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Montour Industrial Supply
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Watson McDaniel

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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.
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In 1995, Watson McDaniel received its ISO 9001 Quality Certification as industry recognition of continued commitment to world class manufacturing, assembly and quality control procedures. This level of quality certification assures our customers unequaled dependability of our products. Their manufacturing facilities, with over fifty computer numerical controlled (CNC) machining centers, is considered the most modern in the industry.
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Steam Traps
  • Thermodynamic
  • Thermostatic
  • Float and Thermostatic
  • Inverted Bucket
  • Universal Style Steam Traps
  • Clean Steam
  • Bi-Metallic
  • Manifold
  • Radiator
  • Accessories for Steam Traps
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Pumps
  • Complete - PMP Pump System
  • Stand Alone Pressure Motive Pump
  • Electric Pumps
  • ​Pump-Trap Combinations
  • Sump Drainers
  • Accessories for PMPs
    • Gauge Glass
    • Cycle Counter
    • ASME Code Stamp
    • Insulation Cover
    • Pre-pipe
    • Replacement
    • Mechanisms
    • Rebuilt
    • Mechanisms
    • Retrofit
VIEW CONDENSATE PUMPS
Regulators
  • HD/HSP Series: Primary choice for pressure reduction or temperature control in steam application. Various pilots available for reducing pressure, controlling temperature, and other applications.
  • O-Series: General Purpose regulator for pressure reducing applications. Primarily used for Steam, Water, Air, and other liquids and gases. Cast Iron and Stainless Steel version available.
  • 403 Series: The 403 Series are pilot-operated, piston-actuated, pressure regulators primarily used for reducing pressure in STEAM systems. Available with an optional internal sensing line which simplifies installation. Piston Operated regulators are more compact in size when compared to typical diaphragm actuated regulators.
  • 455 Series: The 455 Series is an alternative to the HD Pilot Operated type regulator. These Direct Operated Regulators are less susceptible to fouling from dirt and scale. Primarily used for Steam pressure reducing applications.
  • B-Series: Primary regulator choice for pressure reducing applications, Water, Air, and other liquids and gases. Soft-seating provides tight shut-off, while the balanced plug and disc design allows for wider range of pressures and flows.
  • W91/94 Self-Op Temperature: They are recommended for controlling temperature on relatively stable systems, where small valve stroke modulations will correct temperature drift. Where sudden or large load changes, or rapid temperature changes occur, a pneumatically-actuated Control Valve should be considered.
  • Relief & Back Pressure Valves: Relief & Back Pressure Regulators prevent over-pressurization by relieving upstream pressure to a lower pressure region. They are designed to open and allow liquid to flow when a specific set pressure is reached. NOT FOR SAFETY RELIEF OR STEAM USE. Commonly used in pump bypass.
  • Ambient Regulator: The Ambi-Regulator is similar to the W91/94 Series, except the bulb and capillary are removed. This allows the thermal assembly to sense the surrounding conditions which opens and closes the valve based on ambient temperatures. Primarily used on steam tracing lines and can also be used as a freeze protection device on water lines.
​VIEW CATALOG
control Valves
  • 2-Way Control Valves: 2-Way valves are the most common type of control valves. These devices are capable of modulating flow at varying degrees between minimal flow and full capacity in response to a signal  from external control device. Available with Pneumatic or Electrical Actuators.
  • Control Loop Accessories: Controllers and sensors devices to help control valve function properly and more efficiently.
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Liquid Drainers
  • Float Type Liquid Drainers: Float Type Liquid Drainer traps use a float connected by a linkage to the valve plug to discharge condensate from the system.
  • Guided Float Liquid Drainers: The WLD1800/WLD1800R liquid drainers are all stainless steel and are piped vertically.
  • Other Drainer Types: Invert Bucket Drainers are used for the removal of water and oil from compressed air systems. Disc Type Drainers can be used for outdoor application subject to freezing.
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Instantaneous Hot Water Heaters
Heat Miser:  The Heat Miser is an Instantaneous Steam to Water Heater which produces hot water from steam. Our Heat miser eliminates the need for large hot water storage tanks and saves significant energy which is required for large standing tanks of hot water.
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Condensate Drainage Options
Float & Thermostatic Steam Trap (gravity drainage option)
  • All Stainless Steel Internals
  • Body Material options include Ductile Iron, Carbon Steel and Stainless Steel

Pump-Trap Combination (pumped drainage option)
  • Patented Snap-Assure mechanism with stainless steel wear parts
  • Ductile Iron Tank
  • Gauge Glass
  • Motive PRV, Drip Trap, and Motive and Vent Piping

Common Optional Items
  • High-limit Steam Isolation Package including dedicated sensor and actuated ball valve
  • HDP Pressure Reducing Valve for reducing inlet steam supply pressure to the control valve
Pipeline Accessories
  • Stainless Steel Check Valves
  • Safety Relief Valves
  • Steam Trap Test Valves
  • Steam Trap Diffusers
  • Exhaust Heads
  • Vacuum Breakers
  • Thermostatic Air Vents
  • Y-Strainers
  • Suction/Mixing Tees
  • Syphon Pumps and Ejectors
  • Air Eliminators
  • Air/Steam Moisture Separators
  • Freeze and Scald Protection Valves
  • Drip Pan Elbows
  • Flash Steam Recovery Vessels
  • Flash Arrestors
  • Vertical Condensate Coolers
  • Blowdown Separators
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Kits & Parts
  • Steam Trap Kits: Kits and parts for all steam traps: Thermodynamic, Thermostatic, Float and Thermostatic, Inverted Bucket, Clean Steam, and Bi-Metallic.
  • Pressure Motive Pump Kits: Kits and parts for all pump sizes: Pressure motive pumps, Sump drainer, Skid-Mounted systems, Combination, and Electric pums.
  • Regulator Kits: Kits and part for all regulators: Pilot-Op, Direct-Op, Self-Op, Piston actuated, and Back-pressure relief valves.
  • Control Valve Kits: Kits and parts for 2 way control valve: HB series.
  • Liquid Drainer Kits: Kits and part for all liquid drainers: Float type, Inverted bucket type, Thermodynamic type, and Guided-Float type.
  • Air Eliminator Kits: Kits and parts for air eliminators.

​VIEW CATALOG
Contact us for more information or if you are ready to place an order.

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412-262-7460
1400 2nd Ave
Coraopolis, PA 15108
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