UK Product Handbook 2026 - Volume 1

44

Control systems Pneumatic actuators

Materials

32

21

15

23 3 16

31 10 19 29

9 18

8 4

5

6

30 10 16 15

31 2 26 17

7

22, 27, 28 24 14 11

33 25 12

4.2 52

13

1

No. Part

Material

No. Part

Material

18 Nut and threaded bar

1 2

Yoke

SG iron

Carbon steel (plated)

Lower cylinder end cap Upper cylinder end cap

SG iron BS EN 1563 GJS 400 18U-LT SG iron BS EN 1563 GJS 400 18U-LT

19 Threaded bar

M12 Carbon steel (plated)

" NPT vent plug

3

20

LD Polyethylene

(not shown)

4 5 6 7 8 9

21 Cover

Cylinder

Composite tube

PVC

22 Scale

Piston

SG iron

Stainless steel

23 Nut

Spring

Chrome vanadium steel

M12 Carbon steel (plated)

24 Lock-nut

Spindle

Stainless steel

M20 Stainless steel

25 Cap screw

Spindle sleeve

Carbon steel (plated)

Carbon steel (plated)

26 Bolt

Lock-nut

M27 Carbon steel (plated)

M12 Stainless steel

10 Bearing and seal insert 11 Indicator plate

27 Pan head screw

Carbon steel (plated)

Carbon steel (plated)

28 Nut

M2.5 Carbon steel (plated)

Stainless steel

29 'O' ring 30 'O' ring 31 'O' ring

Fluorocarbon rubber (Viton)

12 Top connector

Carbon steel (plated)

Fluorocarbon rubber (Viton)

13 Bottom connector

Carbon steel (plated)

Fluorocarbon rubber (Viton)

14 Connector

Stainless steel

32 Spring washer 33 Spring washer

M12 Carbon steel (plated)

15 Rod seal wiper

Polyurethane

M10 Carbon steel (plated)

16 DU plain bearing

PTFE/steel composite

17 Long nut

Carbon steel (plated)

TI-P327-01 CTLS Issue 5

Page 2 of 7

TN2000 Series Pneumatic Piston Actuators for DN125 to DN300 SPIRA-TROL Series Control Valves

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