Page 11 - Straub-Couplings-Catalog-2017
P. 11

 CR
B DV
STRAUB-FLEX
9.5
117
18.5 25
249 367
17 25
R
B DV
STRAUB-OPEN-FLEX (Slotted Type)
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.)
• STRAUB-OPEN-FLEX Installation tool available
For pressure ratings see Selection Charts. 2L, 2LS, 2LU: W2 & W5
2H, 2XS: W1
The selection charts are used to select the proper type of STRAUB-FLEX or STRAUB-OPEN-FLEX coupling for the application pressure. Separate charts are used for the TYPE 2 and 3 designs.
For complete dimensional data, see Page 10 or please consult the factory, STRAUB Technical Manual, or an authorized STRAUB Distributor.
Other sizes available upon request.
*STRAUB-FLEX is also available in a two-piece construction - useful for very tight spaces and for ease of handling.
STRAUB-OPEN-FLEX 2 couplings are available in two different styles depending on model and size:
• Slotted Casing
• 2-Piece Execution
STRAUB-OPEN-FLEX gaskets are cut and riveted to casing. Please consult your STRAUB professional for more information
C
STRAUB-FLEX 2 & STRAUB-OPEN-FLEX 2 COUPLING
For IPS Outside Diameter Pipe
STRAUB-FLEX 2 & STRAUB-OPEN-FLEX 2 Selection Chart
Nominal IPS Pipe Size (Inches)
6 8 10 12 14 16 18 20 24 28 30 32 36 42 48
Working Pressure psi/bar
367
Working Pressure psi/bar
2L Pipe Outside Working Diameter Pressure
In./mm psi/bar
6.625 189
168.3 13
8.625 145
219.1 10
10.750 116
2LS 2LU Working Working Pressure Pressure psi/bar psi/bar
225 387
17.6 26.7
198 367
13.5 25
161 323
2H 2XS
KV
273.1 8 11 22 25
12.750 102
323.9 7
14.000 87
132 264 367
OD
355.6 6 8.5
16.000
406.4
18.000
80
5.5
73
102
7.5
94
6.5
88
220 323 367
15 22 25
191 279 367
13 19 25
176 249 367
457.2 5
20.000 65
508.0 4.5
24.000 51
609.6 3.5
28.000
6 12 17 25
73 147 205 367
5 10 14 25
58 117 176 367
711.2 481225
30.000 58 117 176 338
762.0 481223
32.000
812.8
36.000
914.4
42.000
1066.8
48.000
1219.2
51 110 161 323
3.5 7.5 11 22
51 95 147 294
3.5 6.5 10 20
44 80 147 249
3 5.5 10 17
36 73 102 220
2.5 5 7 15
OD
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.
High-Performance Pipe Couplings
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