![background image](http://html.mh-extra.com/html/emerson/bettis-q-series/bettis-q-series_installation-operation-and-maintenance-manual_101551061.webp)
Parts List and Spare Parts
11.2
Actuator Size Q950 to Q1600
27
23
6
8
12
9
10
5
13
26
29
30
21
18
15
11
7
2
4
28
3
31
32
33
19
1
Pos. Qty.
Description
Material
1
1
House
Cast Aluminium alloy
2
2
1
B-port seal
Nitrile rubber
3
1
Center plate (option)
Nylon PA6, Black
4
12
Thread insert
Steel
5
2
End cap SR
Cast Aluminium alloy
6
2
End cap DA
Cast Aluminium alloy
7
Max. 6
Springs
Spring steel
8
12
End cap screw DA
Stainless Steel
9
12
End cap screw SR
Stainless Steel
10
12
End cap screw washer
Stainless Steel
11
2
1
O-ring end cap
Nitrile rubber
12
2
Warning sticker DA
Polyester
13
2
Warning sticker SR
Polyester
14
2
Piston
Cast Aluminium alloy
15
2
1
Bearing piston
PTFE 25% carbon-filled
16
2
1
O-ring piston
Nitrile rubber
17
2
1
Bearing strip piston rack
POM
18
1
Pinion
High grade aluminium
19
2
1
Bearing pinion top
POM
20
1
1
Bearing pinion bottom
POM
21
1
1
O-ring pinion top
Nitrile rubber
22
1
1
O-ring pinion bottom
Nitrile rubber
23
1
1
Thrust bearing pinion
POM, black UV stabilized
26
1
Indicator assembly
ABS + stainless steel screw
27
1
1
Circlip
Spring steel
28
1
Drive insert
Aluminium
29
1
1
Backup ring
POM
30
2
Limit stop screw
Stainless steel
31
2
Limit stop nut
Stainless steel
32
2
1
Limit stop washer
PA66
33
2
1
O-ring limit stop
Nitrile rubber
Notes:
1 Included in Service Kit.
Installation, Operation and Maintenance Manual
DOC.IOM.BQ.E Rev. 3
April 2019
57
Section 11: Parts List and Spare Parts