Double Pitch roller chains are created in accordance using the ASME/ANSI B29.three (Transmission Series) and B29.four (Conveyor Series) American roller chain requirements. On the whole these chains are similar to ASME/ANSI standard solutions except 
the pitch is double. They may be obtainable in Transmission Series, Conveyor Series with Normal (modest) Rollers and Conveyor Series with Big (oversized) Rollers.
Transmission Series
This series is often utilised on drives with slow to reasonable speeds, reduced chain loads and lengthy center distances. Side plates possess a fi gure ?¡ã8?¡À contour. The chain quantity is obtained by including 2000 towards the ASME/ANSI chain variety as well as the prefi x letter ?¡ãA?¡À. Note that some providers never use a prefi x letter for this series so the chains may possibly be represented as A2040, A2050 and so on. or 2040, 2050 and so forth.
Conveyor Series with Common (tiny) Rollers
This series is usually made use of on light to reasonable load materials handling conveyors with or with out attachment back links. The side plate contour is straight for enhanced sliding properties. Pitch sizes of 1-1/2?¡À and larger have ?¡ãHeavy?¡À series website link plates (i.e. link plates with the subsequent greater chain dimension. The chain amount is located by including 2000 on the ASME/ANSI chain amount and the prefi x letter ?¡ãC?¡À. Chains together with the ?¡ãheavy?¡À type side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Large (oversized) Rollers
These chains possess large rollers to ensure that the chain rolls on the conveyor track minimizing friction. Chain numbers are found in the exact same way as mentioned above except the last digit to the chain variety is altered from ?¡ã0?¡À to ?¡ã2?¡À which denotes the huge roller.
Sprockets
Generally sprockets need to be developed specially for these chains in accordance on the ASME/ANSI B29.three and B29.four requirements even so, for Transmission Series and Conveyor Series with Regular (smaller) Rollers, ASME/ANSI B29.1 Typical roller chain sprockets may well be made use of offered the number of teeth is thirty or much more.
