|
Standard
Materials
Of Construction
|
 |
| Body
and Plug 1 |
As
Specified |
| Cover
2 |
Ductile
Iron, Carbon Steel, 304 SS |
| Cover
Bolts 2 |
Steel,
304 SS |
| Adjusting
Bolts |
304
SS |
| Thrust
Washer |
304
SS |
| Metal
Diaphragm
3 |
304
SS, Monel |
| Delta
Ring |
PTFE
Fluorocarbon |
| Diaphragm |
PTFE
Fluorocarbon |
| Sleeve
4 |
PTFE
Fluorocarbon |
| Wrench
Operator 5 |
Ductile
Iron |
| Wrench
Bolt 5 |
Steel |
| Gear
Assembly |
Steel
(Cast Iron or Aluminum Housing) |
| Gear
Adapter 5 |
Steel |
| Gear
Mounting Bracket 5 |
Steel |
| Mounting
Bracket Bolts 5 |
Steel |
|
|
(1) See "Technical
Data" for material selections.
Ductile Iron plugs will be supplied with WCB bodies unless otherwise
specified. |
| (2)
Cover and
bolt materials of standard valves will be supplied in accordance
with the following table: |
|
|
SPECIFIED BODY MATERIAL |
COVER MATERIAL |
COVER BOLT MATERIAL |
|
Ductile Iron
Carbon Steel
All other materials |
Ductile Iron
Carbon Steel
CF 8 |
ASTM A-193 GR.B7
ASTM A-193 GR.B7
ASTM A-193 GR.B8 |
|
| (3) Monel metal
diaphragms will be supplied with valves having a monel or nickel
body or plug. All others will be supplied with 304 SS diaphragms. |
| (4)
RTFE, GF2P, PEEK, high temperature Teflon, PFA Fluorocarbon and UHMWP sleeves are available on special
order. |
| (5)
304 SS Available
on special order. |
|
|
|
|
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