Chains for pipe flange connections having an electric tightener

Clamp for joining together a pair of flanges

Clamp for joining two metal pipes

Clamping apparatus for joining two flanges

Clamping system for the sealed connection of two tubes...

Clamping system for the sealed connection of two tubes...

Collapsible spacer pipe

Compact pipe coupling device

Connecting device

Connecting insulated duct

Connection element for connecting neighboring connection...

Connection of a coupling collar to and end of a hardened pipe

Constant tension clamping device for flanged connections

Contractible coupling

Corner bracket and interconnection system for ducting

Corner pieces for improved duct connector

Coupling

Coupling apparatus

Coupling assembly for connecting corrugated conduit

Coupling device