Page 10 - Straub-Couplings-Catalog-2017
P. 10

 STRAUB-OPEN-FLEX-IL
Non-Axial Restraint Pipe Coupling
For IPS Outside Diameter Pipe
• Open-Flex Meets AWWA C-230 & C-227
• 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.)
STRAUB-FLEX 1L & STRAUB-OPEN-FLEX 1L
CR
B DV
Nominal IPS
Inches
11⁄2
2
21⁄2
3
4
5
6
* W2 or W5
Actual
In./mm
1.900
48.3
2.375
60.3
2.875
73.0
3.500
88.9
4.500
114.3
5.500
139.7
6.625
168.3
+/-
In./mm
1.85 - 1.95
46.9 - 49.5
2.32 - 2.42
58.9 - 61.4
2.81 - 2.93
71.3 - 74.4
3.44 - 3.56
87.3 - 90.4
4.43 - 4.57
112.5 - 116.0
5.45 - 5.57
138 - 141.5
6.54 - 6.71
166.1 - 170.4
B
In./mm
3.0
C
In./mm
1.4
DV
In./mm
2.8
KV
In./mm
3.3
In./mm
0.2
5
0.2
5
0.2
5
0.2
5
0.2
5
0.2
5
0.2
In./mm Lbs./kg
0.6 1.1
15 0.5
0.6 1.3
15 0.6
1.0 1.76
25 .8
1.0 2.1
25 1.0
1.0 2.3
25 1.1
1.4 3.1
35 1.4
1.4 3.7
PIPE OUTSIDE DIAMETER OD Range
Working Pressure psi/bar 363
COUPLING DIMENSIONS
ASSEMBLED DIMENSIONS
MAXIMUM DISTANCE BETWEEN PIPE ENDS (Rmax.)
Without With Strip insert
Approx. Weight Each
STRAUB-FLEX 1L & STRAUB-OPEN-FLEX 1L COUPLING
FLEX COUPLING
25 76 35 71 85
232
16.0
232
16.0
232
16.0
232
16.0
232
16.0
232
16.0
3.0 1.4
3.2
81
3.2
81
4.4
3.7
95
3.7
95
4.9
KV
KV
OD
OD
STRAUB-FLEX or STRAUB- OPEN-FLEX TYPE
2L
2LS
2LU
2H
2XS
Maximum Distance Between Pipe Ends (Rmax.)
Without With Strip insert
STRAUB-FLEX
or STRAUB- COUPLING OPEN-FLEX DIMENSIONS
TYPE B C
In./mm In./mm
3L 8.3 5.0
210 127
3LS 8.3 5.0
210 127
3LU 8.4 5.0
213.4 127
3H 8.35 5.0
212 127
3X 8.58 5.0
218 127
W1, W2, or W5, See Page 6 for details.
OPEN-FLEX 3 not available in hinged style. 3LV version available in lean duplex steel.
Maximum Distance Between Pipe Ends (Rmax.)
Without With Strip insert
In./mm In./mm
0.59 2.36
15 60
0.59 2.36
15 60
0.59 2.36
15 60
0.59 2.36
15 60
0.59 2.36
15 60
OPEN-FLEX 1L in hinged style only
CR
B DV
Other sizes available upon request.
STRAUB-FLEX 2 & STRAUB-OPEN-FLEX 2 Dimensions
STRAUB-FLEX 3 & STRAUB-OPEN-FLEX 3 Dimensions
COUPLING ASSEMBLED DIMENSIONS DIMENSIONS B C DV
In./mm In./mm In./mm
5.4 3.6 OD+.91
138 91 OD+23
5.5 3.6 OD+.95
140 91 OD+24
5.5 3.6 OD+.95
141 91 OD+24
5.6 3.6 OD+1.02
142 91 OD+26
5.8 3.6 OD+1.26
148 91 OD+32
In./mm
0.39
10
0.39
10
0.39
10
0.39
10
0.39
10
In./mm
1.38
35
1.38
35
1.38
35
1.38
35
1.38
35
ASSEMBLED DIMENSIONS DV In./mm OD+1.42 OD+36 OD+1.46 OD+37 OD+1.50 OD+38 OD+1.5 OD+38 OD+1.73 OD+44
W1, W2, or W5, Consult factory for details
OPEN-FLEX 2 not available in hinged style.
2LV version in lean duplex available. Price on request only.
Price on request only.
10
76 35
3.0 1.4
76 35
3.7 2.0
94 51
3.7 2.0
94 51
4.2 2.4
107 61
4.2 2.4
107 61
112 125
5.4 5.9
137 150
6.4 7.1
163 180
7.5 8.1
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.
191206535
1.7
STRAUB-FLEX & STRAUB-OPEN-FLEX COUPLING
Coupling Dimensions
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