???????????????????????????????????????? ?????????????????????????????????? ????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????? ???????? ?????? ???????????????????????? ??????????????????????????????????????????????????????????????????????????????????? ????????????????????????????? ???

???????????????????? ???????????? ??????????? ?????????????????????????????? ??????????????????????????????????????????????? ????????????????????????????????????? ??? ????????????????????????????????????? ??? ????????????????????? ????????????????????????????????????????????????????????????????????????????? : ???????????????????????????? ??????????

Lack of air pressure, the stored Power inside the springs forces the pistons inwards,the pinion turns clockwise, even though air is becoming fatigued from Port 4.The disc blocks the movement of fluid when the valve is closed. In certain solenoid valve styles, diaphragms, bellows, or pinch products are utilised rather than a disc to dam fluid stream