SILVER AUTOMATION INSTRUMENTS LTD.

Gas Turbine Flow Meter

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Overview of Gas Turbine Flow Meter

SGW gas turbine flow meter which assimilates the advanced turbine technology of flow meters for gas from China and overseas with optimum design, is a new generation of gas flow meter with high precision and reliability based on the theory of pneumatics, hydromechanics ,electro-magnetic etc. Turbine gas flow meter has excellent performance under both low and high pressure, various ways of signal output and low sensitivity to the fluid turbulence,. Thus gas turbine meter is widely applied to the measurement of gas flow, such as used as natural gas flow meter, n2 flow meter (flowmeter for nitrogen) or industrial air flow sensor. we are reliable China gas turbine flow meter manufacturer.


Features of Gas Turbine Flow Meter


  • High accuracy, standard accuracy:±1.5%R,option±1.0%R.
  • New design gas turbine flow sensor, low flow start, low pressure loss, good shock resistance and anti-fluctuation, long life time, China cheap gas flow meter.
  • Premium rectifier, not hard demand on straight pipes in down and up stream.
  • Good Turn down ratio, 30:1-10:1
  • The instrument K factor can be linear corrected by max 8 points to improve the gas flow meter calculation accuracy.
  • Gas turbine display can be rotated by 180 degree and easy for installation, it is a kind of digital gas flow meter.
  • Good repeatability, it can be 0.05R-0.2R in short time, so it is good choice for trade purpose measurement ,such as for natural gas flow measurement with built-in temperature and pressure compensation.
  • Independent electronics, can be easily replaced and convenient maintenance.
  • Custom gas flow meter, you can specify your flow meter size ,wet parts material and housing material ,connection and pressure rating when ordering.



Gas Turbine Flow Meter Technical Specification

Medium

Clean gas with low to medium velocity

Standard

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

Gas flow meter 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

Gas meter Calibration

Facility

1. Master Meter calibrationfacility

2. Sonic nozzle gas flow calibrationfacility

3. Bell prover gas calibration facility

Environment

Temperature: 20℃

Relative Humidity: 75%

Working Condition

Medium temperature: -20 ~80℃

Atmospheric pressure: 86Kpa-106Kpa

Environmenttemperature:-20 ~60℃

Relative Humidity5%-90%

Typical Error Curve

Gas Turbine Flow Meter Typical Error Curve

Flow meter Flow Range & Pressure Rating

Size-Flow-Flow rate

Gas Turbine Flow Meter standard flow range

Gas Turbine Flow Meter Extended Flow Range


Standard Flow Range

Extended Flow Range


Gas Turbine Meter Flow Range & Pressure Rating

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


Gas Turbine Flow Meter Pressure Loss Curve

Gas Turbine Flow Meter Pressure Loss Curve

SGW Gas Turbine Meter Product Classification

Model

SGW-N

SGW-A

SGW-B

SGW-C

SGW-D

Picture

gas turbine flow meter

gas flow sensor

industrial air flow sensor

Display

No Digital Display

No temperature and pressure compensation

Digital Display

Instant & Totalized Flow

No temperature andpressure compensation

Digital Display

Instant & Totalized Flow

Temperature and pressure compensation

Diameter

DN20-DN400

Output

Pulse

4-20mA

No

4-20mA/Pulse

4-20mA/Pulse

Power

24VDC±15%

Battery*1

24VDC±15%

24VDC±15% & Battery

Flow Range

Standard

Standard or Extended Flow range

RS485

No

RS485 Option

Power consumption< 0.5W

Protection level: IP65

*1 Battery life of gas flow meter is around 56 months

Model Selection


Item

Code

Description

General

SGW

Silver Gas turbine flow meter

Type

N

Without display, pulse output, 24VDC power supply

A

Without display ,4-20mA output, 24VDC power supply

B

With display, Battery powered, without output

C

With display,4-20mA output, 24VDC power supply

C3

With display, pulse output, 24VDC power supply

C1

With display, 4-20mA output,RS485,24V DC power supply

D

Display, temperature and pressure compensation,4-20mA

D1

Display, T& P compensation,4-20mA,RS485

NominalDiameter

20-400

DN20-DN400

Flow range

W(x)

Refer to table 2

S(x)

Refer to table 2

Turbine Sensor Material

S

Stainless steel housing(DN25-DN300)

L

Aluminum housing(DN25,50,80,100)

C

Carbon steel(DN350,DN400)

Rotar, bearing Material

S

Corrosion Resistance ABS

L

Aluminium-Alloy

Structure

N

Standard Structure

A

For Oxygen Only (O2 Only)

B

Compressed-Air Only

Accuracy

10

±1.0% of reading

15

±1.5% of reading

Explosion Proof

N

Non explosion proof

E

ExdIIBT6

Pressure Rating

N

Standard, (refer to table2)

H(x)

Customized,(refer to table2)

Installation

FL

Flange connection

LW

Thread Connection *1

*1 Specify Turbine meter Thread standard when ordering, thread connection available on DN20-DN50 turbine flow meter .

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