ID
1349923
1-2 weeks delivery time
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The Flojet D3732E1311 Duplex II diaphragm pump is a 230V AC pump with a polypropylene body, EPDM diaphragm, and EPDM check valve, built with a high-pressure cam and no switch. It uses an external bypass system with a 50 PSI pressure bypass and has 3/8 inch NPT female inlet and discharge ports. The pump is self-priming up to 8 ft (2.4 m), can run dry without damage, operates on 50/60 Hz power, has a maximum fluid temperature of 140°F, and weighs 5 lbs.
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Flojet Duplex II Diaphragm Pump With External Bypass
The Flojet D3732E1311 is a Duplex II series diaphragm pump for liquid transfer and general industrial tasks such as spraying, cooling, circulation, filtration, and dispensing. It is built with a polypropylene pump body and EPDM elastomers, uses an external bypass to recirculate flow internally when pressure exceeds the bypass setting, and is intended for manual on/off operation (no integral switch).
Technical Specifications
Series Duplex II Pump Type Diaphragm Pump Body Material Polypropylene Diaphragm Material EPDM Check Valve Material EPDM Cam High Pressure Cam Switch No Switch Pressure Bypass 50 PSI Motor Voltage 230 Volts AC Frequency 50/60 Hz Inlet Port 3/8 inch NPT Female Discharge Port 3/8 inch NPT Female Self-Priming Up to 8 ft (2.4 m) Run Dry Capability Can run dry without damage Maximum Fluid Temperature 140�F Maximum Inlet Pressure 30 PSI (2.1 bar) Weight 5 lbs
Features
- External bypass system that bypasses internally when pressure is over 50 PSI
- Self-priming up to 8 ft (2.4 m) (vertical prime varies by fluid viscosity and installation)
- Run-dry capable without damage
- Pump head can be rotated in 90-degree increments to simplify plumbing
Product Details
- Designed to continue running until power is manually turned off (no switch).
- Not recommended for continuous duty service due to limited motor brush life; intended for intermittent duty cycles.
- For installation, use compatible flexible hose; suggested tubing is a minimum of 3/8 inch ID and at least 20 inches in length.
- If a check valve is installed in the plumbing, it must have a cracking pressure of no more than 2 PSI (0.14 bar).
- Using a minimum 40 mesh strainer or filter in the inlet line is recommended to reduce debris ingestion.
- Do not use to pump flammable fluids (gasoline, kerosene, fuel oil, etc.) and do not use in an explosive environment.
- Available part listed: 20914-003A check valve assembly kit (Duplex II series pumps, 115 VAC).
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