The highly durable and long lasting PTFE vacuum seals with FKM sealing ring achieve maximum tightness and save on long-term spare parts costs. The combination of both materials allows for very good chemical resistance, while at the same time offering the best sealing properties.

• Standard PTFE spare seal (with FKM sealing ring)
• Particularly high chemical resistance
• Long running time without abrasion
• Highest density
• FDA compliant