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Rotary Shunt Flow Meter
Product Model:LZB-FL Series

■ Summary  
LZB-FL series rotary shunt flow meter is a kind of instrument composed by throttling device(orifice plate) of main pipeline and rotary flow meter(glass tube flowmeter,metal tube flowmeter) of separate pipeline,which can get the main pipeline flow through measuring the separate pipeline flowrate.
Features  
◆Use the stable small-bore flow meter to measure the large flowrate;
◆Easy read,convenient use and maintenance,compact structure design;
◆When clean or change graduated tube,it is unnecessary to stop the main pipeline flow(equip with stop valve);
◆This series flow meter adopt to the principle of differential pressure and orifice plate machinery principle,can be widely used; 
◆Rangeability:5:1
◆Composed with metal tube flowmeter can equip with 4~20mA current signal output.
Measuring Range  


Table 1

DN(mm)

Flow Range
Water(DP up-limit 60KPa)

Temp.(℃)

Pressure(MPa)

15

20L/min

0~120

≤1.0

20

50L/min

25

100L/min

32

200L/min

40

200L/min

50

300L/min

65

500L/min

80

1000L/min

100

1000L/min

150

3m3/min

200

400m3/min

250

650m3/min

300

900m3/min

 

 

 

Outline Size  


Table 2  LZB-()FL/A

DN(mm)

A

B

DN50

150

135

DN65

150

135

DN80

150

135

DN100

150

150

DN125

150

150

DN150

150

180

DN200

160

320

DN250

160

320

DN300

160

345

 

Fig.1


Table 3  LZB-()FL/B

DN(mm)

A

B

DN50

99

175

DN65

118

185

DN80

132

190

DN100

156

205

DN125

184

218

DN150

211

230

DN200

266

258

DN250

319

285

DN300

370

310

 

 

 

 

 

Fig.2

Table 4  LZB-()FL/G

DN(mm)

A

B

DN15

G1/2"

80

DN20

G3/4"

80

DN25

G1"

80

DN32

G1 1/4"

90

DN40

G1 1/2"

90

DN50

G2"

100

 

 

 

 

 

Fig.3
Type Selection  


Table 5

LZB-

 

 

 

()

25,32,40,50,65,80,100,125,150,200,250,300

Diameter

 

FL

 

Shunt flow

 

A

Flange connection,equip with DN15 flowmeter,with 8 types installation

Connection type

B

Flange connection,equip with DN10,horizontal and vertical installation changeable

G

Threaded connection,equip with DN10,horizontal and vertical installation changeable,DN25~50 optional

 

1,2,3,4,5,6,7,8 A type must choose,see Fig.1 as reference.B and G type with blank

Instal type

 

TG

Carbon steel

Materials

RR1

SS304

RR0

SS316

RL

SS316L

 

0~120℃

Work temp.

 

<1.0MPa

Work pressure

 

 

Density

 

 

Medium

 

 

Flow range

 

LZB-  () /  FL / □/ □/  □ /   □ / □/ □ / □/ □



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