V2EX pressure rating

Pressure Rating

释义 Definition

pressure rating额定压力 / 压力等级。指设备、管道、阀门、容器等在规定温度条件下可安全承受的最大工作压力(常与材料、壁厚、连接方式及标准体系如 ASME/ANSI/API 等相关)。在不同温度下额定值可能不同。

发音 Pronunciation (IPA)

/prr ret/

例句 Examples

The valve has a pressure rating of 300 psi.
这个阀门的额定压力是 300 psi。

Before selecting a gasket, verify the flange pressure rating at the operating temperature and consider potential pressure spikes.
在选择垫片前,要核对法兰在工作温度下的压力等级,并考虑可能出现的压力峰值。

词源 Etymology

pressure 来自拉丁语 pressura(“压迫、压力”),与 “press(压、按)”同源;rating 源自 rate(“评定、等级”),表示“评定出来的等级/指标”。合起来 pressure rating 就是“按标准评定出来的可承压等级/指标”,常用于工程与制造领域。

相关词 Related Words

文献与作品 Literary Works

  • *ASME Boiler and Pressure Vessel Code (BPVC)*(《ASME 锅炉与压力容器规范》)
  • ASME B16.5: Pipe Flanges and Flanged Fittings(《ASME B16.5 管法兰与法兰管件》)
  • API 6A: Specification for Wellhead and Christmas Tree Equipment(《API 6A 井口与采油树设备规范》)
  • Perry’s Chemical Engineers’ Handbook(《佩里化工工程师手册》)
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