整体式文丘里管差压式流量计选型：

　　1、机械加工文丘里管. Mechanical processed venturi tube

　　型号Model:HLGTT

　　适用范围 Scope of application:DN50-250mm

　　适用压力Applicable pressures:PN0.01～2.5Mpa

　　适用温度Applicable temperatures:T≤350℃.A

　　直径比 Diameter ratio：β=0.4-0.7

　　雷诺数Reynolds number:Red=2x10-10°

　　·用途及特点：适用于各种行业中气体、液体等介质的流量测量、控制和调节。它具有压力损失小，使用寿命长等特点。

　　Uses and features:It is fit for the measurement，control and adjustment of the flow of various media such as gas and liquid in various sectors featuring a light pressure loss，a long service life，ete.

　　2、粗焊铁板文丘里管Rough welding iron plate venturi tube

　　型号Model:HLGWT

　　适用范围 Scope of application:DN250-2000mm

　　适用压力Applicable pressures:PN0.01~1.0Mpa

　　适用温度Applicable temperatures;T≤250℃

　　直径比 Diameter ratio：β=0.4-0.7

　　雷诺数Reynolds number:Red=2x10-10

　　用途及特点：适用于大答径，大流量，空气的流量测量、控制和调节。它具有压力损失小，使用寿命长等特点。

　　Uses and features:It is fit for great pipe diameters，a great flow and the measurement，control and adjustment of the flow of air featuring a light pressure loss，a long service life，etc.

　　3、文丘里喷嘴venturi nozzle

　　型号Model:HLGLT

　　适用范围 Scope of application:DN50~1600mm

　　适用压力Applicable pressures:PN0.01～1.0Mpa

　　适用温度Applicable temperatures:T≤250℃

　　直径比Diameter ratio：β=0.4-0.7

　　雷诺数Reynolds number:Red=2x10-10°

　　用途及特点：适用于各种行业，尤其适用于冶金行业，用干空气，风量流量测量、控制和调节。它具有压力损失小，使用寿命长等特点。

　　Uses and features:It is fit for the measurement，control and adjustment of the flow of air and wind in various sectors，especially metallurgical sector featuring a light pressure loss，a long service life，etc.