Type 8650

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1.5. 16.5 mm width per station: pilot valves Type 6526 and Type 6527 Ex i

• The pneumatic valves of Type 6526  and Type 6527  consist of an Ex i pilot solenoid valve

Type 6106  and a pneumatic seat valve. The operating principle allows switching of high

pressures with low power consumption and short switching times. The pilot valves are

equipped with a manual override as standard (alternatively versions without).

• Further information regarding ordering information can be found in chapter „Ordering chart

accessories“ auf Seite 13.

Product properties

Material

Body

PA (polyamide)

Seal

NBR

Manual actuation

Yes (alternative versions without)

Orifice

DN 6 mm

Performance data

Flow (Q

Nn value air)

700 l (measured at + 20 °C, 6 bar pressure at valve inlet and 1 bar differential pressure)

Nominal operating mode

Continuous operation (100 % duty cycle)

Electrical data

Nominal power of each valve

0.3 W

Process/Port connection & communication

Port connection

Via valve block Bürkert Type 8650

Electrical connection (on valve)

Via valve block Bürkert Type 8650

Environment and installation

Mounting condition

With 2 Screws M3 × 30

2.

Circuit functions

Symbol

Description

2(A)

1(P)

3(R)

12

Circuit function C (CF C)

3/2-way solenoid valve

Servo-controlled, with manual override

Normally closed

4

1

5

14

2

1

3

12

Circuit function C (CF C)

2 x 3/2-way solenoid valve

Servo-controlled, with manual override

Normally closed

2(B)

1(P)

3(R)

10

Circuit function D (CF D)

3/2-way solenoid valve

Servo-controlled, with manual override

Normally open

14

12

4

2

5 1 3

Circuit function 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.