ML Series Machine lube Pumps
The ML series pumps are designed for circulating lubrication oil in a closed-loop machine lube system. The ML-2 and the ML-4 are built on the rugged technology of the XD line of pumps. Designed to provide a steady flow of lubrication to critical machine parts through a series of lube-point-nozzles.
For a PDF Data Sheet on this pump Click Here.
ML Models
| Part# | Freq. | Max. Flow Rate |
| 7520, ML-2 |
60Hz 50Hz |
2.6 GPM / 9.8 LPM 2.2 GPM / 8.3 LPM |
| 7530, ML-4 |
60Hz 50Hz |
4.0 GPM / 15.1 LPM 3.4 GPM / 12.9 LPM |
Benefits of Whisper-Vane Technology
Varnas quiet running Whisper-Vane Technology used in the ML pump is better suited for high viscosity lubricants typical in power transmissions. The rotation of the pump creates cavities that open and close smoothly without the shearing effect found in gear pumps, thus reducing noise, aeration, and cavitation, as well as delivering clean pulseless flow.
Integrated Adjustable Bypass Valve
The built in adjustable bypass valve can be set to limit pump output pressure to 30-80psi. This makes is simple to set up the pump to provide the pressure required to a series of lube-point metering orifice fittings within a lubricant distribution systems. By sizing each flow restrictive orifice and then setting the bypass pressure at the pump, lubricant delivery can be optimized for each point within the powertrain.
Other Key Features:
- Direct coupled, IEC 3 phase AC TEFC motor
- Self-priming, positive displacement
- Field replaceable shaft seal
- Compact size and minimal weight
- SAE straight thread O-ring ports, -12 size
- Head orientation is field rotatable to 4 positions.
Wetted Materials
- Anodized Aluminum 6061-T6
- Phosphated Steel
- Rubber Viton V884
Industrial Applications:
- Gas and Wind Turbines
- Kidney-Loop Filtration
- Reduction or Increaser Gearboxes
- Energy Generation
- Conveyor and Augers
- Cement
- Recycling and Waste Processing
- Mining /Rock Crushers
- Textile
- Paper
- Hoisting and Lifting
- Chemical
To inquire about any of our pumps Click Here, or Call 888-676-7770.
Direct shaft couplings used in most Varna pumps eliminate the cost, bulk and limited life associated with traditional 'soft' couplings. While it takes careful design and precision manufacturing methods to get this to work, it produces a superior pump in all respects.
Customer Feedback "It has now been about a year since we switched to Varna pumps, and now I receive nothing but compliments about how quiet our vehicles are,”
Chief Mechanical Engineer Alan Arkus of AMP Electric Vehicles
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