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Liquid Turbine Flow Meter

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Liquid Turbine Flow Meter Overview

SLW series Turbine Flow Meter has simple structure, light weight, high-accuracy, perfect repeatability, sensitivity, easy maintenance and use. It is a kind of volumetric flow meter and low cost flow meter which are widely used to measure liquid which has no chemical corrosive reaction with stainless stee1Cr18Ni8Ti, 2Cr13, corundum Al2O3and cemented carbide. This kind of measured liquid has no impurities such as fiber and particles. The movement viscosity is lower than 5×10-6m2/s at working temperature. If the viscosity is higher than 5×10-6m2/s, turbine flow meter manufacturer will calibrate in the liquid before use, so it is good to use as oil flow sensor ,such as diesel flow meter. It can finish batch control, alarm and etc,if matched with digital controllers. It is also the ideal turbine meter for flow measuring and energy saving (such as used as LPG flow meter or digital fuel flow meter).


Features of Liquid Turbine Flow Meter

• High accuracy; Normal type can reach ±1%R, ±0.5%R.High accuracy type can reach to ±0.25%R.

• Excellent repeatability, repeatability in a short time can reach to 0.05%~0.2%.Due to the excellent repeatability; customers buy flow meter and use it for trade purpose.

Turbine flow transmitter Output pulse frequency signal, suitable for total flow measuring (work as totalizing flow meter) and connecting upper computer through Modbus RS485, it can also be analog flow meter

• Turbine flow sensor no zero drift and strong ability in anti-noise.

• High frequency signal (10Hz~1.5 KHz), strong signal resolution.

• SLW series Turbine Flow Meter with wide turn down ratio, max 1:20

• Compact and light structure, convenience in installation and maintenance, cheap China flow meter.

• Suitable to measure in high pressure .No need to open aperture on the meter, so it is easy to make high pressure flow meter.

• It is custom turbine flow meter. it can be thread connection turbine flow or sanitary turbine flow meter, and it can even be made as low flow turbine flow meter with flow meter size only DN4.

• SLW series Turbine Flow Meter can max bear 150℃, so it can be used as hot water meter or measure other high temperature medium.


Technical Specification of Liquid Turbine Flow Meter

Manufacture Standard

Turbine flow meter (JB/T9246-1999)

Turbine Flow Medium

Clean, low viscosity(≤5×10-6m2/ s) ,non-corrosive liquid

Flange Standard

Standard GB/T9113-2000,option ANSI,JIS,DIN

Thread Standard

StandardBSPP(male),optionBSPP (female), NPT.,etc.

Turbine Flow meter Accuracy

1.0%,0.5%

Turn Down Ratio

1:10-1:20

Calibration

Methods

Master meter calibration

Static weigh mass flow calibration

Environment

Environment temperature: 20℃

Relative Humidity :65%

Working Condition

Medium temperature

T1: -20 ~80℃

T2: -20 ~120℃

T3: -20 ~150℃

Environmenttemperature

-20 ~60℃

Relative Humidity

5%-90%

Atmospheric pressure

86Kpa-106Kpa

Enclosure Protection

SLW-N:IP60;  othersIP65

Transmission Distance

No more than 1000 m

Turbine Flow sensorMaterial

Housing: Standard-304 Stainless Steel ;

Optional - 316 Stainless Steel

Bearings and Shaft: Tungsten Carbide   ;

Rotor:2Cr13 Stainless Steel

Retaining Rings:304 Stainless Steel

Turbine meterConsumption

< 1W

Communication

Modbus RTU/Hart Protocol


Turbine Flow meter Flow Range & Connection & Pressure Rating

Size

(mm)

Standard Flow (m3/h)

Extended Flow (m3/h)

Connection

Standard Pressure

Special Pressure

DN4

0.04-0.25

0.04-0.24

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

DN6

0.1-0.6

0.06-0.6

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

DN10

0.2-1.2

0.15-1.5

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

DN15

0.6-6

0.4-8

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

Flange

4.0Mpa

≤10Mpa

DN20

0.8-8

0.45-9

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

Flange

4.0Mpa

≤10Mpa

DN25

1-10

0.5-10

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

Flange

4.0Mpa

≤10Mpa

DN32

1.5-15

0.8-15

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

Flange

4.0Mpa

≤10Mpa

DN40

2-20

1-20

Thread

6.3 Mpa

≤16Mpa

Wafer

1.6Mpa

≤42Mpa

Flange

4.0Mpa

≤10Mpa

DN50

4-40

2-40

Thread

1.6Mpa

≤16Mpa

Wafer

1.6Mpa

≤25Mpa

Flange

4.0Mpa

≤10Mpa

DN65

7-70

4-70

Thread

1.6Mpa

≤16Mpa

Wafer

1.6Mpa

≤25Mpa

Flange

1.6Mpa

≤6.3Mpa

DN80

10-100

5-100

Thread

1.6Mpa

≤16Mpa

Wafer

1.6Mpa

≤25Mpa

Flange

1.6Mpa

≤6.3Mpa

DN100

20-200

10-200

Wafer

1.6Mpa

≤16Mpa

Flange

1.6Mpa

≤6.3Mpa

DN125

25-250

13-250

Wafer

1.6Mpa

≤16Mpa

Flange

1.6Mpa

≤2.5Mpa

DN150

30-300

15-300

Wafer

1.6Mpa

≤16Mpa

Flange

1.6Mpa

≤2.5Mpa

DN200

80-800

40-800

Wafer

1.6Mpa

≤10Mpa

Flange

1.6Mpa

≤2.5Mpa


Liquid Turbine Flow Meter Model Selection

Item

Code

Description

General

SLW

Silver Liquid turbine flow meter

NominalDiameter

DN4-200

DN4-DN200

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

C2

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

C1

With display,4-20mA output and RS485, 24VDC power supply

Cx

Customized

Accuracy

10

±1.0% of reading (DN4-DN10,DN125-DN200)

05

±0.5% of reading (In line type,DN15-DN100)

S

Customized

Flow Range

S

Standard (refer to table 2)

E

Extended (refer to table 2)

Housing Material

S

304 Stainless Steel

L

316 Stainless Steel

Explosion Proof

N

Non explosion proof

E

ExdIIBT6

Pressure rating

N

Standard, (refer to table2)

H(x)

Customized,(refer to table2)

Temperature

T1

-20 ~80℃

T2

-20 ~120℃

T3

-20 ~150℃

Installation

FL

Flange connection

LW

Thread Connection (Specify Thread standard when ordering)

JZ

Wafer type connection

S

Others

Addition option

H

WithHausman Connector


Sample:  SLW-25/C/05/S/S/N/T1/FL

Liquid turbine flow meter, DN25, With display,4-20mA output, 24VDC power supply, accuracy 0.5%,standard flow range 1-10m3/h, 304 Stainless Steel Housing Material, non explosion proof, 4.0Mpa, temperature: -20 ~80℃, flangeconnection.

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