ST-31R Intake Filter with Check Valve – 6–8mm Hose Tail

Product Overview

The ST-31R Intake Filter is a high-quality suction filter designed for use in water and chemical draw systems. Engineered in Germany, it features a built-in check valve that prevents backflow, ensuring consistent one-way flow in detergent, chemical, or low-pressure water intake systems.

Fitted with a 6–8mm hose tail outlet, the ST-31R includes a brass weight to keep it submerged in fluid, along with a black plastic body for chemical resistance. Its compact form factor—20mm diameter and 75mm height—makes it ideal for tight installations in tanks or chemical containers.

Key Features

✅ 6–8mm Hose Tail Outlet – compatible with standard suction lines
✅ Integrated Check Valve – prevents backflow, ensures stable suction
✅ Brass Weighted Base – stays submerged for continuous fluid draw
✅ 20mm Diameter, 75mm Height – compact for small container use
✅ Durable Plastic & Brass Construction – chemical- and water-resistant
✅ Made in Germany – quality assured for professional use
✅ Lightweight (0.02kg) – easy to handle and install

Why Choose This Product?

The ST-31R Intake Filter is ideal for detergent systems, softwash setups, and chemical dosing equipment. The check valve function offers reliable flow control, preventing air ingress and protecting pumps from dry running. Built to last and easy to install, it’s a go-to choice for professional cleaning and chemical handling operations.

Order Now

For dependable suction and flow protection, choose the ST-31R Intake Filter with Check Valve—available now at Flowjet Cleaning Equipment. Order online or contact our team for expert advice.