■ introduction

The valve is connected with a butterfly valve and a signal head. The signal head is an electrical switch box, built-in micro switch, cam, wiring board, cable inlet and structural parts on the basis of the valve manual device. There is a micro switch in the opening direction and closing direction respectively, which can provide an electrical signal when the valve is "closed" or "opened" in place. The electrical switch box is fully sealed structure, and the shell joint parts are provided with sealing rings. Therefore, it can be directly used in the outdoor, and can be used to open or close the medium in the fluid pipeline. It is also one of the accessories of the automatic sprinkler system for fire protection engineering It is used as monitoring valve in front of water flow control. .

main parameter 

Nominal pressure: pn1.2mpa

Nominal diameter: Dn40 ~ DN250

Applicable temperature, suitable medium: depending on different types of rubber

Executive standard: gb5135.6-2003

Test standard: gb5135.6-2003