Series 103

AUTOFLOW®, Automatic flow rate regulator with steel cartridge.

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Product Description

Automatic flow rate regulator with steel cartridge.
Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports.
Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h.

Technical data

Maximum working pressure: 16 bar
Medium temperature range: -20–110 °C
Maximum percentage of glycol: 50 %
Medium: water, glycol solutions
Range △p: 55–210 kPa
Material: cast iron

Note

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

Drawings and specifications

Part number Connection Note △p min.
Range △p
22–210 kPa
Flow rate regulation range
9–17 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 65 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 9–17 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
18–23 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 65 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 18–23 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
25–36 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 65 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 25–36 m³/h. Material: cast iron.
Range △p
22–210 kPa
Flow rate regulation range
9–17 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 80 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 9–17 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
18–23 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 80 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 18–23 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
25–36 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 80 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 25–36 m³/h. Material: cast iron.
Range △p
22–210 kPa
Flow rate regulation range
18–34 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 100 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 18–34 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
23–45 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 100 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 23–45 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
50–73 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 100 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 50–73 m³/h. Material: cast iron.
Range △p
22–210 kPa
Flow rate regulation range
18–34 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 125 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 18–34 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
23–45 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 125 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 23–45 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
50–73 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 125 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 50–73 m³/h. Material: cast iron.
Range △p
22–210 kPa
Flow rate regulation range
40–68 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 150 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 40–68 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
40–91 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 150 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 40–91 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
92–145 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 150 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 92–145 m³/h. Material: cast iron.
Range △p
22–210 kPa
Flow rate regulation range
80–119 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 200 (EN 1092-1) PN 16, flange ANSI 150. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 80–119 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
80–159 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 200 (EN 1092-1) PN 16, flange ANSI 150. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 80–159 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
160–255 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 200 (EN 1092-1) PN 16, flange ANSI 150. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 160–255 m³/h. Material: cast iron.
Range △p
22–210 kPa
Flow rate regulation range
110–187 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 250 (EN 1092-1) PN 16, flange ANSI 150. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 110–187 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
110–250 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 250 (EN 1092-1) PN 16, flange ANSI 150. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 110–250 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
251–400 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 250 (EN 1092-1) PN 16, flange ANSI 150. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 251–400 m³/h. Material: cast iron.
Range △p
22–210 kPa
Flow rate regulation range
150–255 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 300 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 22 kPa. Range △p: 22–210 kPa. Flow rate regulation range: 150–255 m³/h. Material: cast iron.
Range △p
40–390 kPa
Flow rate regulation range
150–341 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 300 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 40 kPa. Range △p: 40–390 kPa. Flow rate regulation range: 150–341 m³/h. Material: cast iron.
Range △p
55–210 kPa
Flow rate regulation range
342–545 m³/h
3D models
Tender text
Automatic flow rate regulator with steel cartridge. Complete with EN 1092-1 PN 16 flanges, rods, seals and quick-fit pressure test ports. Available in DN 350 to DN 1000 sizes on request,with flow rates of up to 4400 m3/h. connection: DN 300 (EN 1092-1) PN 16. Maximum working pressure: 16 bar. Medium temperature range: -20–110 °C. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Range △p: 55–210 kPa. △p min.: 55 kPa. Range △p: 55–210 kPa. Flow rate regulation range: 342–545 m³/h. Material: cast iron.

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