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Shanghai Shihong Instrument Co., Ltd

  • E-mail

    1578939544@qq.com

  • Phone

    136-7182-5945

  • Address

    No. 155 Henggang Road, Sijing Town, Songjiang District, Shanghai

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Vortex flowmeter high temperature type

NegotiableUpdate on 06/18
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Overview

Measure high-temperature steam and gas, with temperatures above 250 ° C and below 330 ° C.

Product Details

As a professional manufacturer focused on the product itself, we have redefined the high-temperature vortex flowmeter, and high-temperature sensors are divided into：

1. In general, the high temperature we refer to is 250 ℃~300 ℃, and the pressure can reach 3MPa (which has been well solved and maturely applied by us)

2. When the temperature reaches below 300 ℃~400 ℃ and the pressure reaches below 4MPa (has been successfully developed and produced, can be customized)

High temperature vortex flowmeterWorking principle and selection method reference: Intelligent vortex flowmeter

Common model: HVS-DG80F31P

Model annotation:Vortex FlowmeterThe medium is a high-temperature gas, DN80， The body material is 304 stainless steel, with a medium temperature of 330 ° C and a rated pressure of 1.6MPa; Pulse output, 24V power supply, matched with carbon steel installation flanges, bolts, nuts and other fasteners.

High temperature vortex flowmeters often adopt a split type.

高温型

(High temperature type)

(Split type voltage stabilization compensation)

The price of flow meters varies with the selection specifications, caliber, and configuration, and is not a fixed price product. It needs to be selected and quoted according to your operating conditions.

Specification

★Measurement medium: gas, liquid, vapor
★The caliber specifications for flange card mounted calibers include 25, 32, 50, 80, 100, etc; Flange connection type caliber selection: 100, 150, 200, etc
★Flow measurement range: Normal measurement flow velocity range, Reynolds number 1.5 × 104~4 × 106; Gas velocity of 5-50m/s; Liquid 0.5-7m/s
★The normal measurement range for liquid and gas flow is shown in Table 2; The steam flow range is shown in Table 3 (link)Steam flow meter )
★Measurement accuracy level 1.0/1.5
★Temperature of the tested medium: normal temperature -25 ℃ -100 ℃;High temperature -25 ℃~250 ℃ -25 ℃~350 ℃
★Output signal pulse voltage output signal high level 8-10V low level 0.7-1.3V
★Pulse duty cycle of about 50%, transmission distance of 100m; pulse current remote transmission signal of 4-20mA, transmission distance of 1000m
★Instrument operating environment temperature: -25 ℃~+55 ℃ humidity: 5-90% RH50 ℃
★Material: stainless steel, aluminum alloy
★Power supply DC24V or lithium battery 3.6V
★Explosion proof grade intrinsic safety type iaIIbT3-T6
★Protection level IP65

Flow meter calibration:

Nowadays, energy is gradually decreasing, so the country has issued relevant regulations on energy management, which clearly state that vortex flowmeters used in trade settlement must undergo technical verification by relevant inspection departments and obtain corresponding certificates before they can be put into use.

There are two commonly used methods for calibrating vortex flowmeters: the standard meter method and the bell jar method.

The verification period is two years.

★The application inner diameter range of vortex flow sensor is 25-300mm (full tube type)

★The application inner diameter range of the plug-in vortex flow sensor is 350-1200mm (plug-in)

★Full tube measurement of liquid with an accuracy of 1%

★The accuracy of measuring steam and gas is 1.5%

★plug-inThe accuracy of measuring liquids is 2%

★ Plug in typeThe accuracy of measuring steam and gas is 2.5%

★The temperature of the tested medium is -20~150 ℃, -40~250 ℃,+100~350 ℃ (tube type only)

★The output signal is a three wire voltage pulse, with a three wire system of 4-20mA and a two wire system of 4-20mA

Installation of high-temperature vortex flowmeter:

The installation of vortex flowmeter requires a certain amount of front and rear straight pipe sections, and common situations are as follows (D is the diameter of the pipeline in mm):
Pipeline condition
upstream
downstream
Concentric contraction tube fully open gate valve
15D
5D
90 ℃ right angle elbow
20D
5D
Two 90 ℃ elbows on the same plane
25D
5D
Half open gate valve regulating valve
50D
5D
Two 90 ℃ elbows on different planes
40D
5D
Equipped with rectifier tube bundle
12D
5D

Installation conditions

★The sensor should be installed on a pipeline with the same diameter as the horizontal, vertical, and inclined (liquid flow from bottom to top) pipeline. The upstream and downstream of the sensor should be equipped with a certain length of straight pipe section, which should meet the requirements of 15-20D for the front straight pipe section and 5-1OD for the rear straight pipe section.
★The pipeline near the installation of the liquid sensor should be filled with the measured liquid.
★Sensors should be avoided from being installed on pipelines with strong mechanical vibrations.
★The inner diameter of the straight pipe section should be as consistent as possible with the sensor diameter. If it cannot be consistent, a pipe slightly larger than the sensor diameter should be used, with an error of ≤ 3% and not exceeding 5mm.
★Sensors should be avoided from being installed in places with strong electromagnetic field interference, small space, and inconvenient maintenance.

Product display of the same series:

(On site display type)

(Clamping type complete set of configuration)

卫生型

(Sanitary type)

涡街流量计法兰型

(Flange type)

高温型

(High temperature type)

在线稳压补偿

(Online voltage stabilization compensation type)

涡街流量计法兰型

(Different calibers)

防腐型

, (anti-corrosion type)

分体式

(Split type voltage stabilization compensation)

插入式

After sales and warranty

Shanghai Shihong Instrument Co., LtdAll products supplied:

Provide free telephone consultation, guidance on installation and debugging services;

Negotiate on-site guidance for installation, debugging, and other matters, and only charge reasonable travel expenses;

Large quantities can provide free on-site guidance for installation and debugging.

Service Objective:No matter how long the product is used, as long as you find us, we will solve all your problems until you are satisfied. We believe that our years of practical experience in the flowmeter industry can bring you satisfactory services.

24-Hour Hour Hotline:(Same WeChat account)

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