Flojet Duplex II Demand Pump – 12V (Part No: D3131V5011AR)

Product Overview

The Flojet Duplex II Demand Pump – D3131V5011AR is a compact, high-efficiency diaphragm pump designed for reliable performance in fluid transfer systems requiring enhanced chemical compatibility. With a flow rate of 6.1 L/minand a pressure switch setting of 4.1 bar, this 12V pump is ideal for chemical dosing, spraying, light solvent handling, and industrial fluid transfer.

Featuring a Viton diaphragm and Viton check valve, this model delivers superior resistance to aggressive chemicals, oils, and solvents. The pump includes an internal bypass, integrated backflow preventer, and self-priming capability up to 2.4 metres, ensuring flexible installation and safe operation across a wide variety of applications.

Key Features

✅ 6.1 L/min maximum flow – Reliable volume for light- to medium-duty applications
✅ 4.1 Bar pressure switch setting – Demand-based pressure for on/off control
✅ 12V DC, 7.0 Amps – Efficient for portable or mobile systems
✅ Viton diaphragm & check valve – High resistance to harsh chemicals and solvents
✅ Internal bypass – Prevents pressure spikes and enhances pump longevity
✅ Self-priming up to 2.4 metres – Allows above-tank mounting flexibility
✅ 3/8" NPTF ports – Compatible with standard fluid system fittings
✅ Integrated backflow preventer – Prevents reverse flow and system contamination
✅ Polypropylene housing – Durable and resistant to chemical corrosion
✅ Reliable motor-pump design – Built for long life with minimal maintenance

Why Choose This Product?

The Flojet D3131V5011AR is ideal for customers handling aggressive or corrosive fluids where standard elastomers are not suitable. Its Viton construction ensures safe operation in chemical processing, laboratory setups, spray rigs, and industrial fluid transfer systems, especially where solvent compatibility is essential.

Order Now

Need a chemically-resistant demand pump for aggressive applications? Order the Flojet Duplex II 12V – D3131V5011AR today from Flowjet Cleaning Equipment. Contact us for expert support and availability.