進(jìn)口孔板流量計(jì)

價(jià)格
¥3,998.00

型號
進(jìn)口孔板流量計(jì)

品牌
RETZ

所在地
上海市 徐匯區(qū)

更新時(shí)間
2024-01-11 16:13:36

瀏覽次數(shù)

    :RETZ/我們一直致力于流體控制和測控領(lǐng)域的持續(xù)創(chuàng)新,始于2005……進(jìn)口孔板流量計(jì)作為過程自動化控制系統(tǒng)的檢測儀表和測量物料數(shù)量的量表,被廣泛適用于煤炭、化工、交通、建筑、輕紡、食品、醫(yī)藥、農(nóng)業(yè)、環(huán)境保護(hù)各個(gè)領(lǐng)域

    進(jìn)口孔板流量計(jì)原理及用途Principle and purpose

    孔板流量計(jì)是將標(biāo)準(zhǔn)孔板與多參量差壓變送器(或差壓變送、溫度變送器及壓力變送器)配套組成的高量程比差壓流量,充滿管進(jìn)口孔板流量計(jì)原理及用途.jpg道的流體流程管道內(nèi)的節(jié)流裝置,在節(jié)流件附近邊成局部收縮,流速增加,在其上、下游兩側(cè)產(chǎn)生靜壓力差(如圖)。在已知有關(guān)參數(shù)的條件下,根據(jù)流動連續(xù)件原理和伯努利方程可以推異出辨壓與流量之間的關(guān)系(流量愈大,所產(chǎn)生的壓差愈大)而求得流量。

    Orifice plate flowmeter is a high range ratio differential pressure flow device composed of a standard orifice plate and a multi-parameter differential pressure transmitter (or differential pressure transmitter, temperature transmitter, and pressure transmitter). The throttling device in the fluid flow pipeline that is filled with the pipeline locally contracts near the throttling component, increases the flow rate, and generates a static pressure difference on both upstream and downstream sides (as shown in Figure 1). Under the condition that relevant parameters are known, the relationship between differential pressure and flow rate can be inferred d on the principle of flow continuity and Bernoulli equation (the larger the flow rate, the greater the pressure difference generated) to obtain the flow rate.

    進(jìn)口孔板流量計(jì) Main features

    節(jié)流裝置結(jié)構(gòu)簡單、牢固,性能穩(wěn)定可靠,使用期限長 The throttling device has a simple and firm structure, stable and reliable performance, and a long service life進(jìn)口孔板流量計(jì)2.jpg

    應(yīng)用范圍廣,全部單相流皆可測量,部分混相流亦可應(yīng)用 Wide application range, all single-phase flows can be measured, and some mixed phase flows can also be applied

    標(biāo)準(zhǔn)型節(jié)流裝置無須實(shí)流校準(zhǔn),即可投用 The standard throttling device can be put into use without actual flow calibration

    安裝更簡單,無須引壓管,可直接接差壓變送器和壓力變送器 Installation is simpler, without the need for pressure pipes, and can be directly connected to differential pressure transmitters and pressure transmitters

    采用進(jìn)口單晶硅智能差壓傳感器 Adopting imported monocrystalline silicon intelligent differential pressure sensor

    高精度,完善的自診斷功能 High precision and comprehensive self-diagnosis function

    智能孔板流量計(jì)智能孔板流量計(jì)其量程可自編程調(diào)整 The range of the intelligent orifice flowmeter can be self programmable and adjusted

    智能孔板流量計(jì)可同時(shí)顯示累計(jì)流量、瞬時(shí)流量、壓力、溫度 The intelligent orifice flowmeter can simultaneously display cumulative flow rate, instantaneous flow rate, pressure, and temperature

    具有在線、動態(tài)全補(bǔ)償功能外,智能孔板流量計(jì)還具有自診斷、自行設(shè)定量程 In addition to online and dynamic full compensation functions, the intelligent orifice flowmeter also has self-diagnosis and self setting range

    配有多種通訊接口 Equipped with multiple communication interfaces

    穩(wěn)定性高 High stability

    量程范圍寬、大于10:1  Wide range, greater than 10:1

    進(jìn)口孔板流量計(jì)技術(shù)參數(shù) Technical parameter

    節(jié)流件名稱

    適用管道

    適用直徑比Bd/D

    應(yīng)用特點(diǎn)

    流出系數(shù)不確定度Ec%

    設(shè)計(jì)標(biāo)準(zhǔn)

    DN mm

     

     

    50500

    0.20.75

    適用于清潔介質(zhì)其中GD結(jié)構(gòu)適合高溫高壓條件下流量的測量

    0.60.75%

    ISO5167

     

    環(huán)室式

    50500

    0.20.75

    GB/T262493

    角接取壓標(biāo)準(zhǔn)孔板

    夾緊環(huán)式

    50500

    0.20.75

    易于清除污物,可用于不太清潔流體流量的測量

     

     

    斜鉆孔式

    45010003000

    0.20.75

     

    法蘭取壓標(biāo)準(zhǔn)孔板

    501000

    0.20.75

    易于清除污物,適用于各種介質(zhì)

    0.60.75%

    ISO5167

    徑距取壓標(biāo)準(zhǔn)孔板

    501000

    0.20.75

    GB/T262493

    角接取壓標(biāo)準(zhǔn)噴嘴

    50500

    0.30.8

    壓損小,壽命長,尤其適用于蒸汽流量測量

    0.81.2%

    ISO5167

    ISA1932噴嘴)

    GB/T262493

     

    50630

    0.20.8

    壓損小壽命長,LGP型長徑噴嘴組件適合高參數(shù)水和蒸汽流量測量

    2.00%

    ISO5167

    長徑噴嘴

    GB/T262493

     

    機(jī)械加工式

    100800

    0.20.8

    壓力損失小,所需直管段小于孔板、噴嘴

    1.00%

    ISO5167

    經(jīng)典文丘利管

    粗焊鐵板式

    20012002000

    0.40.7

    1.50%

    GB/T262493

     

    65500

    0.3160.77

    同上

    1.21.75%

    ISO5167

    文丘利噴嘴

    GB/T262493

    1/4圓孔板

    25150

    0.2450.6

    適用于低雷諾數(shù)

    2.02.5%

    DIN   BS

    錐形入口孔板

    25250

    0.10.316

    同上

    2.00%

    BS

    圓缺孔板

    501500

    0.320.8

    適用于贓污,有氣泡析出或含有固體微粒的流體測量。

    1.50%

    DIN

    偏心孔板

    1001000

    0.460.84

    12%

    ASME

    小孔板

    12.540

    0.20.75

    適用于小管道流量測量

    0.75%

    ASME

    透鏡式孔板

    12.5150

    0.20.75

    適用于高壓常溫小管道流量測量

    0.60.75%

    ISO5167ASME

    端頭孔板

    大于等于15

    0.20.62

     

    1.52.0%

     

    雙重孔板

    25400

    0.20.8

    適用于大流量測量

     

     

    限流孔板

     

     

     

     

     

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