螺旋槽干气密封试验分析了干气密封螺旋槽几何参数对开启力、功耗、泄漏率和气膜刚度的影响，并通过理论计算对试验数据给予了验证。

The influences of the spiral groove parameters on the opening force, power loss, leakage rate and stiffness of gas film were investigated by the experimental test.

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阀门在试验过程中可翻转90度工作，特别适用气密封性能试验。

Valve can turn 90 degree working in testing course, especial suitable for property experiments of gas seal.

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