Injection nozzle opening valve device of steel pipe
The purpose is to prevent the solution injected into the pipe from flowing back into the pipe after it has been ejected outside the pipe.
The rubber stopper is fixed so it does not come off the valve body.
Because it ejects downward through the solution induction hole formed in the valve body, it ejects well even when the internal pressure of the steel pipe is low.
Injection opening/closing valve status (before solution injection)
Injection opening/closing valve status (after solution injection)