MDDP19GN02 Macnaught Max Flow 3/4″ Air Operated Double Diaphragm Pump
Details
SKU: MDDP19GN02
Cross References: M-DDP19GN-02
Producer: Macnaught
Application: Industrial fluid transfer and process pumping
Features:
- Air operated double diaphragm pump — part of the Macnaught Max Flow Series, engineered for industrial-grade fluid transfer and process applications
- High-flow performance — delivers up to 34 gallons per minute with efficient air consumption
- 1:1 operating ratio — provides consistent output directly proportional to supplied air pressure
- Manufactured in Japan — precision-built for reliability in demanding industrial environments
- Handles challenging fluids — suitable for corrosive chemicals, oils, fuels, coolants, slurries, viscous liquids, and abrasive fluids
- Dry-run safe design — operates without liquid present and will not overheat
- Deadhead resistant — withstands closed discharge conditions without pump damage
- Self-priming capability — eliminates the need for manual priming during startup
- No inline lubrication required — reduces maintenance requirements and operating costs
- Optimized internal flow design — lightweight spool ensures faster, smoother pump cycling
- Easy maintenance access — air motor is easily accessible for quick and efficient servicing
- Durable construction — glass-filled polypropylene (PPG) casing with nitrile Buna-N (NBR) diaphragms and wetted components
- Slurry handling capability — transfers fluids with suspended solids up to 2 mm (0.08″)
- Quiet operation — rated at approximately 85 dB under ISO 1996 testing
- Complete installation kit included — air inlet ball valve and exhaust muffler supplied
- 5-year pump body warranty — backed by Macnaught for long-term durability and performance
Specifications:
- Maximum Flow Rate: 34 GPM
- Fluid Inlet / Outlet: 3/4″ FNPT
- Air Inlet: 3/8″ FNPT
- Operating Air Pressure: 30–100 PSI
- Maximum Discharge Pressure: 100 PSI
- Maximum Air Consumption: 45.9 SCFM
- Discharge Volume per Cycle: 0.092 gallons
- Suction Lift: 9.8 ft (dry) / 26.2 ft (wet)
- Liquid Temperature Range: 32°F – 140°F
- Diaphragm Material: Nitrile Buna-N (NBR)
- Casing Material: Glass-Filled Polypropylene (PPG)
- Weight: Approximately 7.1 lb
Product Documents:
Chemical Compatibility Chart (PDF)
Max Flow Series Instruction Manual (PDF)
Max Flow Pump Service Book (PDF)