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CSP Manual Published.

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Corrugated Steel Pipe Coupling Systems
csp-coupling-system.jpgThe performance and material requirements for CSP coupling systems are scattered among several ASTM and AASHTO specifications. The two most commonly used specifications for defining CSP coupling systems are Section 26 of the AASHTO Standard Construction Specification for Highway Bridges and ASTM A760, Standard Specification for Corrugated Steel Pipe, Metallic Coated for Sewers and Drains.

All CSP coupling systems involve one of the coupling bands depicted in the table below and may require a flat or o-ring gasket.

For more information on specific joint characteristics, check out the Corrugated Steel Pipe Design Manual or send us your questions through our Answer Desk.



Coupling bands for corrugated steel pipe
Type of Band
 Cross Section
 Angles Bar, Bolt & Strap
 Wedge Lock
 Gaskets Pipe End
O-Ring Sleeve or Strip
 Mastic Anular Plain Helical
Plain Reformed
Universal Universal X X X X X X X X
Corrugated corrygated X X X X X X X X
Semi-Corrugated semi X X X X X X X
Channel channel X X X X X
Flat flat X X X X X X X X
Hat hat X X X X



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