A big fire ,gas spring be burned out of all recognition.Why gas lift  explode

Lifting gas spring does not explode , because after the high temperature ,damage the rubber seal ,gas leaking ,So the gas spring does not explode .

（1）Standard of the Taper and taper length of Pressure tube ,support can .Show as (Fig 3) ：

 X：Taper length  ，Y：Body length（According client’s requirement ）

（2）Travel ，Fig（4）

（3） Spindle tube marking,Like Fig(5)