Medium

Clean gas or air with low to medium velocity

Standard

Gas measurement in closed pipe-Turbine flow sensor(GB/T18940-2003)

Size & connection

Flange type

Stainless steel housing

DN25-DN300

Aluminum housing

DN25,50,80,100

Carbon steel

DN350,400

Thread type

Stainless steel(non compensation)

DN25,40,50

Stainless steel(compensation)

DN25, 40,

Flange

Standard

GB/T9113.1-2000

Others

DIN,ANSI,JIS

Thread

Standard

BSPP(male)

Others

BSPP(Female),NPT.,etc.

Accuracy & Repeatability

Accuracy

±1.5%R

±1.0%R(Option)

Repeatability

≤0.5%

≤0.15%

Turn down ratio

30:1-10:1

Calibration

Facility

1.       Master Meter calibration facility

2.       Sonic nozzle gas flow calibration facility

3.       Bell prover gas calibration facility

Environment

Temperature: 20℃

Relative Humidity: 75%

Working Condition

Medium temperature: -20 ~80℃

Atmospheric pressure: 86Kpa-106Kpa

Environment temperature:-20 ~60℃

Relative Humidity5%-90%

Typical Error Curve

Size

(mm)

Standard

(m³/h)

Extended

(m³/h)

Standard

Pressure

Special Pressure

DN20

S

2-20

W

4-40

1.6Mpa

Thread≤4.0Mpa,Flange≤6.3Mpa

DN25

S

2.5-25

W

4-40

Thread≤4.0Mpa,Flange≤6.3Mpa

DN32

S

4-40

W

6-60

Thread≤4.0Mpa,Flange≤6.3Mpa

DN40

S

5-50

W

6-60

Thread≤4.0Mpa,Flange≤6.3Mpa

DN50

S1

6-65

W1

5-70

Thread≤4.0Mpa,Flange≤6.3Mpa

S2

10-100

W2

8-100

DN65

S

15-200

W

10-200

Flange≤6.3Mpa

DN80

S1

13-250

W

10-160

Flange≤6.3Mpa

S2

20-400

DN100

S1

20-400

W

13-250

Flange≤6.3Mpa

S2

32-650

DN125

S

25-700

W

20-800

Flange≤6.3Mpa

DN150

S1

32-650

W

80-1600

Flange≤6.3Mpa

S2

50-1000

DN200

S1

80-1600

W

50-1000

Flange≤4.0Mpa

S2

130-2500

DN250

S1

130-2500

W

80-1600

Flange≤2.5Mpa

S2

200-4000

DN300

S

200-4000

W1

130-2500

Flange≤2.5Mpa

W2

320-6500

DN350

S

400-8000

W1

150-4500

--------

W2

300-9000

DN400

S

500-10000

W1

300-9000

--------

W2

500-10000