4.2.29

23

3

16

9

18

8

4

6

17

31

2

26

25

33

12

1

15

10

31

19

29

5

30

10

16

15

7

22, 27, 28

24

14

11

13

Materials

Control valves

Pneumatic actuators

32

21

TI-P327-01 CH Issue 4

TN2000 Series Pneumatic Piston Actuators

for DN125 to DN300 SPIRA-TROL Series Control Valves

Page 2 of 7

No. Part

1 Yoke

2 Lower cylinder end cap

3 Upper cylinder end cap

4 Cylinder

5 Piston

6 Spring

7 Spindle

8 Spindle sleeve

9 Lock-nut

10 Bearing and seal insert

11 Indicator plate

12 Top connector

13 Bottom connector

Material

14 Connector

15 Rod seal wiper

16 DU plain bearing

17 Long nut

18 Nut and threaded bar

19 Threaded bar

20

" NPT vent plug (not shown)

21 Cover

22 Scale

23 Nut

24 Lock-nut

25 Cap screw

26 Bolt

27 Pan head screw

28 Nut

29 'O' ring

30 'O' ring

31 'O' ring

32 Spring washer

33 Spring washer

SG iron

SG iron

SG iron

Composite tube

SG iron

Chrome vanadium steel

Stainless steel

Carbon steel (plated)

M27 Carbon steel (plated)

Carbon steel (plated)

Stainless steel

Carbon steel (plated)

Carbon steel (plated)

Stainless steel

Polyurethane

PTFE / steel composite

Carbon steel (plated)

Carbon steel (plated)

M12 Carbon steel (plated)

LD Polyethylene

PVC

Stainless steel

M12 Carbon steel (plated)

M20 Stainless steel

Carbon steel (plated)

M12 Stainless steel

Carbon steel (plated)

M2.5 Carbon steel (plated)

Fluorocarbon rubber (Viton)

Fluorocarbon rubber (Viton)

Fluorocarbon rubber (Viton)

M12 Carbon steel (plated)

M10 Carbon steel (plated)

BS EN 1563 GJS 400 18U-LT

BS EN 1563 GJS 400 18U-LT