Comet 6084.0080.00 MC25GR Diaphragm Pump – OEM Replacement Pump
Part Number: 3975
Category: Agricultural Pumps → Diaphragm Pumps → Comet Pumps
Type: Comet 6084.0080.00 MC25GR Diaphragm Pump
The Comet 6084.0080.00 MC25GR Diaphragm Pump (Part #3975) is a professional-grade gear-driven diaphragm pump designed for lawn care, pest control, agricultural spraying, and chemical application systems. Manufactured by Comet Pumps, the MC25GR delivers up to 5.0 GPM and 350 PSI while providing reliable performance, excellent chemical compatibility, and extended diaphragm life through Comet's innovative Duraphragm Technology.
Key Features & Benefits
- Genuine Comet Pumps OEM replacement pump
- Delivers up to 5.0 GPM flow rate
- Maximum operating pressure of 350 PSI
- Advanced Duraphragm Technology
- Includes gearbox and pressure regulator
- Built-in pressure accumulator
- Anodized aluminum wetted components
- Designed for agricultural and commercial spraying
- Two-diaphragm design
- Smooth and reliable operation
- Excellent chemical compatibility
- Extended diaphragm service life
- Ideal for lawn care and pest control applications
Technical Specifications
Part Number: 3975
Manufacturer: Comet Pumps
Manufacturer Part Number: 6084.0080.00
Model: MC25GR
Pump Type: Gear-Driven Diaphragm Pump
Flow Rate: 5.0 GPM (4.9 GPM Maximum)
Maximum Pressure: 350 PSI (362 PSI Maximum)
Horsepower Requirement: 1.5 HP
Operating Speed: 650 RPM
Shaft Size: 17mm
Inlet Port: 3/4"
Outlet Port: 3/8"
Bypass Port: 1/2"
Number of Diaphragms: 2
Wetted Material: Anodized Aluminum
Pressure Accumulator: Standard
Includes:
- Gearbox
- Pressure Regulator
- Mounting Rails
OEM Replacement: Yes
Duraphragm Technology Advantages
Comet's Duraphragm Technology helps maximize diaphragm life by:
- Shielding diaphragms from direct chemical contact
- Distributing vacuum loads across the entire diaphragm surface
- Reducing localized stress points
- Minimizing failures caused by restricted suction lines
- Improving pump reliability
- Extending maintenance intervals
- Reducing operating costs
Ideal Applications
Lawn Care
Perfect for:
- Liquid fertilizer application
- Weed control treatments
- Turf management
- Lawn spraying systems
Pest Control
- Insecticide application
- Mosquito control systems
- Vegetation management
- Commercial pest control operations
Agricultural Spraying
- Herbicide application
- Crop protection spraying
- Fertilizer delivery
- Specialty crop treatments
Commercial Spraying
- Chemical transfer systems
- Spray rigs
- Utility spraying equipment
- Property maintenance systems
Performance Benefits
- High-pressure spraying capability
- Consistent flow output
- Extended diaphragm life
- Reliable chemical handling
- Smooth pressure delivery
- Reduced maintenance requirements
- Long service life
- Professional-grade performance
Common Applications
- Lawn care spray rigs
- Pest control systems
- Agricultural sprayers
- Utility vehicles
- Skid-mounted spray systems
- Commercial spraying equipment
- Property maintenance vehicles
- Chemical application systems
Installation Notes
- Mount the pump securely using the supplied mounting rails.
- Verify proper shaft alignment and drive configuration.
- Use chemical-resistant plumbing and fittings.
- Maintain a clean suction filter to maximize diaphragm life.
- Prime the pump before operation.
- Adjust the pressure regulator according to application requirements.
- Test for proper pressure, flow, and leak-free performance.
Important: Regularly inspect suction filters and hoses. Restricted inlet flow can increase vacuum loads and reduce pump efficiency.
Maintenance Recommendations
- Flush the pump thoroughly after chemical use.
- Clean suction strainers regularly.
- Inspect diaphragms during scheduled maintenance.
- Monitor pressure and flow performance.
- Check accumulator operation periodically.
- Replace worn components with genuine OEM parts.
