Flojet 4000 Series Demand Pump – 12V (Part No: R4100-143A)

Product Overview

The Flojet R4100-143A is a self-priming, high-flow diaphragm pump from the trusted Flojet 4000 Series, engineered for fluid transfer applications where high volume and reliability are critical. Operating on 12V DC, this pump delivers up to 16.3 Lpm at 1.8 Bar max pressure and is ideal for systems using external pressure control or constant flow requirements. Built with a Santoprene diaphragm, EPDM check valves, and a polypropylene housing, it is compatible with a wide range of fluids.

Key Features

✅ Max Flow Rate: 16.3 Lpm
✅ Max Pressure: 1.8 Bar
✅ Voltage: 12 Volt DC (10.0 Amps)
✅ No Pressure Switch: Suitable for external or manual control systems
✅ Self-Priming: Up to 2.4 metres vertical lift
✅ Diaphragm: Santoprene for chemical durability and resilience
✅ Check Valve: EPDM for excellent sealing and fluid compatibility
✅ Port Size: 3/4" hose barb ports
✅ Max Fluid Temperature: 54°C
✅ Housing Material: Corrosion-resistant polypropylene
✅ Thermal Overload Protection: Prevents motor damage from overheating

Applications

Ideal for a range of fluid handling needs, including:
• High-volume fluid transfer systems
• Tank filling and mobile water delivery
• Agricultural or industrial spray setups
• Washdown and rinse systems
• OEM integration where external switching is used

Why Choose This Pump?

The Flojet R4100-143A combines powerful flow, rugged construction, and no internal switch, making it an excellent choice for custom-built or externally controlled systems. Its robust design ensures consistent performance for on-demand or continuous use in demanding environments.