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Replacement Gaskets: All Seal Fast couplers are supplied with Buna-N as standard. This sealing compound
may not be compatible with all applications.
The gasket materials listed below comprise a general guide to aid in the selection of the correct seal for customer application. Other factors must also be considered.
Buna-N: Color code Blue. Buna-N is standard. It is generally recommended for petroleum derivatives, natural or slightly acidic salt solutions, alcohols, ethers,glycols, fats, oils, and greases. This compound should give good serviceFrom -40° to +250° F.
Neoprene: Color code Red. Recommended for alkaline and acid salt solutions and aldehydes such as formaldehyde -65°F to 250°F.
Viton A: Color code Green. Recommended for aromatics, hydrocarbons liquidchlorine, carbon disulfide and molten sulfur. Viton A is not recommended for esters or the ketone family. This compound should offer good service -40°F to 400°F.
Teflon: The standard teflon gasket is an envelope type design having a neoprene core. Teflon is recommended for highly oxidizing fluids, esters, ketones,and otherliquids not generally handled by natural and synthetic rubbers.4443 |
