Watson McDaniel Steam Products
Made in the USA Since 1878

Manufacturer of High-Quality Steam & Fluid Specialty Products


Phone: 847-356-0566   Fax: 847-356-0747      E-Mail: sales@mmcontrol.com

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Watson McDaniel Specialty Products

Watson McDaniel offers a wide range of specialty products for special purpose steam and fluid applications.

Stainless Steel Check Valves

SS Check Valves

Watson McDaniel Check Valves are available in all 316 SS construction in 1⁄2" thru 3" sizes and are specifically designed to handle the difficult environments associated with steam and hot condensate service. As a standard procedure, check valves should be installed on the discharge side of all steam traps to eliminate backflow into the trap. With the specially designed 1⁄4 PSI low cracking pressure spring, these check valves come standard on all Watson McDaniel Pressure Motive Pumps.

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Safety Relief Valves

Watson McDaniel Safety Relief Valves
Pressure relief valve standards regarding design, installation, performance and certification are covered in codes developed by the American Society of Mechanical Engineers (ASME) in Section I (for power boilers) and Section VIII (for pressure vessels). Watson McDaniel Safety Relief Valves are ASME qualified for steam service and are available in Bronze and Cast Iron in 1/2" thru 6" sizes.


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Steam Trap Test Valves

Watson McDaniel Steam Trap Test Valves
Steam Trap Test Valves can be installed downstream of any steam trap to visually inspect the discharge of condensate from the traps. Available in Bronze and Stainless Steel up to 1" in size.



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Steam Humidifiers

Watson McDaniel Steam Humidifiers
Watson McDaniel offers a complete line of steam humidification products for controlling humidity in commercial offices, hospitals, warehouses and various types of industrial facilities.



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Watson McDaniel Separators
Separators are used for the removal of entrained moisture in steam and compressed air lines. Separators should be placed before all regulating valves to eliminate problems caused by water logging and wire drawing of the valve seats.



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Air Eliminators

Watson McDaniel Air Eliminators
Air Eliminators are used on tanks or piping systems to vent entrained air without allowing the liquid inside the tank or piping to escape. Available in Cast Iron and Stainless Steel.



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Thermostatic Air Vents

Watson McDaniel Thermostatic Air Vents
Thermostatic Air Vents purge unwanted air from steam systems which can inhibit the steam from entering process equipment, vessels and piping. Air vents should be placed at all high points in the system but primarily on all pieces of heat transfer equipment.



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Vacuum Breakers

Watson McDaniel Vacuum Breakers
Vacuum Breakers "break the vacuum" caused by the condensing of steam or draining of liquid. These are primarily positioned on the top of heat exchangers, allowing condensate to properly drain from the system.



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Watson McDaniel Ejectors
Ejectors are used for non-electric pumping of fluids or evacuating a tank or vessel of air or other gases. They are commonly used on sterilizing equipment for pre and post evacuation of the chamber.



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Suction / Mixing Tees

Watson McDaniel Suction-Mixing Tees
The Suction/Mixing Tee is a unique and specialized product used for blending, mixing, aeration or even heating by mixing steam and water together. Available in Cast Iron, Bronze and Stainless Steel.



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Freeze / Scald Protection Valves

Watson McDaniel Freeze or Scald Protection Valves

Freeze Protection Valves automatically open and dump liquid to protect equipment from freeze damage.

Scald Protection Valves automatically open and dump overheated liquid from a system to protect personnel from possible injury due to scalding.



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Exhaust Heads

Watson McDaniel Exhaust Heads
Exhaust Heads are used to separate entrained water from steam prior to being discharged directly to the atmosphere, preventing damage to rooftops and other equipment.



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Drip Pan Elbows

Watson McDaniel Drip Pan Elbows
Drip Pan Elbows are used to collect and remove condensate. Typically used with steam boilers, pressure relief valves, safety valves and steam pressure vessels and lines.



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Flash Tanks

Watson McDaniel Flash Steam Recovery Vessels
Flash Steam Recovery Vessels or Flash Tanks are installed in condensate return systems in order to capture and utilize the flash steam coming off the hot condensate. This flash steam is typically piped away for use on low pressure steam processes.



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Watson McDaniel Y-Strainers
Strainers remove scale and dirt from steam systems and are designed to protect critical components such as Regulators and Steam Traps from damage. These Y-Type Strainers are available in Cast Iron, Carbon Steel and Stainless Steel up to 4" in size.



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M&M Control offers a full line of Watson McDaniel Products.
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Phone: 847-356-0566   Fax: 847-356-0747      E-Mail: sales@mmcontrol.com




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WARNING: Some of the products we sell can expose you to chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Contact your sales rep or go to www.P65Warnings.ca.gov for more information.

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M&M Control Service, Inc. does not represent or claim any affiliation, association, connection or approvals with or from any manufacturer unless stated. We fully acknowledge all trademarks and/or names which are pictured and/or listed throughout the M&M Control Service, Inc. Website.

(PowersTM, also known as, POWERS REGULATOR, MCC POWERS, POWERS-FIAT, POWERS PROCESS CONTROLS, CRANE POWERS and POWERS, a Watts Industries Company. The POWERS trademark is owned by Powers, A Division of Watts Water Technologies, Inc. M&M Control Service, Inc. Is a Stocking Distributor for PowersTM)

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