Type 8640

23 | 32

Visit product website 

9.3. Ordering chart replacement valves

Solenoid valves Type 6524 and Type 6525

Note:

Further information about this product version can be found in chapter “1.2. Solenoid valves Type 6524 and Type 6525” on page 6.

Circuit function

Orifice Q

Nn value

air 1.)

Pressure

range

Switching times

Voltage/

Frequency

Article no.

Opening

Closing

Valves for 8640

REV1 3.)

Valves for 8640

REV2 3.)

[mm]

[l/min]

[bar]

[ms]

[ms]

[V/Hz]

C (CF C)

3/2-way solenoid valve

Servo-controlled, with manual override

Normally closed

2(A)

1(P)

3(R)

12

4.0

300

Vac.…7

15

20

24 V DC

20029915 

(186258 ) 4.)

20029923 

(20013119 ) 4.)

1…10 2.)

15

20

24 V DC

20029913 

(186257 ) 4.)

20029921 

(20013114 ) 4.)

2.5…10

15

28

24 V DC

20029910 

(184043 ) 4.)

20029918 

(365606 ) 4.)

D (CF D)

3/2-way solenoid valve

Servo-controlled, with manual override

Normally open

2(B)

1(P)

3(R)

10

4.0

300

2.5…10

15

28

24 V DC

20029911 

(184400 ) 4.)

20029919 

(365609 ) 4.)

H (CF H)

5/2-way solenoid valve

Servo-controlled, with manual override

Pressure applied via port (1), therefore one of

the two ports (2) or (4) is under pressure.

14

12

4

2

5 1 3

4.0

300

1…10 2.)

15

20

24 V DC

20029914 

(186271 ) 4.)

20029922 

(20013117 ) 4.)

2.5…10

20

28

24 V DC

20029912 

(179938 ) 4.)

20029920 

(365610 ) 4.)

C (CF C)

2 x 3/2-way solenoid valve

Servo-controlled, with manual override

Normally closed

4

1

5

14

2

1

3

12

4.0

300

1…10 2.)

12

20

24 V DC

186259 

2.5…10

12

20

24 V DC

186260 

1.) With integrated hot swap and/or non-return function, see chapter “2.2. Distinguishing features” on page 11

2.) Version with auxiliary pilot air

3.) If you have any questions about the compatibility of the valve revision, please contact your Bürkert sales office.

4.) The Article no. can no longer be ordered. Order the superordinate set instead.