Burkert Type 2000 Manuel d'utilisateur télécharger pdf (Page 11)

Start-Up

To ensure complete opening, the minimum control pressure

must be used!

Observe the information on the Ex area in section “4”!

8.3. Flow below the seat

Control function A, CFA: closes by spring force against the medium flow.

Control function B, CFB: closes with the control pressure against the

medium flow. The medium pressure supports the opening of the valve.

CFA/CFI

CFB/CFI

Flow below the seat (closing

against the medium)

Flow above the seat (closing

with the medium)

CFA

WARNING!

Seat leaks caused by the minimum control pressure being too

low (on CFB and CFI) or the medium pressure being too high!

• Observe the minimum control pressure and medium pressure

(see “6.6.1. Pressure ranges”).

8.4. Maintenance work

→ Complete a visual inspection of the equipment once a year. Shorter

maintenance intervals may be recommended depending on the

operating conditions.

Wear parts: seals and swivel plate.

→ In the event of a leak, replace the relevant wear part.

The maintenance and repair instructions are available on the

Internet: www.burkert.com

9. DISASSEMBLY

DANGER!

Risk of injury from discharge of medium and pressure!

It is dangerous to remove a device which is under pressure due to

the sudden release of pressure or discharge of medium.

• Before removing a device, switch off the pressure and vent the lines.

Procedure:

→ Loosen pneumatic connection.

→ Remove device.

english

Type 2000

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Burkert Type 2000 Manuel d'utilisateur Page 11