Hypro/Pentair is no longer distributing the 9910 series of diaphragm pumps, components, 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, AR503-GR3/4-GCI **

The AR503-GR3/4-GCI (9910-D503GRGI34)  diaphragm pump is widely used in the commercial, industrial, and agricultural sprayer industries. With a flow rate up to 14.3 gpm and a max pressure of 350 psi, it is optimal for small or medium-sized sprayers, assisting in the targeted distribution of your liquid product onto desired surfaces for consistent, even coverage every time. This model is equipped with a gearbox with a 3/4” hollow shaft for attaching to 5 to 6.5 hp engines.

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• Max flow: 14.3 gpm
• Max pressure: 580 psi
• Max RPM: 550
• Includes gearbox with ¾" hollow shaft to mount on 5 to 6.5 hp engines and RM40S pressure regulator
• Port sizes: 1-¼" HB inlet, ½" NPT outlet
• Pump shaft rotation: CW and CCW
• Diaphragms: 3, semi-hydraulic, BlueFlex material
• Housing: Anodized aluminum
• Head & manifold material: Plastic coated aluminum
• Max fluid temperature: 140°F
• Weight: 41 lbs