Bush chains are produced in accordance with ČSN 02 3301 and in dimensions according to ČSN 02 3329. Our manufacturing programme also includes Rotary Vane Vacuum Pumps non-standard bush chains produced according to your internal documentation.
A bush chain is very similar to the roller chain. Nevertheless, it does not possess friction – reducing rollers and can be thus suitable rather for lower traveling speeds. The permitted regular motion speeds of the slow-working bush chains range from 0.3 m/sec to 1 1.2 m/sec, with 
no more than 3.0 m/sec. Bush chains are most regularly used in applications requiring continuous procedure under coarse working circumstances as well as procedure in warm and humid environment where the use of belt drives would be inappropriate.
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