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MATERIAL
CODE
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MATERIAL TYPE
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F
Finger
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C
Canted or Elastomeric
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H
Helical or Elastomeric
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R
Ribbon
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U
Full Contact
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L
Lathe-Cut
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B
Belleville
|
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A1
|
301 CRES
|
STANDARD
|
|
|
STANDARD
|
STANDARD
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OPTIONAL
|
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A2
|
302 CRES
|
|
STANDARD
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|
|
|
|
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A4
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304 CRES
|
OPTIONAL
|
|
OPTIONAL
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|
|
|
OPTIONAL
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A6
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316 CRES
|
OPTIONAL
|
OPTIONAL
|
OPTIONAL
|
|
|
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OPTIONAL
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A7
|
17-7 PH® CRES
|
|
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STANDARD
|
|
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STANDARD
|
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CN
|
Cobalt Nickel like Elgiloy®
|
OPTIONAL
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OPTIONAL
|
|
OPTIONAL
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|
OPTIONAL
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EL
|
Elgiloy®
|
OPTIONAL
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|
OPTIONAL
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|
|
OPTIONAL
|
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HC
|
Hastelloy® C-276
|
OPTIONAL
|
OPTIONAL
|
OPTIONAL
|
OPTIONAL
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|
|
OPTIONAL
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IN
|
Inconel® 718
|
OPTIONAL
|
OPTIONAL
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|
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STANDARD*
|
OPTIONAL
|
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X7
|
Inconel®
X-750
|
|
OPTIONAL
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|
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MP
|
MP35N®
|
|
OPTIONAL
|
|
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TN
|
Titanium
|
OPTIONAL
|
OPTIONAL
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AB
|
Buna-N Industrial
|
|
OPTIONAL
|
OPTIONAL
|
|
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GB
|
Buna-N Military
|
|
OPTIONAL
|
OPTIONAL
|
|
|
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NE
|
Neoprene
|
|
OPTIONAL
|
OPTIONAL
|
|
|
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BU
|
Butyl
|
|
OPTIONAL
|
OPTIONAL
|
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EP
|
Ethylene Propylene
|
|
OPTIONAL
|
OPTIONAL
|
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MV
|
Viton® Military
|
|
OPTIONAL
|
OPTIONAL
|
|
|
|
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CV
|
Viton® Industrial
|
|
OPTIONAL
|
OPTIONAL
|
|
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DE
|
Silicone
|
|
OPTIONAL
|
OPTIONAL
|
|
|
|
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FL
|
Fluoro-Silicone
|
|
OPTIONAL
|
OPTIONAL
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*Should Inconel 718 not be suitable for an 'L' series application, another
alloy can be supplied. PSI technical personnel should be contacted in that
event.
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Notes:
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1)
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Finger Spring (F) style seals are available with
non-welded (rosette) type springs in outer diameter sizes up to one inch.
The standard material for this spring is 301 CRES. To specify the rosette
spring, add suffix R to the spring material call-out in the seal part
number. Examples: FM-006-01-A1R, FA-012-02-A1R, FF-020-03-A1R,
etc.
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2)
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Other elastomeric spring materials will be supplied upon
request.
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3)
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CRES means corrosion resistant steel.
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17-7 PH is a registered designation of Armco
Steel Corporation; Hastelloy is a registered trade name of Haynes
International, Inc.; Elgiloy is a registered trade name of Elgiloy Limited
Partnership; Inconel is a registered trade name of Inco Alloys International,
Inc.; MP35N is a registered trade designation of SPS Technology; Viton is a
registered trade name of E. I. DuPont de Nemours & Company, Inc.
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