BIFFI RPS Series - Page 37

Installation, Operation and Maintenance Manual
MAN 573 Rev. 8 July 2020
NOTE:
* Recommended spare parts
Figure 22 RPS MSJ / MHW Single-Acting Pneumatic Actuator
Table 14. Parts List
Item Qty. Description Material
1 1 Housing Nodular cast iron
2 1 Pinion Nodular cast iron
3 1 Piston Carbon steel
4 1 End ange Low temperature carbon steel
5 1 Rack Nodular cast iron
6 1 Shaft Nickel plated alloy steel
7* 2 Cylinder gasket NBR Rubber
8* 2 Shoulder washer Nylon
9 1 Springs centering disk Nylon
10 2 Nut Carbon steel
11 1 Spring retainer disk Carbon steel
12 1 Rack spacer rod Carbon steel
13 1 Cylinder tube Nickel plated carbon steel
14 4 Tie rod Alloy steel
15 1 Thrust bearing screw Alloy steel
16 2 Spring Carbon steel
17* 2 Sealing washer Teon
18* 1 Sealing washer Teon
19 1 Sliding block Bronze
20* 1 Piston guide sliding ring Teon + graphite
21* 2 Retainer ring Stainless steel
22 2 Screw Alloy steel
23* 1 O-Ring NBR Rubber
24* 2 O-Ring NBR Rubber
25 8 Nut Carbon steel
26 1 Nut Carbon steel
27 1 Washer Carbon steel
28 2 Washer Carbon steel
29 4 Spring pin Carbon steel
30 1 Travel stop screw Carbon steel
31 1 Screw Alloy steel
32 1 Plug Aluminium + Bronze + Steel
33 1 Stop setting screw Bronze
34 1 Manual override jackscrew Stainless steel
35* 1 O-Ring NBR Rubber
36 1 Spacer tube Carbon steel
37 2 Lifting eyelet Carbon steel
33
3
13
22
16
9
16
12
22
7
5
19
15
25
7
D
C
B
A
B
B1
C
D
A
4
14
36
11
32
29
37
25
31
30
26 18
2
6
1
10 28
28
21
24
8
10
27
17
34 35
17 23 20
Layouts 33
Section 7: Layouts