คำแนะนำทั่วไปเกี่ยวกับเครื่องวัดอัตราการไหลของกังหันก๊าซ

Size (mm)

Normal Flow Range (m3/h)

Max Pressure Loss (Kpa)

20

S

2-20

1.5

25

S

4-40

1.5

40

S

6-65

1.5

50

S1

7-70

1.2

S2

10-100

1.4

80

S1

13-250

1.0

S2

20-400

2.0

100

S1

20-400

1.0

S2

32-650

1.5

150

S1

50-1000

1.0

S2

80-1600

2.0

200

S1

80-1600

0.8

S2

130-2500

1.5

250

S1

130-2500

0.8

S2

200-4000

2.0

300

S

200-4000

1.0

350

S

400-8000

1.5

400

S

650-13000

2.0

Accuracy

1.5%（1.0%is available upon request）

Medium

Clean gas at low or middle flow rate

Standard

Measurement of gas flow in closed pipes-Turbine flowmeter (GB/T1 8940-2003)

Size& Process Connection

Flange

Stainless steel body

DN20-DN300

Carbon steel body

DN350,DN400

Thread

Stainless steel body

DN20,DN25,DN40,DN50

Flange Standard

Standard

GB/T9113-2000

Option

ANSI, JIS ,DIN

Thread

Standard

BSPP(male)

Option

BSPP(F),NPT.,etc

Connection

Material

Size

Normal Pressure Rating

Option

Flange

Stainless steel

DN20-DN100

1.6Mpa

≤6.3Mpa

DN150-DN200

≤4.0Mpa

DN250-DN300

≤2.5Mpa

Carbon steel

DN250-DN400

-

Thread

Stainless steel

DN20-DN50

≤4.0Mpa

Type

Body

Rotor

Thread

304 Stainless steel

(DN20-DN50)

Aluminium alloy

Flange

304 Stainless steel

(DN20-DN300)

Carbon Steel

(DN350,DN400)

Power Supply

DC24V

3.6Vlithium battery

Consumption

< 2W

< 700μA

Protection level

IP65

Explosion Proof

Exd IICT6 Gb

Electrical Port

M20*1.5 (F)

Calibration Condition

Calibration Equipment

1.Master Meter calibrationfacility

2.Sonic nozzle gas flow calibrationfacility

3.Bell prover gas calibration facility

Environment

Temperature: 20℃

Relative Humidity: 75%

Operation

Medium temperature: -20 ~80℃

Atmospheric pressure: 86Kpa-106Kpa

Environmenttemperature:-20 ~60℃

Relative Humidity5%-90%