1. Product Introduction

The butterfly valve has the advantages of simple structure, reliable sealing, light opening, long service life and convenient maintenance. Therefore, it is widely used in various pipelines of water supply and drainage, building fire protection, etc., especially in fire protection pipelines. The signal valve can clearly display the valve switch state, and has an intuitive, clear and reliable reflection of the working state in the fire protection system, so it is widely and widely applied to the fire protection system.

2. Features 

The valve is designed with center line sealing structure, light torque and good sealing. · Both butterfly plate and stem use no pin designed connection, good connection reliability. · The butterfly plate is covered and vulcanized with integral rubber for good corrosion resistance. · A grooved connection is used between the valve and the pipeline, easy and quick installation. · Multiple valve actuation modes, available with handle, worm-gear&worm, electric, pneumatic etc. Operation ways.