44
Control systems Pneumatic actuators
Materials (continued)
21
22 and 23 28
24
29
31 30
25
19 and 20
26 and 27
4.2 4
No.
Part
Material
PN9000
Carbon steel (Zn. plated)
19 20
Pan head screw Nyloc nut
PN9000S
Stainless steel
A2 - 70
21
Bolt
Carbon steel (Zn. plated)
Gr. 8.8
22 23 24
Hex. head screw (short) Hex. head screw (long) Nut
PN9000
Carbon steel (Zn. plated)
Gr. 8.8
PN9000S
Carbon steel (Zn. and AL. plated)
Gr. 8.8
25
Lock-nut
Stainless steel
A2 - 70
PN9000
Carbon steel (Zn. plated)
Gr. 8.8
26 27 28 29 30
Socket head screw Nut
PN9000S
Stainless steel
A2 - 70
Washer
Carbon steel (Zn. plated)
Hex. head screw
Carbon steel (Zn. plated)
Gr. 8.8 (Gr. 10.9 for PN9300R)
Gasket
Reinforced Graphite
31
Lower diaphragm housing
Carbon steel (Zn. plated)
32
Thrust plate
PN9300R only
Carbon steel
32 ( PN9300R only)
TI-P357-30 CTLS Issue 18
Page 4 of 49
PN9000 Series Pneumatic Actuators for use with Spira-trol TM Control Valves
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