103

AUTOFLOW® - Automatic flow rate regulator with adjustable cartridge

Description: 

Automatic flow rate regulator, flanged version.
Cast iron body.
Stainless steel AUTOFLOW® cartridge.
Max. working pressure: 16 bar.
Temperature range: -20–110 °C.
Max. percentage of glycol: 50 %.
Δp range: 22–210 kPa; 40–390 kPa; 55–210 kPa. 
Flow rates: 9–4400 m3/h. 
Accuracy: ± 5 %. 

Supplied with flat counterflanges EN 1092-1 PN 16, rods, gasket and quick-fit pressure test ports.

Minimum differential pressure required
This is equal to the min. working Δp of the AUTOFLOW® cartridge
(22, 40 or 55 kPa). 
Pump head H = Δp circuit + Δp requise 

Downloads

Code

DN

Min. working (kPa)

Flow rates (m3/h)

Δp range (kPa)

Pack

Package

103111•••

65

22

9-17

22-210

1

-

103113•••

65

40

18–22

40-390

1

-

103114••• 65 55 25-36 55-210 1 -

103121•••

80

22

9–17

22-210

1

-

103123•••

80

40

18-22

40-390

1

-

103124••• 80 55 25-36 55-210 1 -

103231•••

100**

22

18–34

22-210

1

-

103233•••

100**

40

23-45

40-390

1

-

103234••• 100** 55 46-73 55-210 1 -

103141•••

125 

22

18–34

22-210

1

-

103143•••

125 

40

23–45

40-390

1

-

103144••• 125 55 46-73 55-210 1 -

103151•••

150

22

40–68

22-210

1

-

103153•••

150

40

40-91

40-390

1

-

103154••• 150 55 92-145 55-210 1 -

103161•••

200*

22

80–119

22-210

1

-

103163•••

200*

40

80–159

40-390

1

-

103164••• 200* 55 160-255 55-210 1 -

103171•••

250*

22

110–187

22-210

1

-

103173•••

250*

40

110–250

40-390

1

-

103174••• 250* 55 251-400 55-210 1 -

103181•••

300

22

150-255

22-210

1

-

103183•••

300

40

150-341

40-390

1

-

103184••• 300 55 342-545 55-210 1 -

Supplied with ANSI flanges.
** Supplied with flanges EN 1092-1 PN 25.

They are available on request in sizes DN 350 to DN 1000,
with flow rates up to 4400 m3/h.

To identify AUTOFLOW® devices and their codes correctly, contact Caleffi technical support in advance.