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The Magnum GURU® Plug is a higher discharge capacity version of the standard GURU® Plug. The Magnum GURU® Plug is a self-operating thermostatic drain valve that responds to engine coolant temperature and will pop open and drain when coolant reaches the set-point (35°F or 40°F). This provides almost a full 1.2 inch bore to rapidly drain a locomotive before freeze damage can occur. Resetting and rearming the Magnum GURU® Plug is easily accomplished by simply reheating the cartridge and utilizing the slotted actuator feature with the GURU® Flag and Clip tool. This feature prevents the GURU® Plug from triggering open again while refilling the cooling system with cold water.
- Locomotive engine cooling systems
- Stand-by diesel heating circulators
- Back up protection in event of shutdown
- On-board tanks and piping
- Exclusive Thermoloid® thermal actuator
- Actuator sensing surface is the only wetted part
- Design excludes cooling water chemicals and other debris from moving parts
- Long service life: All moving parts are stainless steel
- Available in modified 1-1/4” NPT tee or flanged tee body styles
- Paint mask minimizes accidental paint-ins
- Knob on cartridge for easy installation and removal even in hard to reach locations
- Drains twice as fast as the standard GURU® Plug
- Will not trip or dump while locomotive is running
- Straight SAE threads and O-ring seals provide for easy field maintenance and testing
- Easy installation
- Completely mechanical - No electrical or air connections required
- Not affected by air flow or air temperature - releases only when cooling water reaches set-point
- Easy system refill
- 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 | MAGNUM TYPE-S |
| Description | MAGNUM TYPE-S |
| 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 |
