Con-Serv Inc
 

Type CSA & CSB Slide Bearings

 
 

Product Description and Characteristics

CON-SLIDE™ slide bearings are constructed of filled PTFE® (PTFE) bonded to flat rigid back-up steel. CON-SLIDE bearings are designed to reduce friction at loaded expansion and contraction joints in bridges, building, pipelines, etc. The CON-SLIDE material, at thermal expansion and contraction rates, will exhibit little or no wear for the life of the structure.

CON-SERV Inc depicts (2) standard bearing systems as follows:

Type CSA (75 psi to 2000 psi)

This blend (CSA) was formulated for use against itself as a slide material.

The CSA system consists of an upper and lower element. The PTFE slide surfaces in this system are nominally 3/32" thick and are control-bonded to a 10-gauge carbon steel (CS) back-up sheet. Normally the upper element is larger than the lower element by the amount of anticipated movement. See graph 2 for allowable design pressures at various temperatures.

Type CSB (2000 psi to 4000 psi)

This blend (CSB) was formulated for use against a smooth stainless steel surface.

The CSB system consists of an upper and lower element. The PTFE surface (1 only) is on the lower element. It is nominally 1/16" thick and is control-bonded to a 10-gauge carbon steel (CS) back-up sheet. The upper element is composed of a 20-gauge stainless steel (SS) sheet (RMS<20) resistance welded to a 10-gauge carbon steel (CS) back-up sheet. See graph for allowable design pressures at various temperatures.

Sizing for Types CSA and CSB

The design engineer shall determine the square inches of bearing area required for the lower element by dividing the load by the allowable pressure from the graph. The upper element is sized for the movement after the lower element is sized for load.

CON-SERV Inc can supply any practical size cut from stock steel. Size is out to out of back-up plate.

For ease of installation, CON-SERV recommends a back-up plate 1" larger than the CSA or CSB size to allow a 1/2" recess all around. This recess must be provided for plates requiring a seal weld.

Airport Industrial Park

685 Aviation Blvd.

Georgetown, SC 29440

Phone 843.546.1044

Email: sales@con-servinc.com