strainer.

Watson McDaniel CIY Series, Cast Iron "Y" Strainer

Regular price $23.00