Flojet Duplex II Demand Pump – 12V (Part No: D3134B5011AR)

Product Overview

The Flojet Duplex II Demand Pump – D3134B5011AR is a compact, high-efficiency diaphragm pump ideal for medium-duty fluid transfer tasks. Offering a maximum flow of 7.6 L/min and a pressure switch setting of 4.1 bar, this pump is well-suited for use in automotive service, chemical transfer, agricultural spraying, and floorcare systems.

Built with Buna diaphragm and check valve components, it is particularly suited for use with light oils, fuels, and petroleum-based fluids. The internal bypass, integrated backflow preventer, and self-priming up to 2.4 metres make it a flexible and user-friendly option for both fixed and mobile applications.

Key Features

✅ 7.6 L/min maximum flow – Reliable performance for various transfer needs
✅ 4.1 Bar switch setting – Ideal for systems requiring low to medium pressure
✅ 12 Volt DC, 8.0 Amps – Strong performance for mobile equipment
✅ Buna diaphragm & check valve – Excellent compatibility with petroleum-based fluids and lubricants
✅ Internal bypass – Reduces system cycling and protects components
✅ Self-priming up to 2.4 metres – Flexible installation options
✅ 3/8" NPTF fluid ports – Standard threading for easy system integration
✅ Integrated backflow preventer – Prevents reverse flow and contamination
✅ Durable polypropylene housing – Corrosion-resistant and lightweight
✅ Long-life motor-pump unit – Proven design for extended service intervals

Why Choose This Product?

The Flojet D3134B5011AR is a solid, cost-effective choice for transferring non-aggressive fluids in mobile and stationary setups. With Buna elastomers and moderate pressure capability, it’s perfect for vehicle service bays, oil and fuel transfer, compact sprayer units, and machinery maintenance systems.