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4installation tools – Burkert Type 2712 User Manual

Page 4

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8

Pushing direction

for packing gland parts

1

Support ring

2

Upper gaskets

3

Upper pressure ring(s)

4

Pressure spring

5

Lower pressure ring

6

Lower gaskets

7

Spacer

∅ Spindle 22 mm

∅ Spindle 14 mm

1
2
3

4

5

6

∅ Spindle 10 mm

1
2
3

4

5

6

1
2

3

4

6

5

7

Fig. 2:

Seal sets for packing glands

Spindle

diameter

Orifice body Material of the spindle

guide

Tightening

torque [Nm]

10 mm

PEEK

6

10/15

1.4401 / 1.4404 /

316L

15

20/25

25

32

50

14 mm

PEEK

15

25

1.4401 / 1.4404 /

316L

25

32 – 50

60

22 mm

65 – 100

1.4401 / 1.4404

60

Tab. 3:

Spindle guide tightening torques

For installation of control cone see Chapter “3.2”, page 4.

english

9

3.4 installing actuator on valve body

If required, replace graphite seal.

Warning!

Unsuitable lubricant may contaminate the medium.
In oxygen applications there is a risk of explosion.

▶ Only use approved lubricants for specific applications, such as oxygen or

analytical applications.

Grease nipple thread before re-installing the actuator (e.g. with Klüber

paste UH1 96-402 from Klüber).

note!

Damage to the seat seal or the seat contour!

▶ When installing the actuator, the valve must be in the open position.

For control function A:
Without control: Pressurize control air connection

1 (Type 2301) or lower control air connection (Type

2712) with compressed air (5 bar) – valve opens.
With control: Open valve according to the operating

instructions for the control.

1

2

Control air connection

Screw actuator into the valve body. Observe tightening torque

(see “Tab. 4”).

DN

Torque [Nm]

DN

Torque [Nm]

10/15

45 ±3

50

70 ±3

20

50 ±3

65

100 ±3

25

60 ±3

80

120 ±5

32

65 ±3

100

150 ±5

40

Tab. 4:

Tightening torques of valve body / nipples

english

10

4

inSTallaTion ToolS

Installation wrench for packing gland

(for PEEK spindle guide only)

Order no.

Spindle diameter 10 mm

665 700

Spindle diameter 14 mm

665 701

Tab. 5:

Installation wrench for PEEK spindle guide

Modified socket wrench for packing gland

(series-production status from January 2013)

AF

Socket wrench

Body DN

AF

Order no.

Spindle ∅ 10 mm

15

19

683 220

Spindle ∅ 10 mm

20 – 25

21

683 222

Spindle ∅ 14 mm

25 – 50

21

683 223

Tab. 6:

Modified socket wrench

Special wrench for rotating the actuator

(only for actuator without hexagon)
Order number

665 702

Tab. 7:

Special wrench for actuators without hexagon

Installation tools for replacing valve seat

Orifice valve seat DN

Order number

15

652 604

20

652 605

25

652 606

32

652 607

40

652 608

50

652 609

65

655 562

80

655 563

100

655 564

Tab. 8:

Installation tool for replacing valve seat

If you have any queries, please contact your Bürkert sales office.

english

Type 2301, 2712

This manual is related to the following products: