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Self-acting differential pressure and flow controller primarily for use in district heating systems. The controller closes on rising differential pressure or when set max. flow is exceeded.
The controller has a control valve with adjustable flow restrictor, an actuator with two control diaphragms and handle for differential pressure setting.

AVPQ 4

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Ascending Order

26 Item(s)

Connection type

Installation place

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AVPQ 4

15

1.6 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

0.86 m3/h

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AVPQ 4

15

2.5 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

1.4 m3/h

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AVPQ 4

15

4 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

2.2 m3/h

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AVPQ 4

20

6.3 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

3 m3/h

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AVPQ 4

25

8 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

3.5 m3/h

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AVPQ 4

32

12.5 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

8 m3/h

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>

AVPQ 4

40

16 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

10 m3/h

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>

AVPQ 4

50

20 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.2 bar

1 bar

12 m3/h

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>

AVPQ 4

15

1.6 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.3 bar

2 bar

0.86 m3/h

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>

AVPQ 4

15

2.5 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.3 bar

2 bar

1.4 m3/h

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>

AVPQ 4

15

4 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.3 bar

2 bar

2.2 m3/h

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AVPQ 4

20

6.3 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.3 bar

2 bar

3 m3/h

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>

AVPQ 4

25

8 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.3 bar

2 bar

3.5 m3/h

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>

AVPQ 4

32

12.5 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.3 bar

2 bar

8 m3/h

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>

AVPQ 4

40

16 m3/h

25 bar

150 °C

Ext. thread

Flow

Adjustable

0.3 bar

2 bar

10 m3/h

1