Shop Home / Shop View cart “Grundfos CH2 – CH4 30 985164 CVBE/V 10 x Gaskets Included” has been added to your cart. Cartridge Mechanical Seals (13) Double Mechanical Seals (5) John Crane (16) Mechanical Seals General (150) Single Spring Mechanical Seals (54) Expanded PTFE Joint Sealant (9) Gland & Stuffing Box Packing (27) Cyclone Separators (2)