13 FLOW CONTROL VALVES, PRESSURE RELEASE VALVES, STEAM TRAPS AND PIPE STRAINERS, ALL BEING PARTS OF MACHINES, BUT NOT INCLUDING ROTARY AIR AND GAS COMPRESSORS AND PUMPS AND NOZZLE ELEMENTS FOR GAS PRESSURE REGULATORS
26 THERMOSTATIC CONTROL VALVES FOR LIQUIDS AND GASES
31 FILTERS FOR REMOVING CONDENSATE OR LIQUIDS AND AIR FROM STEAM LINES OR STEAM HEATED MACHINES, FOR REMOVING LIQUIDS FROM COMPRESSED AIR LINES, FOR STRAINING FLUIDS IN PIPE LINES AND FOR INSPECTING FLUIDS IN PIPE LINES