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4300 Catalog
Assembly / Installation
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
T37
Tube Clamping
Tube line supports (clamps) serve two primary purposes in
tube line systems; mounting and vibration dampening. Fatigue
failure due to mechanical vibration accounts for the majority
of tube line failures. Proper clamping of the tube also reduces
system noise.
Use a clamping system such as Parker’s ParKlamp along with
proper clamp spacing provided in Table T30.
For tube clamps to dampen vibration effectively, they need
to be anchored to a rigid structure. Clamping several tubes
together,without rigidstructural anchoring,doesnotprovide
effective dampening.
A mountie can be used in lieu of clamps in certain product
lines by anchoring a tee fitting to the equipment’s structure
(see Fig. T52).
Fig. T52 — Mountie cap used with Triple-Lok for anchoring tube
lines
Layout Data for Tube, Pipe and Hose Clamps: Standard (Inch) and Series A (Metric)
With Weld Plate
Rail Mounting
Table T33 — ParKlamp Standard Series
maximum tightening torque
Table T32 — ParKlamp Standard Series Installation
Dimensions
Routing and Clamping
Tube O.D.
A
(in.)
B
(ft.)
C
(in.)
(in.)
(mm)
1/4
6
2
3
4
5/16
8
3/8
10
1/2
12
4
5
8
5/8
14
3/4
18
7/8
22
1
25
1-1/4
30
6
7
12
1-1/2
38
2
50
Dimensions and pressures for reference only, subject to change.
Group
#
Installation Dimensions
M P N O
R
1
in. 1 5/16 1 3/16 1 3/16 5/8
15/16
mm 33
30
30 16.5
24.5
1a in.
1 7/16
1 1/8 5/8
15/16
mm 36
29
16
24
2
in.
1 11/16
1 7/16 3/4 1 1/16
mm 42
36 19.5
27.5
3
in.
2
1 1/2 13/16 1 1/8
mm 50
38 20.5
28.5
4
in.
2 3/8
1 3/4 15/16 1 1/4
mm 60
45
24
32
5
in.
2 13/16
2 3/8 1 1/4 1 9/16
mm 70
61
32
40
6
in.
3 1/2
2 11/16 1 7/16 1 3/4
mm 88
69
36
44
Torque
Bolt Thread
in.-lbs.
Nm
1/4 - 20 UNC
70
8
Table T30 — Recommended tube clamp
spacing