Product synopsis: Spring buffer is currently one of the most widely used buffer, its construction and maintenance is simple, the work of temperature not special requirements, absorb energy is bigger, about 100 J/KG to 250 J/KG (spring). Mainly used for bridge type, door crane, also can be used for other crane. Its defect is serious, should not be used to rally the running speed of the greater than 2 m/s occasion. Note: do not use on running speed is greater than the 2 m/s occasion.
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