Pipeline ancillaries Ball valves
10
Materials DN65
DN80 to DN150
17 15 14 13
17
15 14 13 12
8 11
4
5
3 5 6 7
7
2
1
No. Part
Material
M21Si2 ISO and M21Vi2 ISO Zinc plated carbon steel
ASTM A216 WCB
7.3.157
1
Body
M21Si3 ISO and M21Vi3 ISO Stainless steel
ASTM A351 CF8M
M21Si2 ISO and M21Vi2 ISO Zinc plated carbon steel
SAE 1040
2
Insert
M21Si3 ISO and M21Vi3 ISO Stainless steel
AISI 316
3 4
Ball
Stainless steel
AISI 316
Stem
Stainless steel
AISI 316/AISI 420
M21Si2 ISO and M21Si3 ISO Carbon and graphite reinforced PTFE
PDR 0.8
5
Seat
M21Vi2 ISO and M21Vi3 ISO Virgin PTFE
10.3 154
6 7 8
Insert 'O' ring
EPDM
Geothermal
Seat 'O' ring
EPDM
Geothermal
Stem 'O' ring
EPDM
Geothermal
11
Lower stem seal
Antistatic R-PTFE
12 13 14 15
Upper stem packing
Virgin PTFE
Separator
Zinc plated carbon steel
SAE 1010
Belleville washer
Carbon steel/stainless steel
Gland nut
Zinc plated carbon steel
SAE 1010/SAE 12L14
17
Locking plate
Stainless steel
AISI 304
TI-P133-77 CMGT Issue 5
Page 4 of 9
M21Si ISO and M21Vi ISO Reduced Bore Ball Valves DN15 to DN150 Flanged PN40
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