Dixon Straub Open-Flex 1L Couplings
| For permanent Repair |
|
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| Valves | Dixon - Pipe and Welding Fittings |
Straub Open-Flex 1L couplings are suitable for repairing or joining pipes where access to the pipe end is difficult or not possible.
This unique wrap-around design differs from similar type repair products because the installation or repair is permanent due to
the unique flexible lipseal gasket design. Open-Flex couplings will also act as an expansion joint. Straub Open-Flex couplings
do require the pipes to be properly anchored and restrained as they are not pull-out resistant like the Straub Grip-L couplings.
Use Straub Open-Flex couplings to replace bolted sleeve type couplings (AWWA Std. C-219) or for permanent repairs or
installation.
- Joins like or dissimilar pipe materials: steel, galvanized,
painted, stainless steel, thin-wall stainless steel, PVC,
copper
- Requires no special tools or pipe-end preparation; only
a torque wrench is required for a secure and safe pipe
connection that seldom needs retightening.
- highest quality 316 Ti stainless steel construction
- accommodates up to 5° of pipe misalignment
- vary gap between pipe ends
- absorbs vibration, water hammer, and sound
- acts an an expansion joint; will accept up to .25" of axial movement
- 5 year limited warranty
- reusable
- conforms to ASTM 1476, Type 2, Class 3 specifications
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Specifications:
- casing: AISI 316Ti
- screws: AISI 4135 steel
- bolts: AISI 12L 14 Galvanized
- EPDM sealing sleeve: temperature range
- 4°F
to
176°F
(-20°C to 80°C)
Approvals:
- American Bureau of Shipping (ABS)
up to 232 PSI
- Underwriter’s Laboratories (UL)
- National Sanitation Foundation (NSF)
|
| Size |
Pipe OD |
Working Pressure |
Coupling Dimensions |
Assembled Dimensions |
Maximum
Distance Between
Pipe End |
Weight
(lbs) |
Stainless Steel |
| actual |
range
min to max |
PSI
|
B |
C |
H |
DV |
KV |
R |
Part # |
| 1-1/2" |
1.90" |
1.85" to 1.95" |
363 |
3.0" |
1.4" |
.28 |
2.8" |
3.3" |
.20" |
1.10 |
STR35001 |
| 2" |
2.38" |
2.32" to 2.42" |
232 |
3.0" |
1.4" |
.28 |
3.2" |
3.7" |
.20" |
1.34 |
STR35151 |
| 2-1/2" |
2.88" |
2.81" to 2.93" |
232 |
3.0" |
1.4" |
.36 |
3.2" |
3.7" |
.20" |
1.80 |
STR35201 |
| 3" |
3.50" |
3.44" to 3.56" |
232 |
3.7" |
2.0" |
.36 |
4.4" |
4.9" |
.20" |
2.10 |
STR35351 |
| 4" |
4.50" |
4.43" to 4.57" |
232 |
3.7" |
2.0" |
.36 |
5.4" |
5.9" |
.20" |
2.33 |
STR35651 |
| 5" |
5.56" |
5.49" to 5.57" |
232 |
4.2" |
2.4" |
.38 |
6.4" |
7.1" |
.20" |
3.20 |
STR35901 |
| 6" |
6.63" |
6.54" to 6.71" |
232 |
4.2" |
2.4" |
.38 |
7.5" |
8.1" |
.20" |
3.70 |
STR36051 |
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Not pull-out resistant.
Ensure that pipes are properly anchored and supported.
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Assembly tool available, STR6648. 
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