PN25,DN50-600
可加预保温全焊接钢制直埋球阀 Underground fully welded
steel ball valve，pre-incubated
材料 Materials
图表/产品说明 Graphs/product Descriptions
适用范围 Application
供暖系统、区域供热、工业用途、城市燃气 Heating systems，district
heating，industrial purposes
介质 Media
水，空气，油和其他不与碳钢发生化学反应的流体 Water，air，oil and other fluids，which are not decomposing carbon steel
【用途】
城市燃气：燃气输出管道、主干线及各支线管道等；
集中供热：大型供热设备输出管线、主干线、支线；
热交换机：管道及各回路启闭；
钢铁厂：各种流体管道、废气择放管道、煤气和热力管道、燃料管道；
各种工业设备：各种热处理管道、各种工业煤气和热力管道。
适用场合：供暖系统、供热区域、工业管道等用途。
【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.
【设计标准】
公称尺寸：DN50~600mm
公称压力：PN16-PN25
阀体材料：碳钢ST37.0，A106-B；20号钢
球体：不锈钢304或316
阀杆：2Cr13
阀杆密封：全氟像胶
球体密封：RTFE（PTFE+C）
适用温度：-29℃-200℃
操作方式：手柄、齿轮、电动、气动。
【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.
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