Flojet Q40HF-118S-2P 115V 4 GPM Industrial Diaphragm Pump

Flojet Q40HF-118S-2P 115V 4 GPM Industrial Diaphragm Pump

The Flojet Q40HF-118S-2P is a high-performance industrial diaphragm pump engineered for dependable fluid transfer, spraying, circulation, filtration, and dispensing applications. Designed with a durable four-chamber diaphragm system and a heavy-duty coated motor, this 115 VAC pump delivers a powerful open flow rate of 4 GPM while maintaining stable pressure up to 60 PSI.

Built for industrial environments, the Q40HF-118S-2P features self-priming capability up to 8 feet, integrated thermal protection, and run-dry operation for enhanced reliability and reduced maintenance downtime. Its Santoprene diaphragm, EPDM valves, and glass-filled polypropylene housing provide excellent durability and chemical resistance for demanding operational conditions.

The Flojet VersiJet Series pump is ideal for commercial cleaning systems, industrial liquid transfer, cooling systems, filtration equipment, dispensing systems, and general-purpose fluid handling operations where consistent performance and long service life are essential.

Key Features

• 4 GPM open flow performance
• 60 PSI pressure switch cut-off
• Heavy-duty four-chamber diaphragm design
• Self-priming up to 8 feet dry lift
• Run-dry capable without damage
• Integrated thermal overload motor protection
• Quiet operation with noise-dampening baseplate
• Quick-connect port configuration for easier installation
• Chemical-resistant Santoprene and EPDM wetted materials
• Durable coated motor housing for industrial environments

Applications

• Industrial fluid transfer
• Spraying systems
• Cooling circulation systems
• Filtration equipment
• Dispensing systems
• Commercial wash systems
• Chemical transfer operations
• Water transfer applications
• Utility fluid handling
• Industrial processing systems

Specifications

• Manufacturer: Flojet
• Series: VersiJet
• Model: Q40HF-118S-2P
• Pump Type: Industrial diaphragm pump
• Voltage: 115 VAC
• Voltage Range: 104–126 VAC
• Flow Rate: 4 GPM (15 LPM)
• Maximum Pressure: 60 PSI (4.1 BAR)
• Maximum Inlet Pressure: 30 PSI
• Current Draw: 1.3 Amps at 60 PSI
• Duty Cycle: Intermittent
• Self-Priming Capability: Up to 8 ft
• Fluid Temperature Range: 32°F to 140°F
• Internal Bypass: Yes
• Motor Protection: Thermal overload protection
• Port Configuration: Quick-connect hose barb fittings
• Upper Housing Material: Glass-filled polypropylene
• Lower Housing Material: Cast aluminum
• Diaphragm Material: Santoprene
• Valve Material: EPDM
• Fasteners: Stainless steel
• IP Rating: IPX6

• FAQ

• What industries commonly use the Flojet Q40HF-118S-2P pump?
• This pump is widely used in industrial processing, commercial cleaning, liquid transfer systems, dispensing equipment, and circulation applications requiring reliable 115V diaphragm pump performance.
• Is the Flojet Q40HF-118S-2P suitable for continuous-duty operation?
• The pump is rated for intermittent duty operation. For extended run times, application-specific testing is recommended to ensure optimal performance.
• Does this pump require manual priming?
• No. The pump is self-priming up to 8 feet, reducing installation complexity and improving startup efficiency.
• What materials are used in the wetted components?
• The wetted components include Santoprene diaphragms, EPDM valves and seals, glass-filled polypropylene housing, and cast aluminum lower housing for durability and chemical resistance.
• Can the pump operate dry without damage?
• Yes. The Flojet VersiJet Series is designed with run-dry capability, helping protect the pump during temporary fluid interruptions.