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Changzhou Shuanghuan Thermo-Technical Instrument Co., Ltd.

Variable Area Flowmeter, Flowmeter, Water Treatment manufacturer / supplier in China, offering Output 4-20mA Alarm Signal Metal Flowmeter, Electromagnetic Flow Meter, Dn15 Calibrate by Krohne Equipment Screw Connection Variable Area Glass Flowmeter for Waste Treatment Use and so on.

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Supplier Homepage Product Metallic variable area flowmeter Output 4-20mA Alarm Signal Metal Flowmeter

Output 4-20mA Alarm Signal Metal Flowmeter

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 2000 Sets/Year
Transport Package: Carton or Plywood
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: LZZW/LZDW
  • Sensor: Plug-in
  • Measuring Media: Liquid
  • Certification: GB, ISO
  • Measuring Range:Air (20 C, 101325PA): 5~3400L/H
  • Max. Operating Pressure: 2.5 Mpa (Can Increased by Requested)
  • Ambient Temperature: (-25~+65) Celsius
  • Output Signal: 4~20mA
  • Trademark: Shuang huan
  • HS Code: 9026900000
  • Accuracy: >±1%
  • Type: Variable Area Flow Meter
  • Measuring Principle: Mechanics
  • Measuring Range: Water(20 Celsius): 0.3~100L/H
  • Range Scale: 10:1
  • Operating Temperature: (-80~+ 150) Celsius
  • Limit Alarm: 1~2 Alarm Switch (Optional)
  • Case Material: Cast Aluminum, Surface Electro-Sprayed by Epoxy Re
  • Origin: China Jiangsu Changzhou
Product Description
Measuring range: water (20 ºC)          0.3~100L/h
                              air (20 ºC 101325Pa)   5~3400L/h
Range scale: 10:1
Accuracy: 4
Measuring tube material:304 (316L can be customized)
Max. operating pressure: 2.5 MPa (can increased by requested)
Operating temperature: (-80~+ 150)ºC
Ambient temperature: (-25~+65)ºC
Connection type: thread type:1/4 "NPTF 
                             ferrule type:Φ6mm,Φ8mm,Φ10mm,Φ12mm, 
                             flange type:DN15 PN4.0 or ANSI150lb
Limit alarm:1~2 alarm switch (optional)
Output signal: 4~20mA
Case material:cast aluminum, surface electro-sprayed by epoxy resin
IP grade:IP65
Transmission:linear current output, two-wire system, 4~20mA
                       16~30 VDC power supply 
                       LCD display
                       cabel connection:M16*1.5
1. Superior economic performance.Due to the instrument is made by metallic material, so it can work safety in extremely diafusting condition.
2. Simple structure, reliable performance.Needn't upstream and downstream straight pipeline section. Purely mechanical structure, needn't  power supply, less component, maintain easily.
3. Unique viscosity amendation.The unique viscosity amendation make the flowmeters's indication get closer to actual working condition.
4. Widely used.Precise measurement and control, can choose 1~2 alarm switch.
Product description:
LZZW/LZDW series variable area flowmeter with metallic cone is consists of a tapered measuring cone and a float, it suitable for liquid and gas , and has the characteristics of solid, steady and widely used.The meter can connected vertical or horizontal,can choose 1~2 alarm switch. It widely applied to petroleum industry, chemical plant, power atation, food processing, pharmaceutical factory and water processing.
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,  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%
Capability of product research and development: 
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. 
Our company established in 1957 and have more than 50 years experience of manufacturing thermal instrument.We rank 5 in our profession industry.Products have exported to France, United States,United Kingdom,Spain,Finland, Germany, India, Korea, Turkey for more than 20 years.Our clients like Airliquide Group in France, Laser Gas Oy in Finland,Kaltech engineering & refrigeration Pte,Ltd, etc. Export amount exceeded to 100 thousands sets.
Output 4-20mA Alarm Signal Metal Flowmeter

Taper tube No.Water            (20 ºC   L/h)Air                (20 ºC 101325Pa L/h)Max. pressure loss(KPa)
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