Ready fitted cartridge seals

COM cartridge mechanical seals for reliable operation and fast and easy maintenance

COM1, COM1Q and COM2 cartridge mechanical seals are designed for the seal chamber of the standard gland packing casing cover and for the standard shaft of different pump types like Ahlström KEST, Serlachius DE and Mako KPM.

COM1 cartridge mechanical seals
  • The cartridge seal forms one solid unit having its own sleeve, fixing flange, seal faces, springs and all necessary O-rings, gaskets and fixing crews.
  • The seal is fixed into the casing cover by studs and nuts utilizing fixing slots (4x90°) on the seal flange. The shaft sleeve with the rotating sliding rings is fixed on the shaft by the impeller.
Technical Specifications Material Alternatives
COM1 COM1Q COM2
P max 16 bar / 232 psi 16 bar / 232 psi 16 bar / 232 psi
V max

25 m/s / 82 ft/s

25 m/s / 82 ft/s  25 m/s / 82 ft/s

T max

125°C / 257°F

140°C / 284°F up to 180°C / 355°F
Seal faces
SiC/SiC, C/SiC SiC/SiC-SiC/SiC SiC/SiC-C/SiC SiC/SiC-SiC/SiC SiC/SiC-C/SiC
O-rings
EPDM, FKM EPDM, FKM EPDM, FKM
Other parts
AISI 316, AISI 329 AISI 316, AISI 329 AISI 316, AISI 329
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