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Pipe & Welding Fittings
DPL413
Q
877.963.4966 • dixonvalve.com 608
Straub Open-Flex 1L Couplings
Not pull-out resistant.
Ensure that pipes are properly anchored and supported.
Applications:
• 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 lip seal 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.
Specifications:
•casing: AISI 316Ti
•screws: AISI 4135 steel
•bolts: AISI 12L 14 Galvanized
•EPDM sealing sleeve: temperature range- 4°F to 176°F
(-20°F to 212°F)
Approvals:
• American Bureau of Shipping (ABS) up to 232 PSI
•Underwriter's Laboratories (UL)
•National Sanitation Foundation (NSF)
Features:
•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 as 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
Size
Pipe OD Working
Pressure
PSI
Coupling
Dimensions
Assembled
Dimensions
Max. Distance
Between Pipe
End
R
Weight
(lbs.)
Stainless Steel
actual range
min to max B C H DV KV Part # Price/E
1½" 1.90" 1.85" to 1.95" 363 3.0" 1.4" .28 2.8" 3.3" .20" 1.10 STR35001 $268.95
2" 2.38" 2.32" to 2.42" 232 3.0" 1.4" .28 3.2" 3.7" .20" 1.34 STR35151 284.95
2½" 2.88" 2.81" to 2.93" 232 3.0" 1.4" .36 3.2" 3.7" .20" 1.80 STR35201 310.00
3" 3.50" 3.44" to 3.56" 232 3.7" 2.0" .36 4.4" 4.9" .20" 2.10 STR35351 324.95
4" 4.50" 4.43" to 4.57" 232 3.7" 2.0" .36 5.4" 5.9" .20" 2.33 STR35651 343.65
5" 5.56" 5.49" to 5.57" 232 4.2" 2.4" .38 6.4" 7.1" .20" 3.20 STR35901 433.80
6" 6.63" 6.54" to 6.71" 232 4.2" 2.4" .38 7.5" 8.1" .20" 3.70 STR36051 464.80
Assembly tool: STR6648, $348.55