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 Tapered Profile 
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Cross-Section | Height | Width | Expansion | Standard Materials | 
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 0.25 0.31 0.394 0.450 1/2 0.71 0.74 0.75 5/8 0.75 0.827 1.00 1.00 1 7/8 1 7/8  | 
 0.250 0.39 0.551 0.570 5/8 0.83 0.79 0.87 1.00 1.00 1.06 1.25 1.50 2.00 2.00  | 
 0.05 1/16 1/16 1/16 1/16 1/8 5/32 1/4 1/4 3/8 1/4 1/8 5/16 1/2 1/2  | 
 EPDM, NE, NI EPDM SILICONE SILICONE EPDM, NI, SILICONE EPDM SILICONE SILICONE SILICONE SILICONE SILICONE SILICONE SILICONE EPDM SILICONE  | 
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 Square Profile 
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 Cross-Section 
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 Height 
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 Width 
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 Expansion 
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 Standard Materials 
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 .669 .84 1.19 .75 1.25 
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 .87 1 3/16 1.19 1.0 1.37  | 
 1/8 1/4 1/4 1/8 3/8  | 
 NE EPDM, SILICONE EPDM EPDM, SILICONE NITRILE, EPDM, SILICONE 
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Notes: All Seals are available in FKM, Silicone, Ni, EPDM, NE, Butyl, Low outgassing EPDM:
Setups may apply
Expansion can change depending on internal pressure. Consult DRI
NI – Nitrile
NE – Neoproene
SI – Silicone