GURU® DL2.1 CH & CHS

484-04-84

DOWNLOAD REQUEST QUOTE
The GURU® CH & CHS 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 the typical compressor before damage can occur. Resetting and rearming the GURU® Plug is easily accomplished by simply reheating the cartridge and utilizing our GURU® Flag and Clip tool with slotted actuator feature. This feature prevents the GURU® Plug from triggering open again while refilling the cooling system with cold water.
Both are used for water cooled air compressor head freeze protection. The GURU® CHS adapts to Gardner Denver’s compressor set cooling systems. Most common on EMD’s SD70 locomotives.
  • Thermal actuator sensing surface is the only wetted part
  • Easily retrofits into water-cooled air compressor heads
  • Flanged and 2” NPT threaded styles
  • All moving parts are stainless steel - long service life
  • Design excludes cooling water chemicals and other debris from moving parts
  • 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
  • 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 set-point
  • Rapid draining
  • Easy system refill
  • Easy maintenance and field testability
  • 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
Series GURU DL 2.1 TYPE CH
Description GURU DL 2.1 TYPE CH
Opening Temperature 40°F (4.4°C)
Closing Temperature 50°F (10°C)
Body Material Stainless Steel
Release Temperature 40°F
Isometric View Download
Front View Download
Top View Download
Side View Download

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