Normally closed solenoid valveThreaded cartridge valveSV08-20MPower unit accessories

When de-enWhen de-energized,the valve acts as a check valve,allowing flow from ①to②.while blocking flow from ②to①.When energized,the poppet lifts to open the ②to①,while ①to② is serverly restricted.

To override,push button in ,twist counter-clockwise 90° and release,the valve will remain openjpush button in,twist clockwise 90° and release, the valve will remain close.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       When powered off, the valve acts as a check valve, allowing from ① to ②. while blocking from ② to ①. When powered on, the poppet valve lifts open ② to ①, although ① to ② are limited by the server to override, push the button, reverse Rotate the hour hand 90° and release,

The valve will remain open. Press the button, turn 90° clockwise and release, the valve will remain closed.