Hypro/Pentair is no longer distributing the 9910 series of diaphragm pumps and related parts; however, the pumps and repair parts are still available and will now feature factory labeling.

** When you order this pump, you will receive the most current version, AR403-SP **

For your medium pressure sprayer systems, install this Hypro/AR D403 Pump. Precision tooled to help deliver consistent pressure and sprayer coverage, your new unit is designed for systems used in agricultural applications. This pump handles a maximum pressure of 580 PSI and is designed to work in assemblies deploying herbicides, pesticides and liquid fertilizers, as well as other fluids requiring special care and handling.

Hypro medium pressure diaphragm pumps are recommended for spraying herbicides, pesticides, liquid fertilizers, and many other hard-to-handle fluids. Low-cost maintenance and almost wear-free operation make these pumps ideal for a wide variety of spraying jobs. Pressure and output are designed for optimum performance of small to medium-sized sprayers. Hypro medium pressure diaphragm pumps can be adapted for male 1-3/8" splined shaft, female 1-3/8" splined shaft, 1" solid shaft, or gear reduction drive options. Pumps include a pulsation dampener except for Models 9910-D303, D403, and D503s. See page 2 of manual for drive options. 

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• Max flow: 10.7 gpm
• Max pressure: 580 psi
• Max rpm: 550
• Port sizes: 1" HB inlet, 1/2" HB outlet
• Shaft: Flanged for shaft kit or gearbox
• Pump shaft rotation: CW and CCW
• Diaphragms: 3, semi-hydraulic BlueFlex, Desmopan® and Buna available
• Housing: Anodized aluminum
• Recommended pressure regulator: 9910-GR40
• Recommended gearbox: 9910-KIT1640 (AR1636) or AR1666 (updated pinion design) with 3/4" hollow shaft for mounting on 5 to 6.5 hp engines
• Max fluid temperature: 140°F
• Weight: 24 lbs