Flojet Duplex II Bypass Pump – 12V (Part No: D3135B1311AR)

Product Overview

The Flojet Duplex II Bypass Pump – D3135B1311AR is a powerful, self-priming diaphragm pump designed for continuous-duty applications that do not require a pressure switch. With a bypass setting of 3.4 bar and a maximum flow rate of 7.2 L/min, this 12V pump is ideal for recirculating systems, fluid circulation, and open-loop transfer applications.

Built with a Buna diaphragm and check valve, it offers reliable compatibility with petroleum-based fluids, oils, and lubricants. The pump features an integrated backflow preventer, internal bypass, and polypropylene housing for long-term durability in automotive, construction, floorcare, and general-purpose systems.

Key Features

✅ 7.2 L/min maximum flow – Efficient delivery for fluid transfer and circulation
✅ 3.4 Bar bypass pressure – Maintains consistent output in continuous-run systems
✅ No pressure switch – Ideal for open-loop or non-demand controlled setups
✅ 12 Volt DC, 8.0 Amps – Mobile, battery-compatible operation
✅ Buna diaphragm & check valve – Suitable for oils and non-aggressive chemical fluids
✅ Self-priming up to 2.4 metres – Enables flexible installation options
✅ 3/8" NPTF ports – Standard threading for easy system integration
✅ Integrated backflow preventer – Prevents reverse flow to protect pump and system
✅ Polypropylene pump housing – Corrosion-resistant and lightweight
✅ Internal bypass – Minimises pulsation and extends service life

Why Choose This Product?

The Flojet D3135B1311AR is the ideal choice for continuous flow applications that do not require demand-based activation. It’s rugged, compact, and cost-effective, particularly well-suited for fluid circulation, low-pressure transfer, and recirculating tank systems using light oils or compatible fluids.

Order Now

Get dependable continuous-duty performance with the Flojet Duplex II Bypass Pump – 12V (D3135B1311AR). Contact Flowjet Cleaning Equipment to check availability, request technical advice, or place your order today.