Orion pressure switches are now available in 15 mmwg to 2500 mmwg low pressure ranges which are reliable, compact and low cost. These low pressure switches are applicable to sense flow of gases, air and liquid level regulation and for variety of working media by selecting appropriate wetted parts. These low presure switches are available with spdt snap action micro switch rated at 2 a, 250 v ac as the electrical switching element for reliable changeover. These low pressure switches have applications to prevent burnout of heating elements due to insufficient airflow, to single irregularity in flow of air in natural/forced/induced draft boilers, exhaust fans and ventilating systems, instrument cabinets, air curtains, clean rooms, food processing and grain drying, to signal fan failure in exhaust/blower systems, to monitor airflow in drying ovens and kilns and to regulate liquid level in tanks open to atmosphere. The company supplies pressure switches in various higher ranges from 0.1 bars to 400 bar.