Page 10 - 2023 Straub Couplings

OD
RC
X
B DV
STRAUB-FLEX-3 STRAUB-OPEN-FLEX
For IPS Outside Diameter Pipe
Nominal IPS Pipe Size
8
10
12
14
16
18
20
24
28
30
32
36
42
48
54
60
66
72
Diameter
8.63
219.1
10.75
273.1
12.750
323.9
14.000
355.6
16.000
406.4
18.000
457.2
20.000
508.0
24.000
609.6
28.000
711.2
30.000
762.0
32.000
812.8
36.000
914.4
42.000
1066.8
48.000
1219.2
54.000
1371.6
60.000
1524.0
66.000
1676.4
72.000
1828.8
Working Working Working Pressure Pressure Pressure
150 187
10.3 12.9
150 187
10.3 12.9
143 189 363
9.9 13.0 25.0
119 160 363
8.2 11.0 25.0
Working Working Pressure Pressure
STRAUB-FLEX 3 & STRAUB-OPEN-FLEX 3 Selection Chart
3L 3LS 3LU 3H 3X
(Inches)
In./mm
psi/bar
psi/bar
psi/bar
psi/bar
psi/bar
107 140 328 363
7.4 9.7 22.6 25.0
95 125 292 363
6.6 8.6 20.1 25.0
85 112 263 363
5.9 7.7 18.1 25.0
Non-Axial-Restraint Pipe Coupling
For IPS Outside Diameter Pipe
• 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.)
71 94 203
4.9 7.0 14
59 81 174
4.1 5.6 12
55 74 160
3.8 5.1 11
55 71 152
3.8 4.9 10.5
46 64 123
3.2 4.4 8.5
39 54 107
2.7 3.7 7.3
34 51 94
2.3 3.5 6.5
30 42 81
2.1 2.9 5.5
26 36 73
1.8 2.5 5.0
22 36 60
1.5 2.4 4.1
20 29 51
1.3 2.0 3.5
251 363
17.3 25.0
218 363
15.0 25.0
203 363
14.0 25.0
189 363
13.0 25.0
187 334
11.5 23.0
145 261
10.0 18.0
123 247
8.5 17.0
113 223
7.5 15.4
102 203
7.0 14.0
89 182
6.0 12.5
80 160
5.5 11.0
10
STRAUB-FLEX 3 & STRAUB-OPEN-FLEX 3 COUPLING
3L, 3LS, 3LU: W2 & W5 3H, 3X: W1
For complete dimensional data, see selecction chart or 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 Construction
OPEN-FLEX gaskets are cut and riveted to casing
Please consult your STRAUB professional for more information
All STRAUB couplings require correct use of a torque wrench for safe and proper installation. STRAUB couplings must be torqued to the specified value printed on each individual coupling. Failure to do so can result in injury or death.
WARNING: Cancer and Reproductive Harm Warning. For more information go to http://www.P65Warnings.ca.gov.