主要测试结果
DN350, 300磅级，阀体C12
TYPICAL TEST RESULTS
14" Class 300 C12 Body

1. 水压测试
   阀门通过测试，零泄漏。
   Hydrostatic tests
   Valve passed testing with zero leakage.
2. 常温常压下循环测试
   阀门通过测试：
   首选水流方向5000次，非首选水流方向3000次，阀座和垫圈上零泄漏。也测试了DN200，300磅级无阻塞测试30,000次。
   Ambient cycling tests
   Valve passed:
   5000 Cycles with preferred flow direction, 3000 Cycles with nonpreferred flow direction and zero leakage at seats and gasket Also tested 8" Class 300 to 30,000 cycles with no jamming.
3. 热循环测试
   在压力150-200 psi，高温426-482^oC蒸汽流环境下，阀门通过7250次无磨损无阻塞测试。
   Hot cycling tests
   The valve under flow of steam at 150-200 psi superheated to 800-900^oF passed 7250 cycles without seizing or jamming.

　　数字883表示实际高温蒸气温度 (^oF)。
　　The number 883 indicates the actual superheated sream temperature (^oF).

　　数字900表示设置高温蒸气温度 (^oF)。
　　The number 900 indicates the steam temperature setting (^oF).

　　数字806表示在阀门内部的实际蒸汽温度 (^oF)。
　　The number 806 indicates the actual superheated steam temperature (^oF) at the valve inlet.

　　在压力150 psi，高温蒸气温度超过426^oC环境下，DN200，300磅级阀门热循环测试
　　8" Class 300 valve hot cycled at 150 psi steam superheated to over 800^oF.