Leybold Lyophil
Gasket Kit
07017-0006 F RA 66TCBS
DN 40 INT./DN 50 VENT.

Allweiler
Mechanical Seal
030 Art# 33999
many more Seals available

VMQ
Silicone Seal
L 18,4mm - H 10,5mm
Art# 40184105-FDA

Elring
Shaft Sealing Ring
TL680583
80x100x10mm ElringKlinger

Parker
Sealring
GC 2543P5008 25,4 x 31,5 x 4,3 mm
Parker Pradifa PDF Sealring ***Green Urethane***