["조절밸브 전후为什么要变径 kinoje",]["조절밸브 전후 변경은 조절 성능을 향상시키기 위함이며, 일반적으로 밸브의 직경은 파이프보다 1等级 kino해","]["공정 블록에서 많은 관련 논의가 있습니다 kino해","]["말씀하신 대가 정확합니다. 공유해 주셔서 감사합니다!:lol kino해"]["공유해 주셔서 감사합니다. 배웠습니다,等级

2017-03-28View Original

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调节阀前后变径是为了提高调节性能，一般调节阀的口径要比管道小一至二等级，在阀前变径提高阀前压力使调节更加灵敏，更好的实现自动调节；在阀后变径为了降低出口管的压力。变径也起到了节流作用。采用同心大小头，调节阀的流动状态更好一些，控制精度相对高一些。采用偏心大小头，可以防止调节阀两端积液。

Reply #22017-03-28

在工艺板块有很多相关讨论

Reply #32017-03-28

说的很到位，感谢分享！:lol

Reply #42021-12-07

感谢分享，学*了，大有帮助！

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