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Model NO.: LZZ-15
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Main Application: Water
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Sensor: Tube/Flange
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Type: Variable Area Flow Meter
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Measuring Principle: Mechanics
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Certification: GB, ISO
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Measuring Range:Air (20 C, 101325PA): 0.07 ~ 16m3/H
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Medium Viscosity: Dn15: ≤ 5MPa.S
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Eplosion Suppression: Exd II CT4-T6
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Transport Package: Carton or Plywood
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HS Code: 9026900000
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Accuracy: >±1%
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Size: DN10-50
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Application: Industrial Production
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Measuring Media: Liquid or Air
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Measurement Object: Closed Pipeline
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Measuring Range: Water(20 Celsius): 2.5 ~ 600L/H
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Range Scale: 10:1
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Defend Class: IP65
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Trademark: Shuang huan
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Origin: China Jiangsu Changzhou
Technology:
Measuring range: water (20 ºC)   2.5 ~ 600L/H
               air (101325Pa, 20ºC)   0.07 ~ 14m3/H
Accuracy: 1.5, 2.5
Range scale: 10:1Â
Max. operating pressure: Â 4. 0MPa
                       Jacteted type: 1.6 MPa
Max. operating temperature:   (-80~+200) ºC  Â
Ambient temperature:  (-25~+120) ºC
Medium viscosity:  DN15 ≤ 5mPa.s
Connection: Flange connection.(GB/T9119,or be customized)
Defend class: IP65
Transmission: Â linearity:1%
             load resistance: ≤500Ω(24V DC)
             temperature effect: <±0.05% F.S/ºC
             power dissipation: <1W
             connection cable:RVVP3*28/0.15
             connection thread:M20*1.5
Limit alarm: power supply:24(1±10%)V DC
           power dissipation: <1W
           work temperature:  (-25~+65) ºC
           max.load current: 50mA
Intrinsic safe explosion-proof class: Exib II CT5
Certificate No. of explosion-proof: GYB06925
Recommend sfety barier: LB906
Eplosion suppression: Exd II CT4-T6
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Product description:
The variable area flowmeters with metal cone is used for liquids and gases . You can mount it horizontally or vertically. There are models of local indicating, long-distance data transmission, corrosive resistant, with heating device, limit switch, explosion-proof and so on. Transmission has 0~10mA analogue signal output, suitable for electro-unit combination instrument DDZ-II or  DDZ-III. It has the function of flow accumulating, digital communication. On-line correcting parameter, various power supply and so on. We can provide flange and magnetic fliter on customer's request. It widely applied to petroleum industry, chemical plant, power atation, food processing, pharmaceutical factory and water processing.
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Quality standard:
The quality standard is : JB/T6844-1993, and according to ISO9001:2008 to control the quality.Each product has to inspect contain leak tightness test, pressure test, etc. We ask our supplier provide test report of raw material, each electrical element has to detect, so every finished product has factory test report and data record.We introduced special technique and equipment from KROHNE in Germany, 228 sets fabrication and gauging equipment to calibrate the flowmeter, Â and also NCM,milling machine,grinding machine from Japan to ensure the accuracy of the spare part. Self-production proportion of spare part up to 90%
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Capability of product research and development:Â
Every series product team is consist of a senior engineer and several technical engineers. When we receive the technical request different to exist product, we can customize  the product by technical drawing or customize according to the sample.The sampling period is 20 workdays. Â
Flow direction
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Material of contact
Additional Function
| DN(mm) |
Measuring range |
Max.pressure loss |
| Water(20 ºC ) L/H |
Air (20 ºC 101325Pa) m3/h |
Water (kPa) |
Air (kPa) |
| 15 |
2.5~25 |
0.07~0.7 |
2.6 |
2.1 |
| 4~40 |
0.1~1 |
2.6 |
2.1 |
| 6~60 |
0.15~1.5 |
2.6 |
2.1 |
| 10~100 |
0.22~2.2 |
2.6 |
2.1 |
| 16~160 |
0.36~3.6 |
2.6 |
2.1 |
| 25~250 |
0.55~5.5 |
2.6 |
2.1 |
| 40~400 |
1~10 |
2.8 |
2.2 |
| 60~600 |
1.6~16 |
3.2 |
2.2 |
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