Attachment and assembly, Linear actuators – Burkert Type 8791 User Manual
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Attachment and assembly
8. aTTachmenT anD assemBly
8.1. installation of devices for the
hazardous area
When installing devices in the hazardous area, observe the “Addi-
tional information for use in the hazardous area“ enclosed with the
Ex-devices.
8.2. attachment to a proportional valve
with namur linear actuators
The valve position is transferred to the position sensor installed in
the positioner via a lever (according to NAMUR).
The attachment kit for the linear actuators can be purchased
from Bürkert as an accessory by quoting the identification
number 787215. The associated parts are listed in the “Tab.
8: Attachment kit for linear actuators”.
part no. Quantity name
1
1
NAMUR mounting bracket IEC 534
2
1
Hoop
3
2
Clamping piece
4
1
Driver pin
5
1
Conical roller
6a
1
NAMUR lever for stroke range 3 – 35 mm
6b
1
NAMUR lever for stroke range 35 – 130 mm
7
2
U-bolt
8
4
Hexagon bolt DIN 933 M8 x 20
9
2
Hexagon bolt DIN 933 M8 x 16
10
6
Circlip DIN 127 A8
11
6
Washer DIN 125 B8.4
12
2
Washer DIN 125 B6.4
13
1
Spring VD-115E 0.70 x 11.3 x 32.7 x 3.5
14
1
Spring washer DIN 137 A6
15
1
Locking washer DIN 6799 - 3.2
16
3
Circlip DIN 127 A6
17
3
Hexagon bolt DIN 933 M6 x 25
18
1
Hexagon nut DIN 934 M6
19
1
Square nut DIN 557 M6
21
4
Hexagon nut DIN 934 M8
22
1
Guide washer 6.2 x 9.9 x 15 x 3.5
Tab. 8: Attachment kit for linear actuators
english
Type 8791