QB 2.25, 5UYX, Single Inside Cartridge Mechanical Seal, Suitable for ERPN Pumps
QB 4.00, 5VIX, Single Inside Cartridge Mechanical Seal, Suitable for HPX Pumps
Flowserve Mechanical Seals
PSB54B/54F
Stationary tandem metal bellow seals
PSB54-E
Stationary single metal bellow seals
PSB21D
Double metal bellow seals
PSB21/B21
Tandem metal bellow seals
PSB21-E
Rotary single metal bellow seal
PS19B/1B
Tandem spring pusher seals
PS19B
Medium pressure single mechanical seals
PS15B/19B
Back-to-back high pressure pusher seals
PS1B/1G
Tandem gas-lubricated seals for pumps