◎ For installation: corresponding torque wrench or pipe wrench is adopted to screw the hexagonal or octagonal part on the same
side of the thread into the effective length of the thread, and excessive screwing shall be prevented to avoid jacking the
internal end surface. The screw is sealed with PTFE raw material belt or thread sealing glue.
side of the thread into the effective length of the thread, and excessive screwing shall be prevented to avoid jacking the
internal end surface. The screw is sealed with PTFE raw material belt or thread sealing glue.