It is a piston type, and the back pressure valve has a function similar to that of a safety valve, being used as a safety valve in applications that require high sensitivity control.
The 26-1700 series is a piston-type back pressure valve for high pressure applications. The back pressure valve has functions similar to a safety valve and can also be used as a safety valve in applications that require high sensitivity control with minimal difference between blow-off and blow-stop. This regulator has seven types of primary pressure adjustment ranges, and the adjustment range can be easily changed by replacing internal components in a single unit.
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