Page 19 - Straub-Couplings-Catalog-2017
P. 19

 INSTALLATION
INSTALLATION INFORMATION
STRAUB PIPE COUPLINGS INSTALLATION AND REMOVAL INSTRUCTIONS
REMOVAL
  Do not disassemble coupling.
Coupling comes ready to install.
Cut pipes to desired lengths.
Clean and de-burr pipe ends.
Pipes must be properly supported.
Center coupling over gap between pipe ends.
Do not exceed maximum allowed gap between pipe ends.
Using a torque wrench, tighten bolts to torque value printed on coupling. Ensure that all bolts have been correctly torqued.
Make sure there is no pressure or product in the system. Loosen bolts. Do not remove bolts completely.
Carefully pry up and tap casing to release grip ring and gasket from pipe surface.
Slide coupling to side for removal.
  CAUTION
Do not attempt to move coupling over pipe after tightening. After coupling has been correctly installed, do not re-torque. Do not hang weight of pipe in coupling.
Insure that pipes are properly supported.
STRAUB-FLEX Type couplings require anchored pipes. STRAUB-FLEX Type couplings are not pull out resistant.
    IMPORTANT APPLICATION INFORMATION
 A strip insert is required for vacuum service or for external pressure. See Column 6 for maximum gap requirements.
 STRAUB couplings are assembled with an internal silicone lubricant, special order when silicone-free product is required.
 STRAUB couplings are not designed to accommodate shear loading, or rotational (torsional) pipe movement. The weight of the pipe and contents must be supported. Only “STRAUB-GRIP” type couplings provide axial restraint.
 STRAUB-FLEX type couplings “DO NOT PROVIDE FOR AXIAL TYPE RESTRAINT”. When using STRAUB-FLEX type cou- plings, pipes must be properly anchored and supported.
 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.
 CONDUCTIVITY CLIPS
 STRAUB-GRIP type couplings are conductive by design. STRAUB-FLEX type couplings require the use of STRAUB Conductivity Clips to insure electric current continuity between pipes. Conductivity Clips are not standard and must be ordered separately.
STRIP INSERTS
Strip inserts need only be used if required. Strip inserts protect the sealing sleeve against mechanical or chemical damage in the pipe gap area. Strip inserts are required when the distance between pipe ends is excessive or when axial movement is com- bined with angular deflection or axial "misalignment". The instal- lation can be pre-fitted for all pipe coupling types. Strip inserts are also required for vacuum service or when aggressive media may be expected to degrade the rubber gasket. Selection of insert material to be dictated by the medium.
"T" type inserts (shown) also available for special applications.
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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