Ningbo Free Trade Zone ECO International Co., Ltd.

Water Meter Test Bench, Meter Test Bench, Meter Test Equipment manufacturer / supplier in China, offering Water Meter Test Instrument Dn80-Dn300, Nylonpa Tubes, Pipes & Hose, Black Pneumatic Pipes (PA-4-51 B), Brass Pex Pipe Fitting Female Seat 90 Degree Elbow and so on.

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Water Meter Test Instrument Dn80-Dn300

FOB Price:US $6,500 / Piece
Min. Order (Pieces) FOB Price
1+ US $6,500 / Piece
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Min. Order: 1 Piece
Production Capacity: 10 PCS / Month
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, Western Union

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Basic Info.

Model NO.:JBL DN80-DN300
Type:Universal Testing Machine
Maxcapacity:>1000KN
Accuracy Grade:0.5
Load Way:Mechanical Load
Loading Method:Static Load
Display:Needle
Control:Manual Control
Weight:500-1000Kg
Power Source:AC220V
Oil Cylinder Position:Under
Kind:10 Meters Serial 2 Rows
Trademark:ECO
Specification:CE
Origin:Zhejiang

Product Description


Water meter Test Bench model LBJ 80-300

1. General:
Water Meter Test Bench Model LBJ 80-300 is class 2 water meter test equipment, adopting principle of volumetric method. It is designed and manufactured according to China standard number ZBY303-85, "Horizontal woltman cold water meter DN 50-400" and JJG258-88, "Verification rules for horizontal woltman water meter". This equipment is to test water meter DN 80, 100, 150, 200, 250, 300 according to International standard ISO 4064.

2. Main technical data:
1. Water meter to be tested: DN 80, 100, 150, 200, 250, 300
2. Equipment accuracy: Class 2, i.e., permissible accumulating error ±0.2%
3. Testing mode: Volumetric method
4. Volume tank: Necking frame, shaped into two cucurbits, can be 0.2m3, 0.5 m3, 2 m3 and 5 m3.
5. Instant flow indicator:
Glass rotor flow meter rang: 700-30000L/h
By-pass flow meter range: 32-500 m3/h
6. Switch (of two volume tank):
Driving power and working pressure: Compressed air 0.4-0.6MPa
Switch time: <400ms
    Switch time difference: <100ms
7. Water pressure when the water meter was tested: (0.35-0.45) MPa
8. Electric power: 220V 50HZ
9. Overall dimensions: Length x Width x Height (mm) 9125 x 3200 x 4300

3. Components and working principle:
This equipment is mainly consist of water inlet pneumatic butterfly valve, straight pipeline, clamp, bench, flow regulating valve, instant flow meter, switch, volume tank, water release valve, water level meter, and electrical operating box.

Working principle: Volumetric method, i.e., let water flow through the straight pipe and water meter in a certain time to the volume tank, then compare the reading difference between the water meter and volume tank.

Error = (V2 - V1 ) / V1 x 100%, of which

V2: water meter reading
V1: volume tank reading
Flow Rate, water volume and permissible error
DNQn (m3/h)V1 (L)Qt (m3/h)V1 (L)Qmin (m3/h)V1 (L)
80401000810001.2500
1006010001210001.8500
15015050003010004.51000
20025050005010007.51000
2504005000802000121000
30060050001202000181000
Error %±2%±3%±5%

4. Installation:
1. This equipment shall be installed in the place where is bright and well ventilated.
2. The diameter of inlet pipe shall not smaller than that of the straight pipe. Keep pipes no leakage and clean.
3. Provide steady water pressure and clean water.
4. Eliminate disturbance to the greatest extent. Warning: not near to equipment which is strongly vibrant.
5. Install the bench horizontally. Permissible gradient of the glass flow meter is not more than 5 degree.
6. Put electrical operating box in a suitable place and connect to electric power and gas power.
7. Rated voltage of electric power is 220V, 50Hz.

5. Operating:
1. Switch on air compressor, air pressure 0.4-0.6MPa.
2. Switch on the electrical operating box, indicate light on.
3. Choose the straight pipe according to water meter DN.
4. Press the button to clamp the water meter.
5. Turn on the 2" by-pass ball valve to fulfill the pipe with water, then turn on the main inlet valve to release the air. The 2" by-pass ball valve is beside the main inlet valve.
6. Choose the buttons according to the flow rate, water volume and release valve to get the errors.
7. Press the Stop to stop the equipment emergently.

6. Warnings:

Press Stop to stop the equipment emergently.
2. Turn on the ball valve slowly when regulating flow rate. Warning: Turn on the ball valve fast may damage the glass rotor flow meter.
3. Release water from the glass rotor flow meter in winter. Warning: water may be frozen and damage the glass rotor flow meter.
4. Periodical maintenance.

Water Meter Test Bench, Water Meter Test Instruments, Water Meter Test Machine
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