Flowserve NAF Series User Manual

16
49 Studs Qty depends on
actuator series
50 Nut sleeve Qty depends on
actuator series
51 Bush (fitted) 1 x x
Kits No. 9 Spring assembly for spring cylinder
47 Spring assembly with
bearing guard (fitted) 1 x x
Kits No. 10 Service kit
3 Upper thrust bearing, lever 1 x
4 Upper radial bearing, lever 1 x x
7 O-ring 1 x x
9 A Pin 2 x x
10 A Locking clip 2 x x
11 Pin bearing 2 x x
Item No. Description Qty Size Item No. Description Qty Size
15 Lower thrust bearing, lever 1 x x
16 Lower radial bearing, lever 1 x x
17 O-ring 1 x x
30 O-ring, air passage 2(1) x x
32 Piston 2(1)*
33 Guide ring 2(1)*
34 Faced O-ring 2(1)*
*Actuator sizes 430-439 have an active cylinder.
Actuator series 40 has items 33 and 34 in the reverse
locations.
42 Seal holder, complete 2 x x
with seals item 42.1,
42.2 and mounting screws
43 O-ring, cylinder seal 2(1) x x
6. Parts list
Sizes 02 - 32
6.1 Double-acting actuator NAF 791290
1 Cylinder 1
2 Bolt 8 (size 0)
2 Tie rod 8 (size 1 - 3)
3 O-ring 4
4 End cover 2
5 Washer 8
6 Nut 8 (size - 3)
7 Sealing washer 2
8 End-stop nut 2
Item Description Qty/ Remarks
No. acutator
Item Description Qty/ Remarks
No. actuator
9 End-stop bolt 2
10 Pin 1
11 Circlip 2
12 Link plate 4 2 for sizes 0 and 3
13 Spacer 2 None for sizes 0 and 3
14 Bush 2 4 for sizes 0 and 3
15 Washer 2 None for sizes 0 and 3
16 Cylinder 1
16.1 Blank cylinder 1 For sizes 11, 21, 31

Flowserve NAF Series Specifications

General

Brand	Flowserve
Model	NAF Series
Category	Controller
Language	English