?????? Pakyok168 ??????????????????????????? ???????-????? ?????????????????-?????????????????????????????????????????????????????????????????????? Pakyok168 ????????????????? (Hi-Lo) ????????????????????????????????? ??? “???????” ??? “????????” ????????????????????????????????????????????????????????????????????????? ?????????????????????

???????? ???????????? ??????? ?????????? ?????????????????????????????????????? ?????????????? ???????????????????????????????????????????????????? ??????? ??????????????? ??? ???????????????????????????????????????????????????????? ????? ??????? ????????????????????????? + ??????????????????????????????????? ????? ??????????????? ???-??-??? ??????

This technique entails correcting an actuator on each side with a mounting position that may be cost-free to pivot, which usually is made up of a mounting pin or maybe a clevis.The seat will be the orifice that presses against the disc when closing the valve. The seat and disc are usually comprised of a similar substance. After the seat or disc is

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