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Jiangsu Dingsheng Instrument Co., Ltd
Small caliber hot water flow meter
NegotiableUpdate on 05/07
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Overview
The Dingsheng small caliber hot water flowmeter adopts a four layer circuit, high-quality four electrodes, and displays flow values more stably. The pure copper coil and output model are more stable and reliable. By adopting internationally imported sensors, the accuracy stability and anti-interference ability have been further improved. The installation method is flexible, and it can be installed horizontally, vertically, and at different angles. The thermal flow meter adopts a disturbance elimination circuit and an anti vibration sensing head, which has a certain anti environmental vibration performance. The hot water flow meter has no movable parts and a long instrument life.
Product Details
1Small caliber hot water flow meterHow to choose:
The selection of a flow meter is crucial for accurate measurement on site!!!
Some people choose turbine flow meters, some choose vortex street flow meters, and some say use electromagnetic flow meters. Dingsheng Instrument Technology Department suggests everyoneSmall caliber hot water flow meterUse an electromagnetic flowmeter, and it isSplit type electromagnetic fluxCalculate.
Example of a good flow meter for measuring hot water:
Medium: hot water, temperature: less than 100 degrees, pressure: less than 0.6mpa. Considering long-term use, there will definitely be scaling inside the flowmeter
Analysis: 1. If there is a possibility of scaling in the on-site process, it indicates that the conductivity is still acceptable. Electromagnetic can be selected for DN400 and below; It is recommended to use orifice plates with a diameter of ≥ 400. Scaling can be removed regularly by acid washing, and the price is relatively low.
2. Plug in or vortex flow meters are subject to scaling effects, and their operating cycles may be shorter and difficult to handle.
In summary, electromagnetic flow meters are used for measuring hot water flow metersShou selection, andmustUsing a split type electromagnetic flowmeter, due to the high temperature of hot water, it is easy to form thermal protection with an integrated electromagnetic flowmeter (choose 316L electrode and PTFE lining). Large caliber electromagnetic flow meters can also be used, but if the probability of scaling is high, a throttling device such as an orifice plate can be used for easy cleaning.
Installation Example:
Jiangsu Dingsheng Instrument Co., Ltd. went to Cangzhou Wastewater Treatment Plant in Hebei Province to install an electromagnetic flowmeter. Based on the on-site parameters provided by the customer (pipeline diameter, pressure, temperature, flow range, installation method, display method), they ultimately chose to use a PTFE lined intelligent anti-corrosion split type electromagnetic flowmeter.
After we provided a reasonable quotation, the customer ordered seven split type electromagnetic flow meters. The company then dispatched technical personnel to the site to learn about installation and commissioning, and solved the customer's problem. After debugging, the technical personnel observed for 2 days at the Cangzhou company and confirmed that the flowmeter was working properly before returning and leaving. The following are pictures taken by our company's technical and sales personnel at the customer site.
1. Electromagnetic flowmeter is ready to be packaged and transported to Cangzhou:
2. The installation of the separated remote transmission head of the electromagnetic flowmeter has been successful:
3. Finally, in the afternoon, the flow meter was installed on the pipeline
We are explaining the key points and maintenance knowledge of using electromagnetic flow meters to customers. The customer listened very attentively. Debugging completed, installation completed, customer very satisfied. So if the selection is right, even complex working conditions can be easily solved!
IISmall caliber hot water flow meterOverview:
Ding ShengSmall caliber hot water flow meterAdopting a four layer circuit and high-quality four electrodes, the displayed flow value is more stable. The pure copper coil provides a more stable and reliable output model. By adopting internationally imported sensors, the accuracy stability and anti-interference ability have been further improved. The installation method is flexible, and it can be installed horizontally, vertically, and at different angles. The thermal flow meter adopts a disturbance elimination circuit and an anti vibration sensing head, which has a certain anti environmental vibration performance. The hot water flow meter has no movable parts and a long instrument life.
Performance characteristics:
·The instrument structure is simple, reliable, without moving parts, and has a long working life.
·No flow blocking components, no pressure loss or fluid blockage.
·No mechanical inertia, fast response, good stability, can be applied to automatic detection, adjustment, and program control systems.
·The measurement accuracy is not affected by the type of measured medium and its physical parameters such as temperature, viscosity, density, pressure, etc.
·Different combinations of PTFE or rubber lining materials and electrode materials such as Hc, Hb, 316L, Ti can adapt to the needs of different media.
·There are various flow meter models available, including pipeline type and plug-in type.
·Using EEPROM memory, the storage of measurement and operation data ensures safety and reliability.
·It has two types: integrated and separated.
·High definition LCD backlit display.
Technical Specifications:
Instrument accuracy: pipeline type 0.5 level, 1.0 level; Insertion type 2.5 level
Measurement medium: various liquid and liquid-solid two-phase fluids with conductivity greater than 5 μ S/cm.
Flow velocity range: 0.2-8m/s
Work pressure: 1.6MPa
◆ Environmental temperature: -40 ℃ to+50 ℃
◆ Medium temperature: PTFE lining ≤ 180 ℃??????
Rubber material lining ≤ 65 ℃
Explosion proof mark: Exmibd Ⅱ BT4
Explosion proof certificate number: GYB01349
External magnetic interference: ≤ 400A/m
◆ Shell protection: Integrated type: IP65;
Detached type: Sensor IP68 (5 meters underwater, limited to rubber lining)
Converter IP65
Output signal: 4-20mA.DC, load resistance 0-750 Ω
Communication output: RS485 or CAN bus
◆ Electrical connection: M20 × 1.5 internal thread, φ 10 cable hole
Power supply voltage: 90-220V AC, 24 ± 10% V.DC
Very high power consumption: ≤ 10VA
Reference flow range:
| Caliber (mm) | Flow range (m3/h) | Caliber (mm) | Flow range (m3/h) |
| φ15 | 0.06~6.36 | φ450 | 57.23～5722.65 |
| φ20 | 0.11～11.3 | φ500 | 70.65～7065.00 |
| φ25 | 0.18～17.66 | φ600 | 101.74～10173.6 |
| φ40 | 0.45～45.22 | φ700 | 138.47～13847.4 |
| φ50 | 0.71～70.65 | φ800 | 180.86～18086.4 |
| φ65 | 1.19～119.4 | φ900 | ?228.91～22890.6 |
| φ80 | 1.81～180.86 | φ1000 | ?406.94～40694.4 |
| φ100 | 2.83～282.60 | φ1200 | 553.90～55389.6 |
| φ150 | 6.36～635.85 | φ1600 | 723.46～72345.6 |
| φ200 | 11.3～1130.4 | φ1800 | 915.62～91562.4 |
| φ250 | 17.66～176.25. | φ2000 | 1130.4～113040.00 |
| φ300 | 25.43～2543.40 | φ2200 | 1367.78～136778.4 |
| φ350 | 34.62～3461.85 | φ2400 | 1627.78～162777.6 |
| φ400 | 45.22～4521.6 | φ2600 | 1910.38～191037.6 |
Type spectrum:
| model | caliber | |||||
| DS-WYLDE | 15~2600 | |||||
| code name | electrode material | |||||
| K1 | 316L | |||||
| K2 | HB | |||||
| K3 | HC | |||||
| K4 | Titanium | |||||
| K5 | Tantalum | |||||
| K6 | Platinum alloy | |||||
| K7 | Stainless steel coated with tungsten carbide | |||||
| code name | Lining material | |||||
| C1 | Polytetrafluoroethylene F4 | |||||
| C2 | Perfluoroethylene propylene F46 | |||||
| C3 | Polyfluoroethylene FS | |||||
| C4 | Polyvinyl rubber | |||||
| C5 | Polyurethane rubber | |||||
| code name | function | |||||
| E1 | Level 0.3 | |||||
| E2 | Level 0.5 | |||||
| E3 | Level 1 | |||||
| F1 | 4－20Madc, Load ≤ 750 Ω | |||||
| F2 | 0-3kHz, 5V active, variable pulse width, outputEffective frequency | |||||
| F3 | RS485 interface | |||||
| T1 | room temperature type | |||||
| T2 | high-temperature type | |||||
| T3 | Ultra high temperature type | |||||
| P1 | 1．0MPa | |||||
| P2 | 1．6MPa | |||||
| P3 | 4．0MPa | |||||
| P4 | 16MPa | |||||
| D1 | 220VAC±10％ | |||||
| D2 | 24VDC±10％ | |||||
| J1 | Integrated structure | |||||
| J2 | Split type structure | |||||
| J3 | Explosion proof integrated structure | |||||
