44
Materials (continued) Control systems Safety valves
26 16
24, 25
18
14 15 20
27
40
4.7 108
21 17 22
23
No.
Part
Material
14 15 16
Adjusting screw
Stainless steel
ASTM A479 Type 410
Adjusting screw nut
Carbon steel
Release ring
Carbon steel
17
Lock-nuts (2 off)
Carbon steel
18
Lever
Grey iron
20
Cap set screw
Carbon steel
21
Upper adjusting ring pin
Stainless steel
22
Lower adjusting ring pin
Stainless steel
23
Disc ball
Stainless steel
24
Pin washer
Carbon steel
25
Lever pin
Carbon steel
26
Lock-nut
Carbon steel
27
Guide plate
Carbon steel
40
Stem pin
Carbon steel
TI-S13-30 CTLS Issue 16
Page 4 of 9
SV74 Carbon Steel Safety Valve
Powered by FlippingBook