Models 31820-Series 31821-Series - Jabsco - #1

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Models 31820,31821 Series NOTE: Viton equipped models are not suitable for potable water applications. * Viton is a registered trademark of DuPont Dow Elastomers L.L.C. ** Santoprene is a registered trademark of Monsanto. Construction Equipment Washdown Spray Equipment Road Rollers Parts Washing FEATURES • Sealless • Run Dry Ability • Self-Priming • Thermal Overload Protected Motor • Corrosion Protected Motor • Snap-in 1/2" (13 mm) Dia. Port Adaptors • Conforms to Electromagnetic Compatibility 89/336/EEC and Machinery Directive 89/392/EEC, EN50081-1 • Easy Installation • Flow to 3 GPM/12 LPM • Low Amp Draw • Compact Size • Quiet Running INDUSTRIAL DIAPHRAGM PUMPS Commercial Duty, 3 GPM/12 LPM 31820-0492 3 (12) 12 Vdc YES N/A N/A 5 15 31820-0494 3 (12) 24 Vdc YES N/A N/A 2.5 7.5 31821-0492 3 (12) 12 Vdc YES 25 (1.7) 40 (2.8) 5 15 31821-0494 3 (12) 24 Vdc YES 25 (1.7) 40 (2.8) 2.5 7.5 Protective Pressure Switch Settings Recommended Models Flow Coated Nominal psi (bar) AMP Draw Fuse/Breaker GPM (LPM) Voltage Motor Cut-In Cut-Out @ 10 psi Sizes SPECIFICATIONS Pump Body: Glass Filled Polypropylene Elastomers: Santoprene** Diaphragm, Valves of Viton* Hardware: Stainless Steel Pump Design: Multi-Chamber Diaphragm Suction Lift: Self-Priming to 10 ft (3 m) (wet) 5 ft (1.5 m) (dry) min. Duty Cycle: Continuous, Maximum 40 psi (2.8 bar) at Ambient of 130° F (54.4° C) Ports: 1/2" (13 mm) Hose Barb and 1/2" (13 mm) Straight Pipe Thread Motor: Permanent Magnet with Thermal Overload Protection Temperature: Liquid temperature range is 45°F (7°C) to 130°F (54.4°C) Viscosity: 250 centipoise maximum Shipping Weight: 7 lb (3.2 kg) approx. (12/24 V models) APPLICATIONS This pump provides excellent service in the following applications. CONSTRUCTION: Water supply pump to the spray bars of road rollers and other compaction equipment, street sweepers, and truck mounted dust control systems. AGRICULTURAL: Supply pump for herbicide and pesticide spraying equipment. INDUSTRIAL: Fluid transfer applications for mild acids and bases. Chemical feed pump. Washing fluid supply pump in parts washing systems. Machine coolant pump. Concrete saw lubricant supply pump. Recirculating pump in filtering systems. Models 31820-Series 31821-Series