Flojet Duplex II Bypass Pump - 12V (Part No: D3121B1211AR)

Product Overview

The Flojet Duplex II Bypass Pump - 12V is a compact, high-performance diaphragm pump designed for fluid transfer applications requiring reliability and self-priming capabilities. With a flow rate of up to 4.2 L/min and a built-in bypass system rated to 2.1 bar, this pump is ideal for a wide range of low-pressure liquid transfer tasks. It operates on 12V DC and draws just 3.0 amps, making it perfect for portable systems or mobile cleaning setups.

Key Features

✅ 2.1 Bar bypass – Ensures smooth flow without the need for a pressure switch
✅ 4.2 L/min maximum flow – Delivers consistent performance for light-duty applications
✅ 12 Volt DC operation – Low power draw at just 3.0 Amps
✅ Self-priming up to 2.4m – Suitable for tank-fed or gravity-fed setups
✅ Integrated backflow preventer – Prevents reverse flow for added system safety
✅ Durable polypropylene pump housing – Chemical-resistant and corrosion-proof
✅ Buna diaphragm and check valve – Ensures reliable chemical compatibility
✅ 3/8" NPTF ports – Standard connection size for quick and secure fittings
✅ No pressure switch – Ideal for continuous-duty or open-loop systems

Why Choose This Product?

The Flojet Duplex II Bypass Pump offers reliable, maintenance-friendly performance where a pressure switch is not required. Its rugged construction, self-priming ability, and chemical-resistant components make it an excellent choice for fluid transfer in industrial, agricultural, and light commercial applications. Trusted by professionals, Flojet pumps are known for durability and efficiency in demanding environments.

Order Now

Looking for a reliable 12V bypass pump? Add the Flojet Duplex II D3121B1211AR to your system today. For pricing, compatibility, or bulk order inquiries, contact our Flowjet team – we're here to help!