GOTEC Oscillating Piston Pumps General Principle Of Opration DESCRIPTION The piston (5) is moved by the electromagnetic field generated by the single wave diode rectified current flowing through the coil (4). Each current pulse moves the piston against the pressure spring (3). This move-ment by reducing the volume in the suction chamber, opens the valve (6) set in the piston to let the liquid run into the pressure side. When the current pulse dies the pressure spring pushes back the piston toward the pressure side. The increase of pressure closes the piston valve and the liquid flows through the valve (7) set in the pressure connection (8) and into the pressure pipe. This movement creates a low pressure in the suction chamber which opens the valve (2) set in the suction connection (1). The liquid is sucked into the pump and the cycle starts again, 60 times per second (at 60 Hz). The piston size and the length of its displacement define the flow rate. The pressure limits itself automati-cally. The pump will run without damage when the liquid flow is stopped momentarily. The pumps are typically powered with 120 VAC or 24 VAC 50/60 HZ. Alternatively, for flow control, pulse width and frequency modulation drive circuits can be used. Precision components, piston and bushings, guarantee minimum wear and long life. By offering many com-binations of materials, our pumps will handle a broad range of media and temperatures. TYPICAL APPLICATIONS Air Conditioning Systems, Fuel Oil Transfer, Boiler Cleaning, Water Cleaning Equipment, Carpet Cleaning Equipment, Heat Treatment Equipment, Accumulators, Vending Machines (for soft drinks), Analytical Chemical Analyzers, Diagnostic Systems, Plotting Systems, Technical Equipment Clark Solutions 10 Brent Drive 镕 Hudson, MA 01749 Tel. 978 / 568 3400 Օ Fax 978 / 568 0060