Double Pitch roller chains are generated in accordance with all the ASME/ANSI B29.3 (Transmission Series) and B29.4 (Conveyor Series) American roller chain specifications. Generally these chains are comparable to ASME/ANSI common items except that the pitch is double. They may be out there in Transmission Series, Conveyor Series with Conventional (tiny) Rollers and Conveyor Series with Massive (oversized) Rollers.
Transmission Series
This series is usually employed on drives with slow to reasonable speeds, minimal chain loads and prolonged center distances. Side plates have a fi gure ?¡ã8?¡À contour. The chain amount is obtained by adding 2000 for the ASME/ANSI chain quantity plus the prefi x letter ?¡ãA?¡À. Note that some organizations will not use a prefi x letter for this series so the chains could be represented as A2040, A2050 and so forth. or 2040, 2050 and so forth.
Conveyor Series with Typical (compact) Rollers
This series is often utilised on light to reasonable load materials managing conveyors with or without having attachment hyperlinks. The side plate contour is straight for enhanced sliding properties. Pitch sizes of 1-1/2?¡À and more substantial have ?¡ãHeavy?¡À series hyperlink plates (i.e. hyperlink plates of the next more substantial chain dimension. The chain quantity is identified by including 2000 for the ASME/ANSI chain quantity as well as the prefi x letter ?¡ãC?¡À. Chains with all the ?¡ãheavy?¡À style side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Huge (oversized) Rollers
These chains possess huge rollers in order that the chain rolls on a conveyor track lowering friction. Chain numbers are identified during the exact same way as mentioned over except the last digit to the 
chain amount is altered from ?¡ã0?¡À to ?¡ã2?¡À which denotes the substantial roller.
Sprockets
Usually sprockets must be made specially for these chains according towards the ASME/ANSI B29.three and B29.four standards on the other hand, for Transmission Series and Conveyor Series with Standard (smaller) Rollers, ASME/ANSI B29.1 Common roller chain sprockets may well be utilised offered the amount of teeth is thirty or additional.
