PS10A / PS40A Series pressure switch PS10A series is a pressure type flow detection switch, into PS10-1A (including an SPDT contacts), PS10-2A (including two SPDT contacts), in the wet, dry and pre-action system, connected to the valve on the water pipe fm alarm interface certified fire valve, the valve is opened based on the flow monitor. Only one sprinkler head movement can flow pressure switch operation. Connected to the valve at the outlet fm certified fire valves, pipeline monitoring system pressure in the pre-action system, when the pressure reducing valve Tianjin fm fire certification issued low-pressure alarm signal. Operating pressure can be between 4-20psi (0.28-1.38bar) regulation. Switch must be installed vertically. Light water alarm impeller designed with the latest technology, can emit a high-frequency, high-intensity sound. Alarm, envelopes accessories and casing made of corrosion-resistant alloys by the drive shaft without lubrication. When installing the bell placed in an envelope tightly fitting into, so no special cover or special protection. This is suitable for all types of sprinkler systems. Chongqing fm certification Fire cocks, a Anyuan electromechanical, fm certification by the Hubei Chong Fire cocks Anyuan Electrical Equipment Co., Ltd. to provide. Hubei Chong Anyuan Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) is a leader in Wuhan, fire protection equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Anyuan electromechanical leadership in creating the staff warmly welcome all inquiries negotiations to create create a better future for electromechanical Anyuan.