• Special seals, designed for installation in Bornemann screw pumps
• No pump modification required
• Pump model or seal factory number is sufficient for the order

Seal faces materials:

• carbon-graphite (A, B)
• tungsten carbide (U3)
• silicon carbide (Q1, Q2)
• special chrome-molybdenum steel (S)

Elastomers:

• fluoroelastomer, FKM (V)
• nitrile rubber (P)
• ethylene propylene rubber, EPDM (E)
• perfluoroelastomer, FFKM (e.g. Kalrez®)
• fluoroelastomer with fluoroplastic (FEP) coating

Springs:

• X12CrNi17.7

Other metal parts:

• Stainless steel

For pumps: Bornemann SLH series