The Flojet T20HF-318S-1P is a compact and dependable Triplex diaphragm pump developed for industrial fluid handling applications. Powered by a 115V AC permanent magnet motor, it delivers an open flow rate of up to 7.6 litres per minute and features automatic pressure-controlled operation up to 4.1 bar.
Designed for applications where reliable fluid movement is essential, this Flojet pump can be used for transfer, dispensing, spraying, cooling, filtration and circulation duties. Its three-chamber diaphragm arrangement provides consistent pumping performance while maintaining a relatively compact footprint for easier integration into equipment and fluid systems.
Reliable Automatic Pumping
An integrated pressure switch automatically controls the pump according to demand. When system pressure reaches approximately 4.1 bar (60 PSI), the pump switches off and will restart as pressure falls and fluid is required. This makes the T20HF-318S-1P particularly useful in systems where fluid demand is intermittent rather than continuous.
The pump is also self-priming up to approximately 2.4 metres, providing greater flexibility when positioning the pump in relation to the fluid supply. Run-dry capability provides additional protection in applications where the fluid supply may occasionally be interrupted.
Key Benefits
- 115V AC power supply
- Up to 7.6 L/min (2 GPM) open flow
- Automatic pressure switch with 4.1 bar (60 PSI) cut-off
- Three-chamber Triplex diaphragm construction
- Self-priming capability up to approximately 2.4 metres
- Can operate dry without immediate pump damage
- Permanent magnet motor for dependable operation
- Integrated thermal motor protection
- Noise-dampening baseplate
- Compact design suitable for equipment installation
Durable Fluid Contact Materials
The T20HF-318S-1P uses carefully selected materials throughout its wetted components. The upper housing is manufactured from glass-filled polypropylene, with a cast aluminium lower housing. Fluid-contact components include a polypropylene check valve retainer, Santoprene diaphragm and EPDM check valves and seals.
These materials provide a durable pumping assembly suitable for handling a variety of compatible fluids. Fluid compatibility should always be confirmed before installation.
Flojet T20HF-318S-1P Specifications
- Brand: Flojet
- Manufacturer: Xylem
- Part Number: T20HF-318S-1P
- Pump Type: Triplex diaphragm pump
- Voltage: 115V AC
- Open Flow Rate: 7.6 L/min (2 GPM)
- Pressure Switch Cut-Off: 4.1 bar (60 PSI)
- Maximum Inlet Pressure: 2.2 bar (30 PSI)
- Connections: 3/8-inch NPTF
- Self-Priming: Up to 2.4 metres
- Fluid Temperature Range: 4°C to 60°C
- Maximum Current Draw: 1A
- Run-Dry Capable: Yes
- Pump Weight: Approximately 2.7 kg
Typical Applications
With its combination of automatic pressure control, self-priming capability and compact construction, the Flojet T20HF-318S-1P is suitable for numerous industrial and commercial fluid handling systems, including spraying equipment, liquid dispensing, cooling circuits, filtration equipment, circulation systems and general fluid transfer.
Please note: The stated 7.6 L/min capacity is the pump's maximum open-flow performance. Actual flow rate will vary according to system pressure, pipework, fittings and other installation conditions.
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