Professor Foam improved shut off Valves will outlast all others
Field of application O rings
and withstands water washout and spray off
can be applied by various methods
including Viton
O-Ring Depot Seal Kit Compatible for Aurora Pump 4760278644 / EPR for Glycol purge Professor Foam improved shut offContains EPR o rings and Ceramic seal. Includes screw, washer, impeller key and lube. Also available with NiResist Seal or Ceramic Seal and Buna elastomers. Also available with Viton FKM for use with harsher chemicals and temps up to 440 F. Fits Series BF 320, 320 BF AI, 326A BF AI. Models 321 Size 4", 5", 6", 7", 9"; 323 Size 4", 5", 6", 7", 9"; 324A Size 4", 5", 6", 7"; 326A Models B, C & D Size 6"; 326A Models F, G & H Size 7"; 326A Models I, J & K