DURCO & DESIGN

Plumbing and steam-fitting supplies--namely, jets, metal pipes, pipe fittings, nozzles, tubes for use in distilling and concentrating apparatus, fume ducts, and traps all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications; Castings of ferrous alloys and wrought sheets and bars of such alloys all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.

Pumps and parts thereof, steam ejectors, factory equipment-namely, agitators, filtermass washers, filtermass breakers, filtermass presses, pitching machines for kegs and barrels, keg washers, beer blending apparatus, barrel filling machines, and carbonating apparatus all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications; laboratory equipment, namely-tanks, sinks, all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Drain cocks, fluid control valves , ejectors, electroplating equipment, all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Fabrications made of polytetrafluoroethylene, namely bearings, bearing pads, tubes, packings, piston rings, seals, spargers, all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Heat exchangers for heating and cooling liquids all in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.

Batteries and parts thereof and anodes, all such parts being intended to be used in contact with corrosive liquids or in corrosive atmosphere all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Laboratory equipment-namely, agitators, condensers, denitrating equipment, distilling apparatus, filters, bleaching equipment, kettles, kjeldahl digestion apparatus, acid reconditioning apparatus, thermometer wells, concentrating towers, and wet washing equipment, all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Anodes in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.

Pressure leaf filters, liquid filters, air and gas filters, and slurry filters, surface, double-pipe, and multi-pipe beer coolers employing liquid coolants, all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Factory equipment-namely, distilling apparatus, kjeldahl digestion apparatus, concentrating towers, filter sterilizing apparatus all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications; Laboratory equipment-namely, evaporators, all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Sinks, sink strainers, floor drains all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.; Exhaust fans, including electrically operated exhaust fans all in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.

Gaskets and moldings made of polytetrafluoroethylene, fabrications made of polytetrafluoroethylene, namely, electronic insulators, gaskets, all of the foregoing in the nature of industrial machinery and not for use in domestic or shipping plumbing applications.