HB 1555-1987
中孔支承板
1987-04-08
HB 1411-1987
大中孔支承板
1987-04-08
HB 1564-1987
大中孔支承板
1987-04-08
HB 1263-1987
两面槽侧中孔支承
1987-04-08
HB 1551-1987
两面槽侧中孔支承
1987-04-08
HB 1471-1987
中孔定位板
1987-04-08
HB 7146.4-1995
大型系列组合夹具导向件 侧中孔镗孔支承
ASME MFC-3M-2004(R2017)
Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi, Includes Addenda A (2007)
使用孔板、喷嘴和文丘里管测量管道中的流体流量 包括附录A(2007年)
2004-01-01
UNE-EN ISO 5167-2-2003
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates (ISO 5167-2:2003)
用插入圆形横截面管道中的压差装置测量流体流量第2部分:孔板
2003-12-12
ISO 5167-2-2022
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 2: Orifice plates
用插入圆形横截面管道中的压差装置测量流体流量第2部分:孔板
2022-06-16
KS B ISO 5167-2(2024 Confirm)
만관 상태의 원형 관로에 삽입된 차압장치를 사용한 유량 측정 — 제2부: 오리피스 판
用插入满管圆形横截面管道中的压差装置测量流体流量——第2部分:孔板
2014-12-24
GB/T 2624.2-2006
用安装在圆形截面管道中的差压装置测量满管流体流量 第2部分:孔板
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates
2006-12-13