Replacing the CDS-John Blue DP-392 Diaphragm Pump (item number DP-392) is the CDS-John Blue DP-407.1 Diaphragm Pump. Employ it inside your sprayer systems requiring medium to high pressure. Rated with a maximum pressure of 725 PSI and a flow rate of 40.7 GPM, the DP-407.1 is a stellar component in your assemblies that deploy liquids in agricultural, commercial and industrial settings.

**This pump has been replaced by DP-407.1. Parts are still available.** 

The CDS-John Blue High Pressure Diaphragm Pumps are an excellent choice for high-pressure sprayers, such as air blast sprayers and poultry house washers and industrial machinery. These three and four diaphragm semi hydraulic diaphragm pumps are designed to ensure a perfect mechanical balance and better volumetric distribution of the liquid. The CDS-John Blue High Pressure Diaphragm Pumps are factory equipped with the unique pulsation dampening system with 34 holes that absorbs pulsation pressure on all pistons equally. All fluid end-housing components are anodized aluminum. The valves are stainless steel with exclusive spheric section shaped design for perfect sealing. Our diaphragms are made from chemical resistant elastomers, which increases the pump's life even when they are used with aggressive agricultural and industrial chemicals. ¥ 4-diaphragm designs ¥ Ideal for air blast sprayers, poultry house washers and industrial machinery ¥ All fluid end-housing components are anodized aluminum ¥ Valves are stainless steel with exclusive spheric section shaped design for perfect sealing ¥ Diaphragms are made from chemical resistant elastomers, which increases the pump's life even when they are used with aggressive agricultural and industrial chemicals

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• Max flow: 39.2 gpm
• Max pressure: 725 psi
• Max speed: 550 rpm
• Shaft: Dual 1-3/8" male 6 spline PTO shaft
• Port sizes: 1-1/2" HB inlet, 3/4" NPT outlet
• Pump shaft rotation: CW and CCW
• Diaphragms: 4, semi-hydraulic, Desmopan® material
• Housing: Anodized aluminum
• Recommended control unit: SC-1480-3 (remote mount)
• Max fluid temperature: 140°F
• Weight: 79 lbs