ST700X pump control valve
* With 300X slow closed check valve function.
· Prior to pump stops running, you can turn off the main valve leading to about 90%, then stop pump operation, the remaining 10% re-closed, can completely prevent water hammer and water hammer phenomenon.
· Pressure Rating: PNl10, PN18, PN25
· Diaphragm: φ50mm ~ φ500mm
