優質管道式自來水流量計(電磁流量計）供應商
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管道式自來水流量計由傳感器和轉換器兩部分構成。它是基于法拉第電磁感應定律工作的，用來測量電導率大于5μS/cm導電液體的體積流量，是一種測量導電介質體積流量的感應式儀表。除可測量一般導電液體的體積流量外，還可用于測量強酸強堿等強腐蝕液體和泥漿、礦漿、紙漿等均勻的液固兩相懸浮液體的體積流量。廣泛應用于石油、化工、冶金、輕紡、造紙、環保、食品等工業部門及市政管理，水利建設、河流疏浚等領域的流量計量。
技術參數：
公稱通徑（mm） （特殊規格可定制） | 管道式四氟襯里：DN10～DN600 |
管道式橡膠襯里：DN40～DN2200 | |
流動方向 | 正，反，凈流量 |
量程比 | 150：1 |
重復性誤差 | 測量值的±0.1% |
精度等級 | 管道式：0.5級，1.0級 |
被測介質溫度 | 普通橡膠襯里：－20～＋60℃ |
高溫橡膠襯里：－20～＋90℃ | |
聚四氟乙稀襯里：－30～＋100℃ | |
高溫型四氟襯里：－20～＋180℃ | |
額定工作壓力 | DN10－DN150：≤1.6MPa |
DN200－DN350：≤1.0MPa | |
DN400－DN1000：≤0.6MPa | |
DN450－DN2200：≤0.25MPa | |
流速范圍 | 0.1－15m/s |
電導率范圍 | 被測流體電導率≥5μs/cm |
信號輸出 | 4～20mA（負載電阻0～750Ω），脈沖/頻率，控制電平 |
通訊輸出 | RS485,MODBUS協議，HART協議 |
供電電源 | AC220V或DC24V |
要求直管段長度 | 上游≥5DN，下游≥2DN |
連接方式 | 流量計與配管之間均采用法蘭連接,符合國標GB/T9115.1-2000 |
防爆等級 | ExdeiallBT4-T6 |
防護等級 | IP65，特殊訂制zui高可達IP68 |
環境溫度 | －25～＋60℃ |
相對溫度 | 5%～95% |
消耗總功率 | 小于20W |
選型表：
型 號 | 代碼 | 說 明 |
WFLDE- | ||
通徑 | □□□ | 10-2200mm |
結構形式 | S | 一體型 |
L | 分體型 | |
電極材料 | M | 不銹鋼 |
T | Ti（鈦） | |
D | Ta（鉭） | |
H | 哈氏合金 | |
P | Pt鉑 | |
N | Ni鎳 | |
輸出方式 | 0 | 無輸出 |
1 | 4-20mA/1-5KHz | |
2 | 4-20mA | |
襯里材料 | X | 橡膠 |
F | 聚四氟乙烯 | |
P | 聚乙烯 | |
J | 聚氨酯橡膠 | |
就地顯示 | 0 | 無就地顯示 |
1 | 就地顯示 | |
通訊方式 | 0 | 無通訊 |
1 | RS485 | |
2 | RS232 | |
3 | Modbus | |
4 | Hart | |
接地環 | 0 | 無接地環 |
1 | 有接地環 | |
2 | 有接地電極 | |
上限流量 | （n） | 上限流量（量程）m3/h |
儀表口徑的確定：
口徑mm | 流量范圍m3/h | 口徑mm | 流量范圍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 |
DN15～DN150一體型和傳感外形圖 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 外形尺寸和重量 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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法蘭尺寸(標準:GB/T9119) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| DN200～DN600一體型和傳感外形圖 | 外形尺寸和重量 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 法蘭尺寸(標準：GB/T9119) |
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Description
Insertion magnetic flow meter is a new kind of product based on pipeline flowmeter.
By principle of Nikuradse, it measures the average flow velocity of liquid with electromagnetic methods to get volume flow of liquid, which keeps the advantage of pipeline flowmeter and overcomes the shortage of installation difficulty and high cost. Especially the application of pipeline piercing and installing under pressure technology, insertion magnetic flow meter can be mounted without stopping water supply and it can be also installed on cast-iron pipeline and cement pipe.
The invention of this flowmeter has offered a new way to measure fluid flow. The operating principle is the same as magnetic flow meter. That is Faraday's law of electromagnetic induction
Features
? Insertion magnetic flow meter can be easily mounted without cutoff water supply and pierce pipeline under pressure on site. It has great advantage in installation and price.
? Applicable for measuring flow of liquid like water, sewage, acid, alkali. Etc, whose conductivity is beyond 20cm. The change of conductivity doesn’t affect its function. It can adapt complicated flow change, especially the flow measurement of water supply and drainage pipe.
? The mechanical moving parts of flowmeter, converter adopt optimized design with closed structure, easy installation and interchangeability between converter and sensor.
? Flow measurement is only related with insertion depth. So, this kind of flowmeter can be used in wide range and good interchangeability. One module can meet the needs of various pipeline size. It can connect with any standard secondary instrument.
Specifications
Technical parameters | |
Diameter: | DN300-DN3000 |
Flow velocity: | 0.1-10m/s |
Accuracy: | 0.1~10m/s:±2.5%FS (FS is full flow range of 40%~) |
Conductivity: | > 50us/cm |
Medium temp.: | -20℃~+30℃ |
Ambient temperature: | -20℃~+60℃ |
Pressure: | 1.6MPa |
Protection class: | IP65(compact type) IP68(remote type) |
Electrode material: | Stainless 316L |
Output signal: | 4-20mA;RS485;HART;MODBUS |
Power supply: | 220V AC (tolerance 15%) or 24V DC (ripple wave≤5%) |
Measuring range
Size | Flow rate unit (m3/h) | |
V = 0.5 m/s | V= 10 m/s | |
mm | Min. | Max. |
300 | 127 | 2545 |
350 | 173 | 3464 |
400 | 226 | 4523 |
450 | 286 | 5725 |
500 | 353 | 7069 |
600 | 509 | 10180 |
700 | 692 | 13847 |
800 | 904 | 18086 |
900 | 1145 | 22891 |
1000 | 1413 | 28260 |
1200 | 2035 | 40694 |
1400 | 2769 | 55390 |
1600 | 3617 | 72346 |
1800 | 4578 | 91562 |
2000 | 5652 | 113040 |
2200 | 6839 | 136778 |
2400 | 8139 | 162778 |
2600 | 9552 | 191038 |
2800 | 11078 | 221558 |
3000 | 12717 | 254340 |
Application
Electromagnetic flow meter is a kind of speed meter has a high accuracy and realibility and is widely used in petroleum, chemical engineering, steel, food, electricity, papaer, water treatment, water supply, heat supply, environmental protection and other industries.
Ordering guide
Selection code | Notes | ||||||||
| WFLDE | |||||||||
Diameter | DN100-DN3000 | ||||||||
Pressure range | 1 | 1.6MPa | |||||||
Connection | 1 | With measuring pipe | |||||||
2 | Without measuring pipe | ||||||||
Measuring pipe material | 1 | Carbon steel | |||||||
2 | 304SS | ||||||||
Liner material | 1 | ABS | |||||||
2 | PTFE | ||||||||
Electrode material | 1 | Stainless steel containing Mo. | |||||||
2 | 316L | ||||||||
Structure | 1 |
Compact type | |||||||
2 | Remote type | ||||||||
3 | Remote, immerse | ||||||||
4 | Compact Ex | ||||||||
5 | Remote Ex | ||||||||
Power supply | E | 220VAC 50Hz | |||||||
G | 24VDC | ||||||||
Output/communication | A | Volume flow 4~20mADC/pulse | |||||||
B | Volume flow 4~20mADC/RS232C | ||||||||
C | Volume flow 4~20mADC/RS485 | ||||||||
D | Volume flow HART/communication | ||||||||
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