Bơm màng định lượng FWT System

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Bơm màng định lượng FWT System
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Bơm màng định lượng FWT System

Mechanical actuated diaphragm metering pumps has been designed for dosing liquids free or with very small suspended solid particles. Mechanical diaphragm type pumps are suitable when: 
Zero leakage is essential   ✓ Pumped liquid contains suspended solids particles 
The pump comprises of four basic sections: motor drive, gearbox, pump head and valves. 
Pump Head: pumping action is performed by a push rod pushing the diaphragm, which has a reciprocating movement within the pump head. 
All parts are in direct contact with the liquid being metered. The sealing effect is achieved by rings of material suited to the liquid being handled.

D SERIES


 

D TECHNICAL CHARACTERISTICS

 

MODEL

FLOW RATE 
(l/h)

MAX PRESSURE (barg)

STROKES 
MINUTE

Ø  
DIAPHRAGM

STROKE 
LENGTH

"Ø"VALVE  
PASSAGE

MOTOR POWER (kW)

THREATED CONNECTIONS STANDARD

FLANGED CONNECCTIONS OPTIONAL (UNI / ANSI)

MAX

MIN

3PH

1PH

D

18

18

2

8

34

110 mm

2 mm

5

0,18

0,37

1/4" BSPf

DN15/1/2"     
150 RF

D

35

35

4

8

71

8,5

3/8" BSPf

D

50

50

5

8

106

D

85

85

9

8

150

D

40

40

4

8

34

4 mm

D

75

75

8

8

71

D

115

115

9

8

106

D

160

160

11

8

150

D

55

55

5

8

34

6 mm

D

110

110

11

8

71

D

180

180

13

8

106

D

250

250

25

8

150

D

70

70

7

5

34

170

3 mm

17

0,18

0,37

1” BSPf

DN 25 / 1”

150 RF

D

155

155

15

5

71

D

240

240

24

5

106

D

340

340

34

5

150

D

150

150

15

5

34

170

6 mm

D

320

320

32

5

71

D

480

480

48

5

106

D

680

680

68

5

150

D

230

230

23

5

34

170

9 mm

D

500

500

50

5

71

D

700

700

70

4

106

0,37

D

1000

1000

100

3

150

 

Max flow rate data refers to test with water, ambient temperature of 25°C, height of 250m a.s.l., suction height of 1mt with rigid suction pipes. Values are valid for operation @50Hz.

   REMINDER: standard motor 230/400Vac, 50Hz; 275/480Vac, 60Hz • 3 phase; Class F, IP55,~1400 rpm

OPTIONAL POWER 3-PH MOTOR: 0.37 kW

MAXIMUM OPTIONAL PRESSURE 3-PH MOTOR: 8 (barg) (except D 1000)

 

USEFUL information when selecting dosing pumps:

Max flow rate, Max working pressure, chemical viscosity, temperature, area classification, suspended solids

 

 

 

DS LIQUID ENDS CONFIGURATIONS

 

WETTED PARTS

AA

CA

VT

VH

Pump head

AISI 316L

PP

PVDF

PVDF

Head connections

AISI 316L

PP

PVDF

PVDF

Diaphragm

PTFE

PTFE

PTFE

PTFE

Ball check valve

AISI 316L

GLASS PYREX

PTFE

HASTELLOY C276

Valve o-rings

FPM

FPM

PTFE

PTFE

Valve seat

AISI 316L

PVC

PVDF

 


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