DN15-DN50 Water Meter Test Equipment Verification Device
The equipment is mainly composed of a water inlet pneumatic butterfly valve, straight pipe, clamp, workbench, flow regulating valve, instantaneous flowmeter, switch, volume tank, water discharge valve, water level gauge, electrical operation box, etc.
Main Technical Data
1. Water meter to be tested: DN 15, 20, 25, 32, 40, 50
2. Equipment Accuracy: Level 2, that is, the allowable cumulative error is ±0.2%
3. Test method: volume method
4. Volume tank: neck frame, in the shape of two gourds, can be 0.2m³, 0.5m³, 2m³, and 5m³.
5. Instant flow indicator:
Glass rotor flowmeter range: 700-30000L/h
Bypass flowmeter range: 32-500 m³/h
6. Switch (two-volume tank):
Driving power and working pressure: compressed air 0.4-0.6MPa
Switching time: <400ms
Switching time difference: <100ms
7. Water pressure during water meter test: (0.35-0.45) MPa
8. Power supply: 220V 50HZ
9. Dimensions: L x W x H 4000mm*2000mm*2400mm
Working principle: volume method, that is, let the water flow to the volume tank through the straight pipe and the water meter within a certain period of time, and then compare the reading difference between the water meter and the volume tank.
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