44
Control systems Safety valves
Materials
5
4.7 16
4 8
9 17
2 3
6
7
10
1
No.
Part
Material
1 2 3 4 5 6 7 8 9
Body
SA 216 Gr. WCB
Drain Plug
Carbon Steel
Lock Screw - Lower
Stainless Steel
Lock Screw - Upper
Stainless Steel
Body Stud
SA 193 Gr. B7
Seat Gasket
Graphite
Adjusting Ring - Lower
316 St. St.
Adjusting Ring - Upper
316 St. St.
Disc
Hardened St. St. (17-4-PH)
10
Seat
316 St. St.
17
Stem Retainer
Hardened St. St. (17-4-PH)
Materials continued on next page
**Other materials under request**
TI-P710-01 CTLS Issue 1
Page 2 of 13
SV44H Carbon Steel Safety Valve
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