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 PTRP Temperature Pilot. PTRP-940180S15, PTRP-940208S15, PTRP-940308S15, PTRP-0408S15, PTRP-940508S15, PTRP-940608S15, PTRP-940708S15, PTRP-940908S15, PTRP-941008S15, PTRP-941108S15, PTRP-941208S15, PTRP-941308S15, PTRP-941408S15.

Watson McDaniel PTRP-94 Temperature Pilot

Regular price $1,334.00
Watson McDaniel PTRP-LP-94 low pressure steam temperature pilot. PTRP-LP-940108S15, PTRP-LP-940208S15, PTRP-LP-940308S15, PTRP-LP-940408S15, PTRP-LP-940508S15, PTRP-LP-940608S15, PTRP-LP-940708S15, PTRP-LP-940908S15, PTRP-LP-941008S15, PTRP-LP-941108S15, PTRP-LP-941208S15, PTRP-LP-941308S15, PTRP-LP-941408S15.

Watson McDaniel PTRP-LP-94 Low Pressure Steam Temperature Pilot

Regular price $1,400.00
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