Flojet Duplex II Demand Pump – 12V (Part No: D3131H5011AR)

Product Overview

The Flojet Duplex II Demand Pump – 12V is a versatile, high-performance diaphragm pump engineered for general-purpose fluid transfer and spraying applications. With a flow rate of 6.1 L/min and a pressure switch set at 4.1 bar, this pump delivers reliable, on-demand performance and long service life thanks to its robust design and internal bypass.

Equipped with a Santoprene diaphragm and EPDM check valve, the D3131H5011AR model ensures excellent chemical compatibility, making it ideal for a wide range of industries including agriculture, automotive, construction, floorcare, and chemical transfer. Its integrated backflow preventer and self-priming capability up to 2.4 metresprovide added convenience for both fixed and mobile systems.

Key Features

✅ 6.1 L/min maximum flow – Consistent output for medium-duty applications
✅ 4.1 Bar pressure switch setting – Ensures reliable on-demand operation
✅ 12V DC, 7.0 Amps – Energy-efficient with strong performance
✅ Internal bypass – Reduces pump cycling and enhances component lifespan
✅ Santoprene diaphragm & EPDM check valve – Durable and chemically compatible
✅ 3/8" NPTF fluid ports – Industry-standard fittings for easy integration
✅ Self-priming up to 2.4 metres – Allows installation above fluid source
✅ Integrated backflow preventer – Prevents reverse flow for system safety
✅ Polypropylene housing – Lightweight, durable, and corrosion-resistant
✅ Long-life motor-pump assembly – Designed for demanding duty cycles

Why Choose This Product?

The Flojet Duplex II D3131H5011AR combines high reliability, efficient fluid handling, and chemical compatibility in a compact form. Whether you're managing agricultural sprayers, mobile cleaning systems, or fluid transfer in construction and automotive environments, this model offers a trusted, field-proven solution backed by decades of Flojet engineering.

Order Now

Get dependable on-demand pumping with the Flojet Duplex II Demand Pump – 12V. Contact Flowjet Cleaning Equipment to check availability, request technical guidance, or place an order.