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Flojet D1631H1311A Self-Priming Duplex Diaphragm Bypass Pump - 50 PSI Bypass, 1.6 GPM, 115 VAC

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4.44 lbs
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This is a two-diaphragm pump that handles waterlike and viscous solutions. Requires 115-Volt AC power connections. Handles pressure up to 100 PSI with a 50 PSI bypass.
Prep 65

Prop 65


Technical Specifications

Max PSI: 100
Max GPM: 1.6
Voltage AC: 115
Inlet Port: 3/8 inch
Outlet Port: 3/8 inch

Product Description

Polypropylene Pump

The Flojet D1631H1311A is a double diaphragm pump includes an integrated 115 VAC electric motor. Engineered for the ability to be self-priming up to 8 feet. Pump body is made from polypropylene for chemical resistance and used with automatic water systems. Features the ability to run dry without damaging the critical components of the pump and features a built-in back flow preventer.


  • Voltage: 115 VAC
  • GPM: 1.6 GPM
  • Bypass: 50 PSI
  • Max Pressure: 100 PSI
  • Ports: 3/8" NPT
  • Material: Polypropylene
  • Diaphragm: Santoprene
  • Check Valve: EPDM
  • Motor: Electric
  • Weight: 4.44 lbs.

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm (For more information go to

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