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35-Series Diaphragm Water Pumps

35-Series Diaphragm Water Pumps

The 31-Series is our continuous-duty on-demand positive displacement pump. Quick-Attach fittings allow for easy installation or replacement. It provides reliable performance in moderate water flow, high-pressure applications. This 3-chamber diaphragm pump provides up to 1.8 gallons per minute and is capable of self-priming up to 6 vertical feet, and can run dry without damage. This automatic demand water system pump has a built-in pressure switch, which automatically starts and stops when the fixture is opened and closed. They are easy to install, service and winterize.

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Description

Features & Benefits

  • Positive displacement pump
  • Quick-Connect Fittings
  • Can run dry
  • Quiet operation
  • Demand pump
  • Low amp draw
  • Industry standard mount pattern
  • Built in check valve
  • Thermally protected
  • Easy connect fitting

Typical Applications

  • Agricultural Spraying
  • General Industrial
  • Automotive
  • Marine/RV
WATER PUMP
Type

Medium Duty 3 chamber positive
displacement diaphragm
pump, quick- connect fittings,
self priming, capable
of being run dry
Mode
demand
Liquid Temperature
140°F (60°C) Max.
Priming Capabilities
6 feet (1.8 m) suction lift
Max Pressure
80 PSI
Inlet/Outlet Ports
5/8″ Quick-Attach
MOTOR
Duty Cycle
Continuous
Leads
16 AWG, 4.5″ long with
2-Pin connector/Leads
Voltage
12v/24v

 

  • Compact automatic demand water system pump
  • Built-in pressure switch automatically starts and stops pump when faucet is opened and closed
  • Capable of supplying multiple fixtures
  • Self-priming so pump can be located in a location higher than the water tank
  • Run-dry safe
  • Built-in thermal protection

 

Model Switch GPM/LPM PSI/BAR Max Draw
(A)
Valves Diaphragm Ports Voltage Wire Connections
SFDP1-015-080-31 Demand 1.5 / 5.5 80 / 5.5 8.0 EPDM Santoprene 5/8″ Quick-Attach 12V 2-Pin/Leads
SFDP2-015-080-31 Demand 1.5 / 5.5 80 / 5.5 4.5 EPDM Santoprene 5/8″ Quick-Attach 24V 2-Pin/Leads
SFDP1-018-080-31 Demand 1.8 / 7.0 80 / 5.5 9.0 EPDM Santoprene 5/8″ Quick-Attach 12V 2-Pin/Leads
SFDP2-018-080-31 Demand 1.8 / 7.0 80 / 5.5 4.5 EPDM Santoprene 5/8″ Quick-Attach 24V 2-Pin/Leads

Additional information

Weight 7 lbs
Dimensions 12 × 9 × 6 in
Voltage

12V DC, 24V DC

Flow

2.8 GPM, 3.0 GPM

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