Flow Jet Pump
Flojet & Diaphragm Pump Product Range
Expect only the best. With over 30 years of pump design and manufacturing experience, Flojet is committed to delivering the hardest-working and longest-lasting pumps. No matter the application, Flojet can provide a superior pump to match all your requirements.
LF Plus Series
These pumps are the ideal solution for many applications including spraying, fluid transfer, filtration, cooling, dispensing and pressure boosting
Features
- Sealed pressure switch automatically starts and stops pump when discharge valve opens and closes
- Self-priming so pump can be located above supply tank
- Can run dry for extended periods of time without damage
- Built-in thermal protector
- Low amp draw for battery-powered applications



PUMP DESIGN |
Reciprocating diaphragm |
VOLTAGE** |
12V DC, 24V DC, 115V AC |
MAX FLOW RATE |
0.7 GPM (2.6 LPM)—1 GPM (3.8 LPM) |
DUTY CYCLE |
Intermittent |
MAX PRESSURE |
40 psi (2.8 bar) when no pressure switch is present |
SELF-PRIMING |
Up to 6′ (1.8m) |
PORTS* |
Quick connect barb 1/4″ (6mm) and 3/8″ (10mm); John Guest/quick fit 1/4″ (6mm) and 3/8″ (10mm) straight and elbow available |
HOUSING |
Polypropylene |
CHECK VALVE SPRING |
Stainless steel |
LIQUID TEMPERATURE RANGE |
36°F (2°C) to 110°F (43°C) |

Dimensional drawings provide precise measurements for installation and integration.
Dimensional Drawings
- Length: 10 inches
- Width: 4 inches
- Height: 5 inches

Duplex || Series
The Duplex II series of pumps incorporates the best technology and features developed by Flojet. Everything from the back-flow preventer, check valves, bearings and diaphragm assembly to the motor, has been designed to make this the most reliable diaphragm pump available. Higher efficiency of the pump is evident in the longer life of the motor pump unit. The diaphragm design combined with the new valves makes the pump capable of pulling higher dry vacuum. Duplex II is available in various performance ranges and voltages, and with a choice of elastomers, making it easily adaptable to a diverse range of applications.
Features
- Self-priming up to 8′ (2.4m)
- Can run dry without damage
- Chemically resistant materials
- Internal bypass standard
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PUMP DESIGN |
Positive displacement two-piston design |
VOLTAGE** |
12V DC, 24V DC, 115V AC,230V AC |
MAX FLOW RATE |
High Pressure — 2.2 GPM (8.3 LPM) Medium and Low Pressure — 1.6 GPM (6.1 LPM) |
CYCLE |
50/60Hz for AC models |
MAX PRESURE |
100 psi (6.9 bar) |
PRESSURE SWITCH SETTING |
15 psi (1.3 bar), 30 psi (2.1 bar), 45 psi (3.1 bar), 60 psi (4.1 bar), 80 psi (5.5 bar) and 100 psi (6.8 bar) |
SELF-PRIMING |
Up to 8′ (2.4m) |
PORTS |
3/8″ (10mm) NPT female |
MOTOR |
Permanent magnet with solid state rectifier |
WETTED PARTS |
Polypropylene, FKM, buna or EPDM |
WEIGHT |
4–5lb (1.8–2.3kg) |
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Triplex Compact Series
The Triplex Compact range pump was designed specifically for the agricultural market. Flojet’s three chamber design, including versatile features, makes it ideal for sprayers, transfer and dispensing applications. This automatic demand pump is fitted with a sealed pressure switch and motor. It has the ideal footprint for installation in areas
Features
- Compact automatic demand pump
- Sealed pressure switch and motor
- Self-priming; pump can be located above supply tank
- Can run dry for extended periods of time without damage
- Flow rates to 2 GPM (7.6 LPM) and operating pressure to 60 psi (4.1 bar)
Application
- Small boom and spot spraying
- Foam marking
- Silage treatment
- Estate spraying
- Livestock and poultry cooling
- Dispensing
- Transfer of liquids



PUMP DESIGN |
Motor-operated, 3-chamber diaphragm |
VOLTAGE** |
12V DC, 24V DC, |
MAX FLOW RATE |
2 GPM (7.6 LPM) |
DUTY CYCLE |
Intermittent |
MAX PRESSURE |
60 psi (4.1 bar) |
PORTS* |
3/8″ (10mm) NPTF |
LIQUID TEMPERATURE RANGE |
40°F (4°C) to 140°F (60°C) |
CERTIFICATIONS |
CE, NSF components |
WEIGHT |
7.6lb (3.5kg) |



Triplex Hi-Pressure Series
Flojet Triplex Hi-Pressure diaphragm pumps are capable of pressures up to 150 psi (10.3 bar), some of the highest pressures available in the diaphragm pump industry. This is ideal for applications such as spraying, misting, filtration, cooling, dispensing and pressure boosting.
Features
- Constructed from a selection of materials suitable for handling a broad range of chemicals
- Sealed pressure switch and motor
- Self-priming up to 8′ (2.4m); pump can be located above supply tank
- Can run dry for extended periods of time without damage
- Flow rates to 4 GPM (5.5 LPM) and operating pressure to 150 psi (11 bar)
Application
- Designed for wide range of applications
- Small boom and spot spraying
- Silage treatment
- Estate spraying
- Livestock and poultry cooling
- Dispensing
- Transfer of liquids
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PUMP DESIGN |
Motor-operated, 3-chamber diaphragm |
VOLTAGE** |
12V DC, 24V DC, 115V AC,230V AC |
MAX FLOW RATE |
1.4 GPM (5.5 LPM) |
DUTY CYCLE |
Intermittent |
MAX PRESSURE |
Switch cutoff — 150 psi (101 bar) Max running pressure — 140 psi (9.7 bar) |
PORTS* |
3/8″ (10mm) NPTF |
MOTOR |
Permanent magnet DC and rectified (PMDC) AC |
PUMP HEAD |
Glass-filled nylon |
ELASTOMERS DIAPHRAGM |
EP/PP blend |
ELASTOMERS DIAPHRAGM |
EP/PP blend |
CHECK VALVE* |
EPDM or FKM |
LIQUID TEMPERATURE RANGE |
40°F (4°C) to 140°F (60°C) |
CERTIFICATIONS |
CE, NSF components |
WEIGHT |
7.6lb (3.5kg) |
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Triplex Hi-Flow Series
Flojet Triplex Hi-Flow series pumps are designed for a wide range of applications and are constructed from a selection of materials suitable for handling a broad range of chemicals. The Triplex Hi-Flow pumps are self-priming and can run dry without harm
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PUMP DESIGN |
3-chamber diaphragm |
VOLTAGE** |
12V DC, 24V DC |
MAX FLOW RATE |
4 GPM (15.1 LPM) |
MAX PRESSURE |
Switch cutoff — 60 psi (4.1 bar) Max running pressure — 50 psi (3.4 bar) |
PUMP HEAD |
Polypropylene |
DIAPHRAGM |
EP/PP blend |
IP RATING |
IP54 |
WEIGHT |
5.1lb (2.3kg) |
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Quad Series
Flojet Triplex Hi-Flow series pumps are designed for a wide range of applications and are constructed from a selection of materials suitable for handling a broad range of chemicals. The Triplex Hi-Flow pumps are self-priming and can run dry without harmer, filtration, cooling, dispensing and pressure boosting
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PUMP DESIGN |
3-chamber diaphragm |
VOLTAGE** |
12V DC, 24V DC |
MAX FLOW RATE |
4 GPM (15.1 LPM) |
MAX PRESSURE |
Switch cutoff — 60 psi (4.1 bar) Max running pressure — 50 psi (3.4 bar) |
PUMP HEAD |
Polypropylene |
DIAPHRAGM |
EP/PP blend |
IP RATING |
IP54 |
WEIGHT |
5.1lb (2.3kg) |
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Versijet Series
The Flojet Versijet series robust five chamber design, large robust motor, and choice of elastomers make this the ideal pump for higher flow, heavy duty applications
Features
- Flow rates up to 6 GPM (22.7 LPM) and pressure of up to 70 psi (4.8 bar)
- Designed to handle a broad range of fluids
- Flojet’s patented co-injected molded diaphragm and larger motor brushes significantly extend pump life up to 50% longer than existing Flojet Quad series diaphragm pumps
- Sealed motor and pressure switch provide years of dependable reliability
- Self-priming up to 10′ (3m) (wetted)
- IPX6 rated



PUMP DESIGN |
Permanent Magnet TENV (non-ventilated) |
VOLTAGE** |
12V DC, 24V DC, 115V AC |
MAX FLOW RATE |
6 GPM (22.7 LPM) |
DUTY CYCLE |
Intermittent |
MAX PRESSURE |
70 psi (4.8 bar) |
PORTS* |
4 GPM – 1/2″ (13mm) HB 5 and 6 GPM – 3/4″ (19mm) HB Other options available on request |
PUMP HEAD |
Glass-filled nylon |
DIAPHRAGM |
EP/PP blend |
CHECK VALVE |
Glass-filled nylon, EPDM |
LIQUID TEMPERATURE RANGE |
40°F (4°C) to 140°F (60°C) |
CERTIFICATIONS |
CE, RoHs, IPX6 |
WEIGHT |
7.6lb (3.5kg) |



G57 Series
Innovative compact design features a patented shuttle valve that eliminates stalling and provides a long life. Features a chemically resistant polypropylene body with a choice of EP/PP blend, FKM or FFKM elastomers, as well as quick disconnect liquid and gas port fittings for easy installationer, filtration, cooling, dispensing and pressure boosting
Features
- Highest flow rate for any air pump of comparable size
- Stall-proof design with patented shuttle valve
- Easy installation with all quick disconnect ports
- Robust design with durable integral mounting
- Sanitary design with inset molded diaphragm
- SLeak resistant radial seals, no critical O-ring seals
- Quiet operation with large exhaust muffler



PUMP DESIGN |
Air-operated positive displacement double diaphragm pump |
MAX FLOW RATE |
5 GPM (18.9 LPM) |
PRESSURE |
20–100 psi (1.4–6.9 bar) (same as inlet air pressure) |
PORTS* |
Liquid — 3/8″ (10mm), 1.2″ (13mm) and 3/4″ (19mm) HB; 3/8″ (10mm) and 1/2″ (13mm) MNPT Air inlet — 1/4″ (6mm) HB |
BODY |
Polypropylene |
DIAPHRAGM |
EP/PP blend, FKM, FFKM |
CHECK VALVE |
EP/PP blend, FKM, FKM Extreme |
CHECK VALVE SPRING |
Hasteloy C |
WEIGHT |
1.2lb (0.5kg) |



G70 & G71 Series
This ATEX Certified Air operated pump is designed to be the ultimate in performance and reliability. Our robust design combines innovative features and relentless testing to offer a pump that has a long, trouble free service life filtration, cooling, dispensing and pressure boosting
Features
- Capable of air inlet pressures up to 100 psi (6.9 bar)
- Robust design with durable integral mounting
- Patented shuttle valve eliminates stalling when used with dry air
- Capable of passing solids up to 1/8″ (3.2mm) diameter easliy with large clog-free check valves
- Corrosion resistant materials capable of handling a wide range of chemicals
- Leak resistant made from Viton® Extreme™ O-ring seals
- Ease of installation with all plug- in ports
- John Guest® hose barb, NPT and elbow configurations available
- Low air consumption compared with other pumps in its class
Application
- Chemical transfer and dispensing
- Solvent applications
- Parts washers
- Ink transfer
- Car wash systems
- Any application requiring ATEX approval



PUMP DESIGN |
Air-operated positive displacement double diaphragm pump |
MAX FLOW RATE |
5 GPM (18.9 LPM)C |
PRESSURE |
20–100 psi (1.4–6.9 bar) (same as inlet air pressure) |
PORTS |
Liquid — 3/8″ (10mm), 1.2″ (13mm) and 3/4″ (19mm) HB; 3/8″ (10mm) and 1/2″ (13mm) MNPT Air inlet — 1/4″ (6mm) HB |
BODY |
Polypropylene/nylon (G71) |
DIAPHRAGM |
FFKM |
CHECK VALVES |
Polypropylene/nylon (G71) |
CHECK VALVE SPRING |
Hasteloy C |
WEIGHT |
1.2lb (0.5kg) |



N5100 Series
Flojet air-operated diaphragm pumps offer excellent self-priming capability. Pumps can be located above the supply tank. A suction- side foot valve is recommended for best operation. Liquid pressure is regulated by supply air pressure. No bypass or pressure relief plumbing is necessary. Choice of EP/PP blend, Buna, or FKM elastomers provide a wide range of chemical compatibility. Quick disconnect liquid and gas port fittings provide easy installation.
Features
- Compact design with plug-in hose connections for quick installation
- Variety of elastomers to ensure chemical compatibility
- Variable capacity from zero to the maximum flow
- No pressure relief or bypass plumbing required
- Corrosion resistant materials capable of handling a wide range of chemicals
- Excellent self-priming; pump may be located above the liquid level



PUMP DESIGN |
Air-operated positive displacement double diaphragm pump |
MAX FLOW RATE |
2.5 GPM (9.5 LPM) |
PRESSURE |
20–75 psi (1.4–5.5 bar) |
SELF-PRIMING |
28′ (8.5m) dry, 32′ (9.8m) wet |
PORTS* |
Liquid — 3/8″ (10mm), Air – 1/4″ (6mm) |
LIQUID FITTINGS |
3/8″ (10mm) HB ST |
AIR INLET/OUTLET |
1/4″ (6mm) HB ST |
WETTED PARTS |
Buna, EP/PP blend, buna/PP blend or FKM for diaphragms and valves; acetal copolymer for housing |
GAS/AIR CONSUMPTION |
Air supply must be oil-free and dry 40 psi at 1 GPM – 0.5 CFM, 60 psi at 1 GPM – 0.6 CFM, 80 psi at 1 GPM – 0.8 CFM |


