LESLIE

TEMPERATURE-CONTROLLED VALVES, SELF-OPERATED BY BELLOWS, OR DIAPHRAGM OPERATED; PRESSURE OPERATED AND THERMOSTATICALLY OPERATED VALVES, OPERATED BY DIAPHRAGM FOR CONTROLLING AUXILIARY FLUID, SUCH AS AIR, GAS, WATER, OR OIL FOR OPERATION OF DIAPHRAGM OR PISTON SERVO-MOTORS IN RESPONSE TO PRESSURE, DIFFERENTIAL PRESSURE, PUMP DISCHARGE PRESSURE LEVEL, TEMPERATURE CHANGES, ETC., PRESSURE INDICATORS, MANUALLY CONTROLLED VALVES AND CONTROL PANELS THEREFOR SOLD AS A UNIT