Piping - SMC Networks PF3WB Series Operation Manual

■Piping

For piping of the product, hold the piping with a wrench on the metal part of the piping (piping attachment
and main port of the main piping), which is integrated to the piping.
Use a wrench on other parts may damage the product.
Specifically, make sure that the spanner does not damage the M8 connector.
The connector can be easily damaged.
Width across flats of attachment
3/8
1/2
3/4
After hand tightening, tighten the hexagon head bolt 2 to 3 rotations by using a spanner.
Refer to the table below for the tightening torque.
Nominal thread size
Rc(NPT)3/8
Rc(NPT)1/2
Rc(NPT)3/4
Rc(NPT)1
If the tightening torque is exceeded, the product can be broken. If the correct tightening torque is not applied,
the fittings may become loose.
Avoid any sealing tape getting inside the piping.
Ensure there is no leakage from loose piping.
20.9 mm
23.9 mm
29.9 mm
Tightening torque
15 to 20 Nm
20 to 25 Nm
28 to 30 Nm
36 to 38 Nm
-25-
With across flats of the main port
1 41 mm
No.PF※※-OMW0004-A