Pressure limiters A 202

• Overpressure protection • Closing by piston valve • Adjustable • Brass or stainless steel • G ½" connections Protect gauges (or other instruments) from accidental or untimely overpressure (Usage restriction: not suitable for control duties) The principle is to shut off the pressure inlet with a piston valve. Closing occurs as soon as the set pressure is reached. When the pressure falls about 20% below the set pressure, the valve opens again and the pressure returns to the gauge.