11
Outlet Port
・
Pipes connected to the outlet port must be as large as the port diameter and
pressure resistant type.
Piping for the Pump
●
Torque Applied on Pipe Connection
The maximum torques permissible for pipe connections to NOP coolant unit
are given in the table that follows:
Table 3: Maximum Permissible Torque by the Pipe Size
Caution
Be sure to follow the instruction of torque control above.
Caution
Do not use liquid type sealant. Do not use sealant tape too
much. Excess use of sealant tape may result in over-torque and
damage the port.
●
Connecting the Pipes
・
To prevent leaks and air entry, make sure all pipe connections are securely
tightened and completely sealed.
・B
e sure to use pipe-supports so that the pipes are self-supported and no
weight will be placed on the pump.
・Make sure that the pipe lengths and angles are correct when assembled so that
no unnecessary strain is placed on the pump.
・Installation of a pressure gauge is highly recommended as pump conditions can
be easily monitored.
・
Installation of a stop valve, union joints, and such other fittings are also
recommended for easy maintenance.
●
Pipes and Pipe Joints
・
Be sure to flush out all pipes to ensure that they are thoroughly clean before
use.
.
Caution
Do not attempt to flush out piping if already assembled with the
pump.
Caution
Airtight test must be completed before installation.
Pipe size, Rc
1
－
1/2"
3/4"
Torque N·m
150
60
