مقياس التدفق الدوامي

Vortex Flow meter Main Technical Parameters

Fluids

Gas, steam

Liquid

Accuracy

±1.5%

±1.0%

Repeatability

±0.5%

±0.33%

ReynoldsNumber

2×104~7×106

Media Temp.

Standard

-40°C~+350°C

Extension

-40°C~+250°C

Turn Down Ratio

10:1

Size

DN25~DN500

Pressure

1.6Mpa/2.5Mpa/4.0Mpa and others

Velocity

5m/s ~70m/s

0.5 m/s~7m/s

Wet Parts Material

304 SST/316 SST

FlangeMaterial

Carbon steel/304 SST/316 SST

Bolt Material

Carbon steel/304 SST

Detector Material

316 SST

ConnectingRod

304 SST

Radiator

Aluminum alloy

Mounting

Wafer/Flange

Protection Level

IP65 /IP67/IP68

Power supply

24VDC(18VDC~30VDC)/Battery

Signal Output

(4-20)mA/ pulse

Communication

Hart/Modbus

Electrical connection

2-M20×1.5

Explosive Proof

Exd IIBT4/Exia IICT3-T6

Construction

Compact/Remote

Environment Temp.

With LCD:-10 ~60°C/ Without LCD: -20 ~60°C

RelativeHumidity

5% ~90%

Mark

STLU

Silver Automation Instruments Vortex Flow meter

Code

Working Principle

VFN

Intelligent Karman Vortices Flowmeter

Code

Installing Type

1

Flanged(DN50~DN300)

2

Wafer type (DN15~DN300)

3

Fixed Inserted

4

Adjustable Inserted (without Ball Valve)

5

Adjustable Inserted (with Ball Valve)

Code

Measured Fluid

2

Liquid

3

Gas

4

Steam

Code

Nominal Diameter

015

15mm

05

50mm

15

150mm

020

20mm

06

65mm

20

200mm

02

25mm

08

80mm

25

250mm

03

32mm

10

100mm

30

300mm

04

40mm

12

125mm

Others

Inserted≥250mm

Code

Indicator

D

With Digital Indicator

N

No Indicator

Code

Power Supply

1

24V DC

2

3.6V Lithium Battery

Code

Output Signal

0

No output

1

Pulse Output

2

Two Wire :4~20mA DC

3

RS-485 (manufacture-defined protocol)

4

Hart Protocol

5

RS-485 (Modbus)

Code

Fluid Temperature

1

Standard -40~250°C(-40~120°C for inserted)

3

High Temperature Type :+100~+350°C

Code

Rated Pressure

Code

Standard

Code

Standard

Code

Standard

G1

GB 1.6Mpa

D1

DIN PN16

A1

ANSI Class 150

G2

GB 2.5 Mpa

D2

DIN PN25

A2

ANSI Class 300

G3

GB 4.0 Mpa

D3

DIN PN40

A3

ANSI Class 600

S

Special (specify when order)

Code

Explosion Proof

N

Non

d

Flameproof

i

Intrinsically Safe

Code

Flow Meter Construction

0

Compact display

1

Remote Display (standard 5 m cable)

Code

Protection Level

0

IP65

1

IP67

2

IP68