4.2.3

Material

SG iron

Carbon steel (plated)

Aluminium

Reinforced NBR

Spring steel

Stainless steel

Carbon steel (plated)

Carbon steel (plated)

Viton

Stainless steel

Stainless steel

PN9000

Carbon steel

Materials

16

32

21

31

30

6

15

19 and 20

26 and 27

1

No. Part

1

Yoke

2

Upper diaphragm housing

3

Diaphragm plate

4

Diaphragm

5

Spring

6

Spindle

7

Washer

8

Spacer

9

'O' ring

10

Connector

11

Adaptor

17

18

25

10

12

13 and 14

11

12

Collar

PNP9000

BS 970 431 S29

BS 970 431 S29

1.4057 or AISI 420

13

Clamp front

14

Clamp rear

15

Scale

16

Vent plug

17

Bearing

18

Seal

19

Pan head screw

20

Nyloc nut

21

Bolt

Stainless steel

PN9000S

Stainless steel 316L

Stainless steel

Stainless steel

Stainless steel

Brass

PTFE/steel composite

Polyurethane

PN9000

Carbon steel (plated)

PNP9000

Stainless steel

PN9000S

Stainless steel

BS 3100 Pt 2 304 C15

BS 3100 Pt 2 304 C15

BS 1449 304 S16

A2-70

A2-70

Gr. 8.8

Gr. 8.8

A2-70

A2-70

A2-70

A2-70

Gr. 8.8

A2-70

A2-70

Gr. 8.8

22

Hex. head screw (short)

PN9000

23

Hex. head screw (long)

PNP9000

24

Nut

PN9000S

Carbon steel (plated)

Carbon steel (plated)

Stainless steel

Stainless steel

25

Lock-nut

26

Socket head screw

PN9000

Carbon steel (plated)

27

Nut

28

Washer

29

Screw

30

Gasket

31

Lower diaphragm housing

32

Lifting eye

Page 2 of 26

TI-P357-30 CH Issue 10

PN9000 Series Pneumatic Actuators for use with Spira-trol

TM

Control Valves

Control valves

Pneumatic actuators

2

5

28

22

and

23

4

7

29

24

8

3

9

PNP9000

PN9000S

Stainless steel

PN9000

Carbon steel (plated)

PNP9000

Stainless steel

PN9000S

Stainless steel

Carbon steel (plated)

Carbon steel (plated)

Reinforced Graphite

Carbon steel (plated)

PN9000

Cast steel

PNP9000

Cast steel

PN9000S

Stainless steel 316L

Stainless steel