Do not allow any pipe dope into valve body in order to avoid damage to disc and seat.
Do not allow any pipe dope into valve body in order to avoid damage to disc and seat.
不要让任何管道粘接剂流入阀体内，以避免损坏阀瓣和阀座。
Do not allow any pipe dope into valve body in order to avoid damage to disc and seat.
不要让任何管道粘接剂流入阀体内，以避免损坏阀瓣和阀座。