Page 9 - ZF Beta Hydraulic Clamps
P. 9
Beta Clamp Technical Data
BETA CLAMPS TORQUE AND MATERIAL PROPERTIES RECOMMENDED PIPE CLAMP SPACING
TIGHTENING TORQUE
Clamp
Group
Bolt Size
Aluminum Cushion
Polypropylene Cushion
Polyamide Cushion
Lbf
Nm
Lbf
Nm
Lbf
Nm
BETA STANDARD
S1 - S7
1 ⁄ 4"-20
7
10
6
8
6
8
BETA HEAVY
H3, H4
3⁄8"-16
22
30
9
12
15
20
H5
3⁄8"-16
26
35
11
15
18
25
H6
1⁄2"-13
41
55
29
30
30
40
H7
5⁄8"-11
89
120
33
45
41
55
BETA TWIN
T1
1 ⁄ 4"-20
-
4
6
4
6
T2 - T5
5 ⁄ 16"-18
-
9
12
9
12
The outlined particulars are approximate values and are only valid as references, which are not binding, also with regard to possible protection of third parties, and they do not exempt you from your own examination of suitability of the products delivered by us. Therefore, these values can only be used in a limited sense for construction purposes. The application of the products is carried out outside our control possibilities and, therefore, is exclusively subject to your own area of responsibility. If, however, liability should be possible, it would be limited for all damages to the value of the goods supplied by us and in use by you. It goes without saying, that we guarantee the perfect quality of our products according to our general sales and delivery conditions.
RECOMMENDED PIPE CLAMP SPACING
Pipe O.D.
Spacing
in
mm
ft - in.
m
0.24" – 0.5"
6 – 12.7
3' - 3"
1.0
0.5" – 0.87"
12.7 – 22
3' - 11"
1.2
0.87" – 1.26"
22 – 32
4' - 11"
1.5
1.26" – 1.5"
32 – 38
6' - 7"
2.0
1.5" – 2.24"
38 – 57
8' - 10"
2.7
2.24" – 2.95"
57 – 75
9' - 10"
3.0
2.95" – 3"
75 – 76.1
11' - 6"
3.5
3" – 3.5"
76.1 – 88.9
12' - 2"
3.7
3.5" – 4"
88.9 – 102
13' - 1"
4.0
4" – 4.5"
102 – 114
14' - 9"
4.5
4.5" – 6.6"
114 – 168
16' - 5"
5.0
6.6" – 8.6"
168 – 219
19' - 8"
6.0
8.6" – 12.8"
219 – 324
21' - 12"
6.7
12.8" – 14"
324 – 356
22' - 12"
7.0
14" – 16"
356 – 406
24' - 7"
7.5
16" – 16.5"
406 – 419
26' - 11"
8.2
16.5" – 20"
419 – 508
27' - 11"
8.5
20" – 20.5"
508 – 521
29' - 6"
9.0
20.5" – 22"
521 – 558
32' - 10"
10.0
22" – 31.5"
558 – 800
41' - 0"
12.5
BETA CLAMP MATERIAL PROPERTIES
Material Properties
Polypropylene (PP)
Density
–
0.906 g/cm3
Tensile strengt h
DIN 53454
25-35 N/mm2
Flexure stress limit
DIN 53452
36N N/mm2
Compressive strength
DIN 53454
90 N/mm2
Impact strength
DIN 53453
No break
Thermo Properties
Polypropylene (PP)
Max. temp. resistance
-30 to 90°C
Thermal conductivity
15 x 10-5 /°C
Linear expansion coeff.
0.22 W/[mk]
Electrical Properties
Polypropylene (PP)
Specific volume
DIN 53482
1016 ohm x cm
Chemical Properties
Polypropylene (PP)
Consistent for weak acids, solvents, mineral oils and seawater.
DRILL SIZES FOR NPT PIPE TAPS
Tap Size (In.)
Threads/In.
Drill Dia. (In.)
1⁄8
27
R
1⁄4
18
7⁄16
3⁄8
18
37⁄64
1⁄2
14
23⁄32
3⁄4
14
59⁄64
1
111⁄2
15⁄32
11⁄4
111⁄2
11⁄2
11⁄2
111⁄2
147⁄64
2
111⁄2
27⁄32
21⁄2
8
25⁄8
3
8
31⁄4
31⁄2
8
33 ⁄4
4
8
41⁄4
TAP & DRILL SIZES (Unified National Coarse)
Tap Size (In.)
Threads/In.
Drill Size (In.)
1⁄4
20
7
5⁄16
18
F
3⁄8
16
5⁄16
7⁄16
14
U
1⁄2
13
27⁄64
9⁄16
12
31⁄64
5⁄8
11
17⁄32
3⁄4
10
21⁄32
7⁄8
9
49⁄64
1
8
7⁄8
11⁄8
7
63⁄64
11⁄4
7
17⁄64
13⁄8
6
17⁄32
11⁄2
6
111⁄32
13⁄4
5
19⁄16
2
41⁄2
125⁄32
RECOMMENDED CLAMPING FOR BENDS
Bends in the line should be clamped on BOTH sides of the bend as shown.
ZSi-Foster Engineering Catalog
– 9 –
Clamp Spacing