Page 12 - Straub-Couplings-Catalog-2017
P. 12

 CR
B DV
STRAUB-FLEX-3
R
C
B DV
STRAUB-OPEN-FLEX
Non-Axial Restraint Pipe Couplings
• Pipes must be properly anchored and supported.
• STRAUB-FLEX & STRAUB-OPEN-FLEX Couplings are NOT pull-out resistant.
• STRAUB-STRONG Special Restraint System. (Info and pricing available on request.)
12.750 143
323.9 9.9
14.000 119
355.6 8.2
16.000 107
406.4 7.4
18.000 95
457.2 6.6
20.000 85
508.0 5.9
24.000 71
609.6 4.9
28.000 59
711.2 4.1
30.000 55
762.0 3.8
32.000 55
812.8 3.8
36.000 46
914.4 3.2
42.000 39
1066.8 2.7
48.000 34
1219.2 2.3
54.000 30
1371.6 2.1
60.000 26
1524.0 1.8
66.000 22
1676.4 1.5
72.000 20
1828.8 1.3
189 363
13.0 25.0
160 363
11.0 25.0
12
STRAUB-FLEX 3 & STRAUB-OPEN-FLEX 3 COUPLING
For IPS Outside Diameter Pipe
Nominal IPS Pipe Size (Inches)
8 10 12 14 16 18 20 24 28 30 32 36 42 48 54 60 66 72
Diameter
In./mm
8.63
219.1
10.75
273.1
Working Working Pressure Pressure psi/bar psi/bar
150 187
10.3 12.9
150 187
10.3 12.9
Working Pressure psi/bar
Working Working Pressure Pressure psi/bar psi/bar
STRAUB-FLEX 3 & STRAUB-OPEN-FLEX 3 Selection Chart
3L, 3LS, 3LU: W2 & W5 3H, 3X: W1
3L 3LS 3LU 3H 3X
KV
OD
OD
For complete dimensional data, see Page 10 or please consult the factory, STRAUB Technical Manual, or an authorized STRAUB Distributor.
STRAUB-FLEX-3 & STRAUB-OPEN FLEX-3 are designed with 3-BOLTS Other sizes available upon request.
STRAUB-OPEN-FLEX 3 couplings are available in two different styles depending on model and size:
• Slotted Casing
• 2-Piece Execution
OPEN-FLEX gaskets are cut and riveted to casing
Please consult your STRAUB professional for more information
All STRAUB couplings require the correct use of a torque wrench for a safe and proper installation. STRAUB couplings must be torqued to the specified value as printed on each individual coupling. Failure to do so can result in injury or death.
140
9.7
125
8.6
112
7.7
94
7.0
81
5.6
74
5.1
71
4.9
64
4.4
54
3.7
51
3.5
42
2.9
36
2.5
36
2.4
29
2.0
328 363
22.6 25.0
292 363
20.1 25.0
263 363
18.1 25.0
203 251 363
14 17.3 25.0
174 218 363
12 15.0 25.0
160 203 363
11 14.0 25.0
152 189 363
10.5 13.0 25.0
123 187 334
8.5 11.5 23.0
107 145 261
7.3 10.0 18.0
94 123 247
6.5 8.5 17.0
81 113 223
5.5 7.5 15.4
73 102 203
5.0 7.0 14.0
60 89 182
4.1 6.0 12.5
51 80 160
3.5 5.5 11.0
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