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EN

4

VB20-IM-DE-W-UK-05-2023-Rev.1 | Part no. 10079071

3 Technical data

Hydraulic performance data

VB20-2

VB20-3

Max. operating pressure

6 bar

Operating temperature

2 °C to 110 °C

Media

Water / water-glycol mixtures according to VDI 2035/ÖNORM H 5195

Dimensions

Width x height x depth without EPP shell

406 x 131 x 70 mm

647 x 131 x 70 mm

Width x height x depth with EPP shell

480 x 154 x 193 mm

721 x 154 x 193 mm

Total weight

excluding packaging

3.8 kg

6.3 kg

including packaging

4.3 kg

6.8 kg

Connections to pipe network 

Heating circuit

G 1 union nut, flat sealing

Boiler circuit

G 1 male connection. flat sealing

Nominal diameter

DN 20

Materials

Manifold

tubular steel

Union nut

brass CW617N

End cap

brass CW617N

Flat seal

AFM 34/2

Insulation

EPP

Flow coefficient (Cv) values

1 outlet open

11 m³/h

11 m³/h

2 outlets open

14 m³/h

13.5 m³/h

3 outlets open

-

15.5 m³/h

Summary of Contents for VB20 Series

Page 1: ...Series VB20 Boiler manifold for FlowBox DN 20 pump groups Installation and operating manual EN WattsWater eu...

Page 2: ...lant operator is responsible for ensuring compliance with the local laws and regulations e g accident prevention regulations etc Incorrect operation or operating the product Boiler manifold VB20 outsi...

Page 3: ...ary to the specifications Improper use of the product VB20 Modifications to the product VB20 that were not agreed with the manufacturer Using replacement or wear parts not approved by the manu facture...

Page 4: ...0 mm Width x height x depth with EPP shell 480 x 154 x 193 mm 721 x 154 x 193 mm Total weight excluding packaging 3 8 kg 6 3 kg including packaging 4 3 kg 6 8 kg Connections to pipe network Heating ci...

Page 5: ...0 10 000 Diagramm Gesamtdruckverlust HKV 2013 xls mbar Pressure loss L h Flow rate 1 outlet open Kvs 11 0 m h 2 outlets open Kvs 14 0 m h VB20 2 1 10 100 1 000 100 1 000 10 000 Pressure loss mbar Flow...

Page 6: ...specified installation positions and flow directions of the parts being replaced CAUTION Material damage Opening shut off valves quickly produces pressure surges Always open shut off valves slowly and...

Page 7: ...rt no 10079071 7 6 3 Installation variants A B A B C D E A B B A C D E 180 180 B A A B E C D E B A B A D C A Return heating circuit B Supply heating circuit C Return boiler circuit D Supply boiler cir...

Page 8: ...al reasons are subject to wear depending on the intensity of use even if the specified care and maintenance have been ob served This especially applies to mechanical parts and parts that could come in...

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