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      ProductsMechanical water meter series
Products  ——  Mechanical water meter series

Product details

Product description

Under the measurement conditions, continuous flow, memory and display of the total amount of cold (hot) water flowing through the enclosed full pipe.


Performance characteristics

Metering structure: single-stream or multi-stream structure is adopted.

Wet type movement: high sensitivity; special liquid encapsulation of the character wheel window can keep the reading clear for a long time.

Dry-type movement: magnetic transmission in the center of the movement, anti-magnetic interference, good stability, strong structure anti-freezing ability, clear reading

Optional materials: ductile iron, engineering plastics, copper, stainless steel.

Temperature class: T30, T90

Accuracy Class: Class 2


Main parameters




Flow parameter

Nominal Diameter(DN)

15mm

20mm

25mm

Q4m3/h

3.125

5

7.875

Q3m3/h

2.5

4

6.3

Transitional Flow Rate(Q2)


R80

50

80

126

R100

40

64

100.8

R160

25

40

63

Minimum Flow Rate(Q1)

R80

31.25

50

78.75

R100

25

40

63

R160

15.625

25

39.375

Minimum Reading m3/h

0.00001

Maximum Reading m3/h

99999.9999


Nominal Diameter(DN)

Q3/Q1

Q4

m3/h

Q3

m3/h

Transitional Flow Rate Q2

L/h

Minimum Flow Q1

L/h

Minimum Reading

Maximum Reading

m3/h

m3/h

32mm

R80

12.5

10

200

125

0.00001

99999.9999

R100

160

100

R160

100

62.5

40mm

R80

20

16

320

200

0.00001

99999.9999

R100

256

160

R160

160

100


Maximum Permissible Error

Maximum permissible error: low zone (Q1≤Q< Q2) maximum permissible error is ±5%

When the water temperature is less than or equal to 30C, the maximum permissible error in the high zone (Q2≤Q≤Q4) is ±2%; when the water temperature is> 30C, the maximum permissible error in the high zone (Q2≤Q≤Q4) is ±3%


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