Alfalaval Unique Mixproof - Page 42

7 Parts list and service kits
Always use Alfa Laval genuine spare parts. The warranty of Alfa Laval products is dependent on the use of Alfa Laval genuine
spare parts.
Parts list
Pos. Qty Denomination
11
Upper stem
2
4
Screw
3
1
Air fitting
3.1
1
Air fitting
3.2
1
Air fitting
41
Stop for upper piston
5 
1
O-ring, NBR
6 
1
Guide ring, Turcite
7 
1
O-ring, NBR
8
1
Upper piston
9 
1
O-ring, NBR
10
1
Spring assembly
11 1
Distance spacer
11.1 1
Screw
12
1
Pin
13
1
Washer
14 1
Spring assembly
15 1
Plug
15.1 1
Plug
17 1
Main piston
18 
1
Guide ring, Turcite
19 
1
O-ring, NBR
20 
1
O-ring, NBR
21
1
Bottom
22 
1
Guide ring, Turcite
23 
1
O-ring, NBR
24
1
Retaining ring
25
1
Cover disk
26
1
O-ring, NBR
27
1
Inner stem
28 
1
O-ring
29
1
Piston rod
30
1
Lower piston
31 
1
O-ring, NBR
32 
1
Guide ring, Turcite
33 
1
O-ring
,NBR
34 3 Bolt
35 3 Washe
r
36 3 Nut
Service kits
Denomination
DN/OD 38
DN40
Seat ø53.3
DN/OD 51
DN 50
Seat ø53.3
DN/OD 63.5
DN 65
DN/OD 76.1
DN 80
Seat ø81.3
DN/OD 63.5
DN 65
DN/OD 76.1
DN 80
Seat ø81.3
(Unbalanced
lower plug)

Actuator service kit ............................................
9611926414 9611926414 9611926415 9611926416
Parts marked with
 areincludedintheservicekit.
42