There are four different buffer units available for the Type 21 ranging from 50mm to 200mm.The Type 21 is a small unit with a lower capacity than other Oleo buffers so would generally be found on smaller cranes.These buffers are also used in steel mills as a stopper for hot slab works using multiple units.
Metric | Imperial | |
---|---|---|
Rated speed | ||
Maximum speed (115%) | ||
Stroke 'S' (min.) | ||
Impact mass range | kg | lbs |
Height 'H' max. (extended) | ||
Height 'C' min. (compressed) | ||
Height 'F' to reservoir top | ||
Weight no oil (dry) | ||
Oil volume | ||
Reduced stroke: Rated speed with terminal speed limiting device, based on EN81.1 rule 10.4.3.2 and ASME A17.1 rule 2.22.4.1.2 | ||
Reduced stroke ASME A17.1 | ||
Reduced stroke EN81.1 |