PN25,DN50-600

可加預保溫全焊接鋼制直埋球閥  Underground fully welded steel ball valve，pre-incubated

材料      Materials

圖表/產品說明  Graphs/product Descriptions

適用范圍  Application

供暖系統、區域供熱、工業用途、城市燃氣   Heating systems，district heating，industrial purposes

介質    Media

水，空氣，油和其他不與碳鋼發生化學反應的流體 Water，air，oil and other fluids，which are not decomposing carbon steel

【用途】

城市燃氣：燃氣輸出管道、主干線及各支線管道等；

集中供熱：大型供熱設備輸出管線、主干線、支線；

熱交換機：管道及各回路啟閉；

鋼鐵廠：各種流體管道、廢氣擇放管道、煤氣和熱力管道、燃料管道；

各種工業設備：各種熱處理管道、各種工業煤氣和熱力管道。

適用場合：供暖系統、供熱區域、工業管道等用途。

【Application】

City Gas: Gas output pipe, supply pipe for main line and all branch linesetc.

Collect heat supply: outlet pipe，main line and branch line for large heat supply equipment.

Heat exchangers: turn on and off of pipe and all loops.

Steel plant: various fluid pipes, discharging pipe for exhaust gas， supply pipe for gas，themmnal power and fuel.

Various industrial equipment: various heat teratment pipes, pipe for all kinds of industrial gas and thermal power.

Applications: Heating systems, heating area, industrial pipes and other purposes.

【設計標準】

公稱尺寸：DN50~600mm

公稱壓力：PN16-PN25

閥體材料：碳鋼ST37.0，A106-B；20號鋼

球體：不銹鋼304或316

閥桿：2Cr13

閥桿密封：全氟像膠

球體密封：RTFE（PTFE+C）

適用溫度：-29℃-200℃

操作方式：手柄、齒輪、電動、氣動。

【Design standard】

Nominal size: DN50~600mm

Nominal pressure: PN16-PN25

Body material: carbon steel ST37.0, A106-B; 20 steel

Sphere: stainless steel 304 or 316

Stem: 2Cr13

The valve stem sealing: full fluorine rubber

Ball seal: RTFE (PTFE+C)

Applicable temperature: -29 degrees -200 degrees

Mode of operation: the handle, gear, electric, pneumatic.