Edwards BX70 Bakeout Band for EXT70 Series Turbomolecular pumps, 220-240V 50/60Hz Edwards Part Number B58052060This Edwards BX70 Bakeout Band fits Fits EXT70 Model Turbo Pumps and will help increase the rate of degassing of the the turbo pump body, resulting in faster pump down time and lower ultimate pressure. A bakeout band may also help to protect corossive model pumps from contaminant condensation.

Edwards WCX 500 Water Cooler Kit For Edwards EXT Turbo Molecular Vacuum Pumps Edwards Part Number B73600121 These Edwards WCX 500 water cooler kits connect to Edwards EXT EXT70, EXT70H/70Hi, EXT75DX/75iDX, EXT250/250H/250Hi, EXT255DX/255iDX/255H, EXT351/501 Turbo Molecular High Vacuum Pumps. They are to be mounted to the side of the turbo pump (See far right graphic above) Two riffled nozzle connectors are mounted into the water cooling block. These connectors accept 6 mm ID plastic tubing (not supplied) for the water supply lines. If you want to remove the pump for maintenance, and you do not want to break the cooling-water circuit, unscrew the fixing-screws and remove the water-cooler from the pump. Pipes in the water-cooling circuit may become blocked if the cooling-water contains too much calcium carbonate or if it contains particles that are too large. Corrosion of the water-cooling circuit may occur if there is too little calcium carbonate and oxygen in the water. Good quality drinking water is usually suitable. If in doubt, check the quality of your cooling-water supply and, if necessary, provide treatment and filtration. The EXT turbomolecular vacuum pump user’s manual and EXT pump accessories manual is available for download in PDF format below.

Edwards EXT 70 Turbo Molecular Pump Rebuild and Repair Kit These rebuild and repair kit are for the Edwards EXT 70 turbo molecular vacuum pump series, including the Edwards EXT 70, Edwards EXT 70H and Edwards EXT 70 conflat models. The kit includes dust seals, O-rings, bearings, and gaskets as shown above.