ThermOmegaTech® Thermostatic Drain Valve for Locomotives GURU®DL2.1

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Thermostatic Drain Valve for Locomotives - GURU®DL2.1 - ThermOmegaTech®
Warminster, PA, United States
Thermostatic Drain Valve for Locomotives
GURU®DL2.1
Thermostatic Drain Valve for Locomotives GURU®DL2.1
Operation The GURU® DL2.1 is the most widely used and proven locomotive freeze protection valve in the world. It may be thought of as an automatic freeze-out plug with one important difference: The stainless steel GURU® Cartridge releases itself from its body at a pre-set water temperature (35°F or 40°F), rather than being forced out by the tremendous pressure of expanding ice. This provides almost a full one inch bore to rapidly drain a typical locomotive’s engine coolant system before damage can occur. Benefits Will not trip or dump while locomotive is running Fully automatic – it never forgets to activate freeze protection Completely mechanical – No electrical or air connections Not affected by air flow or air temperature surrounding valve – releases only when cooling water reaches setpoint Rapid draining Easy system refill Models available to convert existing freeze protection Easily tested in field Slotted actuator feature prevents nuisance dumps when refilling cooling system with cold water Unit automatically rearms after filling and reheating Optional domed anti-tamper cap eliminates ability to tamper with the valve resetting stem Design Features Actuator sensing surface is the only wetted part Long service life: All moving parts are stainless steel Design excludes cooling water chemicals and other debris from moving parts Easy maintenance Several body styles available for various applications: 1-1/4 NPT, tee, and flanged tee. Paint mask minimizes accidental paint-ins Knob on cartridge for easy installation and removal even in awkward locations Choice of release temperatures: 35°F or 40°F Applications Locomotive engine and compressor set cooling systems Stand-by diesel heating circulators Back-up protection in event of shut-down Hot water cab heater lines On-board tanks and piping

Operation

The GURU® DL2.1 is the most widely used and proven locomotive freeze protection valve in the world. It may be thought of as an automatic freeze-out plug with one important difference: The stainless steel GURU® Cartridge releases itself from its body at a pre-set water temperature (35°F or 40°F), rather than being forced out by the tremendous pressure of expanding ice. This provides almost a full one inch bore to rapidly drain a typical locomotive’s engine coolant system before damage can occur.

Benefits

  • Will not trip or dump while locomotive is running
  • Fully automatic – it never forgets to activate freeze protection
  • Completely mechanical – No electrical or air connections
  • Not affected by air flow or air temperature surrounding valve – releases only when cooling water reaches setpoint
  • Rapid draining
  • Easy system refill
  • Models available to convert existing freeze protection
  • Easily tested in field
  • Slotted actuator feature prevents nuisance dumps when refilling cooling system with cold water
  • Unit automatically rearms after filling and reheating
  • Optional domed anti-tamper cap eliminates ability to tamper with the valve resetting stem

Design Features

  • Actuator sensing surface is the only wetted part
  • Long service life: All moving parts are stainless steel
  • Design excludes cooling water chemicals and other debris from moving parts
  • Easy maintenance
  • Several body styles available for various applications: 1-1/4 NPT, tee, and flanged tee.
  • Paint mask minimizes accidental paint-ins
  • Knob on cartridge for easy installation and removal even in awkward locations
  • Choice of release temperatures: 35°F or 40°F

Applications

  • Locomotive engine and compressor set cooling systems
  • Stand-by diesel heating circulators
  • Back-up protection in event of shut-down
  • Hot water cab heater lines
  • On-board tanks and piping
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Technical Specifications

  ThermOmegaTech®
Product Category Industrial Valves
Product Number GURU®DL2.1
Product Name Thermostatic Drain Valve for Locomotives
Primary Material Stainless Steel
Number of Ports 2 to 3
Valve Type Control Valve; Drain; Safety
Media Water; Cold Water  
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