brief introduction

This valve is used to prevent the backflow of medium in pipeline and equipment. The butterfly plate is designed with two torsion springs on the dual plate, which can open and close the valve plate within the pressure range. According to the needs of users, different glue types and other components can be selected. The valve body structure length is short series, good rigidity, convenient installation, safe and reliable performance and good anti-interference.

main parameter 

Nominal pressure: PN 1.0MPa ~ 1.6Mpa

Nominal diameter: Dn40 ~ DN600

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

Main component material: gray cast iron

Executive standard: JB / t8937-2010

Test standard: GB / t13927 - 2008