Page 18 - 2023 Straub Couplings

STRAUB PIPE COUPLINGS
PVC, ABS, CPVC, - Yes Yes C900
Yes Stiffening Ring required for temps above 105°F
FORCES TO AVOID
Pull-Out Forces
Axial Force (FA)
OK for STRAUB-GRIP Type. Not resisted by STRAUB-FLEX/OPEN-FLEX
Sheer
Loads*
(consult factory for specific data)
Weight (FR)
Not resisted by STRAUB-FLEX or STRAUB-GRIP
Knee
Buckling (Fk)
Not resisted by STRAUB-FLEX or STRAUB-GRIP. Pipes must be properly guided.
*Please consult the factory or an authorized STRAUB Distributor for any installation or application questions.
COUPLING/PIPE COMPATIBILITY:
Steel, Stainless Steel - Yes Yes Yes
HDPE, PP, Noryl Required - Yes Yes
Straub flex must be properly anchored
For STRAUB-FLEX pipes must be properly anchored
Pipe Materials
Stiffening Ring
STRAUB-METAL GRIP/STRAUB-GRIP
STRAUB-FLEX/ STRAUB-OPEN-FLEX
STRAUB-COMBI GRIP/ PLASTI GRIP
Remarks
CFK, CRP, FRP, GRP (Centrifugal wound pipes)
-
-
Yes
-
Seal pipe surface at the cutting edge
Asbestos cement - - Yes -
Concrete, CPP - - Yes -
Cast (ductile, grey) - Yes Yes Yes
Glass, Ceramic - - Yes
Copper-Nickel - Yes Yes Yes
Aluminum - Yes Yes Yes
Equalize rough surface with coating or filler
Soft Copper with Stiffening Ring only
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