Description
The GRACO 659020 is a heavy-duty electric-operated double diaphragm (EODD) pump designed for industrial fluid transfer. It features an aluminum center section and TPE diaphragms, making it suitable for handling a wide range of chemicals and abrasive fluids. This pump is engineered for reliable, efficient, and low-maintenance operation in demanding environments.
Key Features:
- Electric-Operated Double Diaphragm (EODD) Pump
- Husky 3300e, 3″
- Aluminum center section, TPE diaphragms, TPE seat, Acetal ball
- Up to 220 gpm (not all sources specify; some list up to 1,136 L/min for air-operated variant, but for EODD, 220 gpm is referenced)
- Designed for integration with GRACO industrial fluid transfer systems
- High-speed gear ratio
- 7.5 HP AC motor, 240V
- End port BSP connections
- Seal-less design
- Runs dry, self-primes, stalls under pressure
- Low pulsation without costly dampeners
- Near 0 dB in-plant noise pollution
- Up to 80% energy reduction vs. pneumatic
- Accurate fluid metering with VFD controls*
- Long diaphragm life and minimal maintenance
Applications:
Industrial fluid transfer, chemical processing, mining, agriculture, and other demanding environments requiring reliable, low-maintenance pumping solutions.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
- Ensure proper alignment of inlet and discharge connections
- Verify electrical supply matches pump requirements (7.5 HP, 240V)
- Follow all local electrical and safety regulations
- Inspect diaphragms and seals before installation
- Prime the pump as recommended by the manufacturer
- Regularly check for leaks and wear, especially in abrasive applications
- Regularly inspect and replace diaphragms and seals as needed
- Monitor for unusual noise or vibration
- Keep the pump and surrounding area clean and free of debris
- Follow the manufacturers lubrication and maintenance schedule
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