孔板流量計(jì)的管道安裝條件：（1） 節(jié)流件前后的直管段必須是直的，不得有肉眼可見的彎曲。（2） 安裝節(jié)流件用得直管段應(yīng)該是光滑的，如不光滑，流量系數(shù)應(yīng)乘以粗糙度修正稀疏。（3） 為保證流體的流動(dòng)在節(jié)流件前1D出形成充分發(fā)展的紊流速度分布，而且使這種分布成均勻的軸對(duì)稱形，所以1） 直管段必須是圓的，而且對(duì)節(jié)流件前2D范圍，其圓度要求其甚為嚴(yán)格，并且有一定的圓度指
超聲波流量計(jì)生產(chǎn)公司 0411-87305712
超聲波流量計(jì)實(shí)時(shí)信息，超聲波流量計(jì)資料下載，超聲波流量計(jì)價(jià)格，相信大連索尼卡—流量測(cè)量問題輕松解決。
2010年9月1日
孔板流量計(jì)的管道安裝條件
Tags: 孔板流量計(jì)的安裝條件
發(fā)布:nv2118 | 分類:差壓式流量計(jì) | 評(píng)論:0 | 引用:0 | 瀏覽:
網(wǎng)站分類
文章歸檔
- 2025 March (1)
- 2025 February (1)
- 2023 July (1)
- 2020 August (1)
- 2020 April (1)
- 2019 November (6)
- 2019 October (3)
- 2019 September (1)
- 2019 August (3)
- 2019 July (6)
- 2019 June (5)
- 2019 May (5)
- 2019 April (13)
- 2019 January (1)
- 2018 December (6)
- 2018 November (4)
- 2018 June (1)
- 2016 July (1)
- 2016 April (1)
- 2016 March (4)
- 2016 January (5)
- 2015 December (3)
- 2015 November (1)
- 2015 October (2)
- 2015 September (1)
- 2015 July (1)
- 2015 May (7)
- 2015 February (1)
- 2014 May (6)
- 2014 March (3)
- 2014 February (3)
- 2014 January (5)
- 2013 December (12)
- 2013 November (15)
- 2013 October (11)
- 2013 September (14)
- 2013 August (14)
- 2013 July (15)
- 2013 June (13)
- 2013 May (15)
- 2013 April (14)
- 2013 March (17)
- 2013 February (14)
- 2013 January (12)
- 2012 December (10)
- 2012 November (12)
- 2012 October (13)
- 2012 September (14)
- 2012 August (14)
- 2012 July (14)
- 2012 June (14)
- 2012 May (15)
- 2012 April (30)
- 2012 March (14)
- 2012 February (17)
- 2012 January (16)
- 2011 December (16)
- 2011 November (14)
- 2011 October (9)
- 2011 September (23)
- 2011 August (13)
- 2011 July (17)
- 2011 June (12)
- 2011 May (11)
- 2011 April (13)
- 2011 March (13)
- 2011 February (11)
- 2011 January (16)
- 2010 December (13)
- 2010 November (12)
- 2010 October (12)
- 2010 September (14)
- 2010 August (14)
- 2010 July (12)
- 2010 June (10)
- 2010 May (26)
- 2010 April (23)
- 2010 March (10)
- 2010 February (7)
- 2010 January (10)
- 2009 December (12)
- 2009 November (8)
- 2009 October (11)
- 2009 September (7)
- 2009 August (7)
- 2009 July (22)
- 2009 June (17)
Tags
- 大連索尼卡 (10)
- 超聲波流量計(jì)選型 (5)
- 外夾式超聲波流量計(jì) (4)
- 超聲波流量傳感器 (3)
- 超聲波流量計(jì)工作原理 (3)
- 防爆超聲波流量計(jì) (3)
- 渦街流量計(jì) (3)
- 超聲波流量計(jì) (3)
- 手持式超聲波流量計(jì) (3)
- 明渠流量計(jì) (3)
- 外縛式超聲波流量計(jì) (3)
- 雙聲道超聲波流量計(jì) (3)
- 超聲波流量計(jì)的分類 (2)
- 超聲波流量計(jì)性能指標(biāo) (2)
- 超聲波流量計(jì)問題解答 (2)
- 超聲波流量計(jì)價(jià)格 (2)
- 電磁流量計(jì) (2)
- 超聲波熱量表 (2)
- 超聲波流量?jī)x (2)
- 電源電壓波動(dòng)特別大 (2)
- 超聲波流量計(jì)的優(yōu)缺點(diǎn) (2)
- 超聲波流量計(jì)原理 (2)
- 超聲波流量計(jì)介紹 (2)
- 水流量計(jì) (2)
- 時(shí)差式超聲波流量計(jì) (2)
- 超聲波液位計(jì) (2)
- 超聲波流量計(jì)分類 (2)
- 上海超聲波流量計(jì) (2)
- 電池供電超聲波流量計(jì) (2)
- 超聲波流量計(jì)精度 (2)
- FV3018超聲波流量計(jì) (2)
- 夾持式超聲波流量計(jì) (2)
- 液體流量計(jì) (2)
- 壁掛式超聲波流量計(jì) (2)
- 超聲波流量計(jì)水中聲速表 (2)
- 超聲波流量計(jì)探頭 (2)
- 多普勒流量計(jì) (2)
- 怎樣使用便攜式超聲波流量計(jì)打印機(jī) (2)
- 不破壞管道測(cè)量流量 (2)
- 超聲波流量計(jì)的用途 (2)
- 水流量計(jì)的種類 (2)
- 大連超聲波流量計(jì) (2)
- 大連索尼卡公司 (2)
- 高精度超聲波流量計(jì) (2)
- 超聲波流量計(jì)的傳輸時(shí)間比 (2)
- 超聲波管道流量計(jì) (2)
- 超聲波流量計(jì)MODBUS寄存器地址表 (2)
- 超聲波流量計(jì)特點(diǎn) (2)
- 一體式超聲波流量計(jì) (2)
- 超聲波流量計(jì)安裝 (2)