Back Pressure Valve (BY Series)

Safe operation, long life, high quality and reliable materials, responsive, good reproducibility, compact size, open the valve fully with little pressure fluctuations, pressure regulator without any vibration, pressure setting at any time, including during the work.

PTFE+rubber compound diaphragm seal is reliable without leakage.
Connector Type: A. Adapting form(cement or sweating soldering); B. Flange form.

Back pressure valve was installed in the discharge pipe on the road, to prevent siphoning from occurring and adding points eliminate the pressure fluctuations caused by changes in the dosage, the screw can be adjusted in the field in the range of 0-0.4Mpa set back pressure.

Diameter: DN15, DN20, DN25, DN40