一 用途 Application
球閥是一種管線閥門產(chǎn)品，用于接通或截斷管路中的介質。一般是處于全開或全關狀態(tài)，在微開狀態(tài)下可作流量的調節(jié)使用。廣泛適用于工況條件下水、氣、油品等介質的各種管路中。
Ball valve is pipeline valve, used for connecting or cutting off medium in the pipelines. Normally it is at the state of opening or closing. And it could function as regulating the flow when it is at the state of slightly open. It is used on the pipeline such as water, gas, oil etc.
二 性能規(guī)范 Performance Specification
壓力等級： Class150； Class300； Class600；
Pressure: Class150； Class300； Class600；
公稱尺寸：NPS 2 ～NPS24；
Nominal Size: NPS 2 ～NPS24
閥體材料： ASTM A216 WCB； ASTM A351 CF8；
Body Material:ASTM A216 WCB；ASTM A351 CF8；
產(chǎn)品的設計、制造按API6D的規(guī)定；檢查試驗按API6D的規(guī)定；法蘭連接尺寸按 ASME B16.5的規(guī)定；結構長度按API6D的規(guī)定；
Designed and manufactured according to API6D; Inspected and tested according to API6D;
Flange ends according to ASME B16.5; Face to face according to API 6D
適用介質：水、蒸汽、油品等。
Suitable Medium: Water, Steam, Oil etc
●對WCB材料，適用操作溫度：（0～150）℃
For WCB material: suitable temperature for operation: （0～150）℃
在適用操作溫度范圍中*大操作壓力分別見表1 表1
Maximum operation pressure based on suitable temperature for operation: Form 1:
溫度
℃各磅級的*大操作壓力 ( MPa )Class 150Class 300Class 60001.965.1110.211501.584.519.02
Temperature℃Max.working pressure ( MPa )Class 150Class 300Class 60001.965.1110.211501.584.519.02
●對CF8材料，適用操作溫度：（0～150）℃
For CF8 material: suitable temperature for operation: （0～150）℃
在適用操作溫度范圍中*大操作壓力分別見表1 表1
Maximum operation pressure based on suitable temperature for operation: Form 1:
溫度
℃各磅級的*大操作壓力 ( MPa )Class 150Class 300Class 60001.904.969.931501.423.707.40
Temperature
℃Max.working pressure ( MPa )Class 150Class 300Class 60001.904.969.931501.423.707.40
三 作用原理及結 |
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