Product description: check valve 1 inch (DN25) internal thread for connection to all pipes, hoses and fittings via 1 inch external thread.

High safety: The backflow preventer has a stainless steel spring inside, which is rust-proof, resistant to high temperatures and pressures, and prevents liquid from flowing back when the pump is switched off. This design ensures smooth system operation and improves equipment reliability and durability.

High quality: The check valve is made of brass, which is corrosion-resistant, robust and durable, and has a long service life to withstand long-term use. This valve has exquisite design, compact structure, easy installation and is suitable for various liquid media.

Wide application: The backflow preventer is a very practical and multifunctional device that can effectively prevent liquid from flowing back into the pipeline and ensure the normal operation of the piping system. It plays an important role in a variety of applications, especially in garden pumps, heating systems and drinking water pipes. It is characterized by easy installation, convenient use and effective backflow protection and is one of the indispensable key components in the piping system.

Easy to install: The check valve can be installed vertically, horizontally and inclined, and with just a few turns, you can screw our check valves together in a watertight manner.