BXV

APPARATUS AND INSTALLATIONS FOR HEAT PUMPS, REFRIGERATION, COOLING, FREEZING, AIR-CONDITIONING, VENTILATING, AND DRYING, SOLD AS UNITS, COMPRISED OF: EVAPORATORS, CONDENSERS, HEAT EXCHANGERS, SIGHT GLASS ARMATURE, FILTERS, ELECTRONIC FLOW-CONTROLLERS, SELF-REGULATING FLOW CONTROLLERS, EJECTOR-PUMPS, CHECK VALVES, THROTTLE VALVES, FLOW CONTROL VALVES, DISC VALVES, ON/OFF VALVES, BYPASS VALVES, PADDLE VALVES, SHOE VALVES, BY-PASS VALVES, CONTROL VALVES, BALL VALVES, PRESSURE EQUALIZING VALVES, ROTARY VALVES, AIR VALVES, BUTTERFLY VALVES, NON-RETURN VALVES, EXPANSION VALVES, THERMOSTATIC EXPANSION VALVES, ELECTRONIC OPERATED VALVES, PNEUMATICALLY OPERATED VALVES, SERVO OPERATED VALVES, PRESSURE EQUALIZING VALVES, FOOT VALVES, CONTROL VALVES, BALL VALVES, FLUID MIXING VALVES, ROTARY VALVES, AIR VALVES