The John Blue DP-74.1 Medium-Pressure Diaphragm Pump is engineered for agricultural and industrial applications, including horticulture, lawn care, nurseries, car washes, air blast orchards/vineyards, and poultry houses. Its three-diaphragm design ensures consistent performance, and it offers versatile mounting options: PTO drive, gasoline engine, electric motor, or hydraulic motor. The pump features anodized aluminum fluid ends and stainless steel check valves, providing durability against harsh chemicals and abrasion. All moving parts are submerged in oil, enhancing reliability, and the chemical-resistant elastomer diaphragms extend the pump's lifespan even with aggressive chemicals.
- Maximum Flow: 7.4 GPM
- Maximum Pressure: 580 PSI
- Maximum Speed: 550 RPM
- Maximum Power: 2.5 HP
- Maximum Temperature: 140°F
- Suction Hose Diameter: 1″
- Discharge Hose Diameter: 1/2″ NPT
- Weight: 16.0 lbs
- Lubrication Oil: 30 SAE
- Model: DP-74.1
- Maximum Flow: 7.4 GPM
- Maximum Pressure: 580 PSI
- Maximum Speed: 550 RPM
- Maximum Power: 2.5 HP
- Maximum Temperature: 140°F
- Suction Hose Diameter: 1″
- Discharge Hose Diameter: 1/2″ NPT
- Weight: 16.0 lbs
- Lubrication Oil: 30 SAE