ARMSTRONG

MECHANICAL DRAINERS FOR DISCHARGING LIQUID FROM GAS FLOWING THROUGH A PIPE, MECHANICAL DRAINERS FOR DISCHARGING WATER FROM LIGHT LIQUID FLOWING THROUGH A PIPE

STRAINERS FOR SEPARATING SOLIDS FROM LIQUID FLOWING THROUGH A PIPE, VENTS FOR DISCHARGING GAS FROM LIQUID UNDER PRESSURE, VENTS FOR DISCHARGING AIR FROM STEAM [, PURGERS IN THE NATURE OF FLOAT ACTUATED VALVES FOR REMOVING NONCONDENSABLE GASES FROM REFRIGERATING SYSTEMS, HUMIDIFIERS AND STEAM TRAPS ]