Is the distance of the shock-absorbing ring from the upper and lower ends of the gas cylinder 200–250 mm each?
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Dear experts: The distance between the shock-absorbing ring and the upper and lower ends of the gas cylinder is 200–250 mm each. Where is this requirement specified? Also, I looked up many standards, but I didn’t see any requirement that gas cylinders must be equipped with shock absorbers
Any expert passing by, please help answer; I’m seeking advice.