|
No
|
Nomenclature
|
Cast
steel
|
Stainless
steel
|
Remark
|
|
1
|
Body
|
Forged
Steel
(Refer
to
Page
5
Shell
Materials)
|
|
|
2
|
Cap
|
Forged
Steel
(Refer
to
Page
5
Shell
Materials)
|
|
3
|
Ball
|
A
351
Gr
CF8M
|
|
|
4
|
Seat
Ring
|
Refer
to
page
5
Seal
Materials
|
|
|
5
|
Stem
|
A276
Gr.
316
|
|
|
6
|
Packing
|
Refer
to
page
5
Seal
Materials
|
|
|
7
|
Thrust
Bushing
|
Grafoil
|
|
|
8
|
Gland
|
Same
as
Body
Materials
|
|
|
9
|
Stem
Bushing
|
Grafoil
|
|
|
10
|
O-Ring
(Cap)
|
Viton
or
HSN
|
|
|
11
|
Gasket
|
Refer
to
page
5
Gasket
Materials
|
|
|
12
|
Wrench
Bolt
|
A193
B7
|
|
|
13
|
Stud
Bolt
|
Refer
to
page
22
Bolt
&
Nut
Materials
|
|
|
14
|
Nut
|
|
|
15
|
O-Ring
(Packing)
|
Viton
or
HSN
|
|
|
16
|
O-Ring
(Retainer)
|
Viton
or
HSN
|
|
|
17
|
O-Ring
(Gland)
|
Viton
or
HSN
|
|
|
18
|
Antistatic
Device
|
316
SS
|
|
|
19
|
O-Ring
(Lower
Stem)
|
Refer
to
page
5
Seal
Materials
|
|
|
20
|
Lower
Stem
|
A
276
316
|
|
|
21
|
Lower
Cover
|
Same
as
Body
Materials
|
|
|
22
|
Lower
Cover
bolt/Nut
|
Refer
to
page
22
Bolt
&
Nut
Materials
|
|
|
23
|
Lower
Gasket
|
Grafoil
|
|
|
26
|
Coil
Spring
|
Inconel
X
750
|
*316SS
|
|
29
|
Sealant
Injection
|
Stainless
Steel
|
Stem
and
Seat
Sealant
|
|
30
|
Lower
Stem
Bushing
|
Grafoil
|
|
