Tube Fitting
4
PC
(1)
1/4
(2)
N1
(3)
U
(4)
T
⑤
Tightening outside hexagon
Model Designation (example)
Connection and Disconnection
Detailed Safety Instructions
1. How to fit and release Tubing 2. How to tighten the screw
(1). Tube insertion
Simply insert a tubing to the
tube end of Tube Fitting. The
lock claws automatically fix the
tubing, and the elastic sleeve
seals the tube surrounding.
Please refer to "2. Cautions
on the fitting of tube" in
"Common Safety Instructions
for Quick-Fitting Joint" for other
instructions.
For the type of tightening outside
hexagon, apply a spanner or an
impact wrench.
For the type of tightening inside
hexagon (This enables to space
Tube Fittings closer), apply a Hex
Keys. (Please refer to the text for
detail.)
Please refer to Table 3 Tightening
Torque, Sealock color and Gasket
Material in "4. Cautions on the
installation of joint body" in
"Common Safety Instructions for
Quick-Fitting Joint".
(2). Tube release
In case of releasing the tube,
push the release ring. The lock
claws open and the tube can
be released.
Before releasing the tube,
make certain that the pressure
inside the tube is zero pressure.
(3). Thread size (R) or Tube dia. (øD)
Metric thread Taper pipe thread
Code
M5 01 02 03 04
Size M5×0.8 R1/8 R1/4 R3/8 R1/2
Unified fine thread American standard taper pipe thread
Code
U10 N1 N2 N3 N4
Size 10-32UNF NPT1/8 NPT1/4 NPT3/8 NPT1/2
(2). Tube dia. (øD) or Thread size (R)
mm size
Code
4 6 8 10 12
Dia. (mm) 4 6 8 10 12
inch size
Code
5/32 1/4 5/16 3/8 1/2
Dia. (inch) 5/32 1/4 5/16 3/8 1/2
(4). Hexagon flat-to-flat specification
U: Hexagon flat-to-flat inch spec. (NPT)
No code: Hexagon flat-to-flat mm spec.
(1). Type
Before using the PISCO device, be sure to read the "Safety Instructions", "Common Safety Instructions for Products Listed
in This Manual" on page 19 to 21 and "Common Safety Instructions for Quick-Fitting Joint" on page 22 to 23.
Warning
1. When the fluid admitted is water, do not use the PISCO device unless the application satisfies all the conditions required in
specifications, Otherwise damage may be caused to the joint body, the tube may come off or leakage may result.
