PRESSURE CONTROLLER APPROACH SWITCH BUTTERFLY VALVE DOUBLE-CLAMP CHECK VALVE RELIEF VALVE VORTEX STREET FLOWMETER ELECTROMAGNETIC FLOWMETER FOOT SWITCH BUTTON FREQUENCY TRANSFORMER CHECK VALVE PHOTOELECTRIC SWITCH SOFT STARTER PRESSURE SWITCHES ULTRASONIC FLOWMETER INDICATOR LIGHT MASS FLOWMETER ROTARY PLUG FLOWMETER ORIFICE-PLATE FLOWMETER METAL ROTARY FLOWMETER PRESSURE TRANSMITTER DISSOLVED OXYGEN METER OVERLOAD RELAY REVERSIBLE CONTACTOR FULL SMART DIFFERENTIAL PRESSURE TRANSIMITTER FULL INTELLIGENT ABSOLUTE PRESSURE TRANSDUCER FULL INTELLIGENT PRESSURE TRANSMITTER MULTIVARIATE TRANSDUCER HIGH TEMPERATURE MODIFICATION PRESSURE TRANSMITTER BUTTON BOX PEAR-PUSH CASE CAPACITANCE CONTACTOR ELECTROMOTOR CIRCUIT BREAKER LIMIT SWITCH FLOW INDICATOR INDUCTANCE APPROACH SWITCH CAPACITANCE PROXIMITY SWITCH PHOTOELECTRIC APPROACH SWITCH STRAIGHT THROUGH BEAM SENSOR LASER SENSOR COLOR SENSOR CONTRAST SENSOR ULTRASONIC PROXIMITY SWITCH STRAIGHT THROUGH ULTRASONIC BEAM SENSOR INTERMEDIATE RELAY GLASS ROTAMETER PLASTIC ROTARY FLOWMETER PRESSURE RELIEF RELIEF VALVE BACK PRESSURE VALVE CONSTANT DIFFERENTIAL VALVE FLOAT VALVE WATER LEVEL CONTROL VALVE WATER LEVEL CONSTANT VALVE WATER HAMMER ELIMINATOR FLOW-LIMITING VALVE DELAYED CHECK VALVE SLUICE VALVE BALL TYPE CHECK VALVE ELASTIC MEMBRANE TYPE CHECK VALVE SOFT-SEALED GATE VALVE