Important role in air pressure switch is the ability to use its on-off control of electrical products dwyer pressure switch-off, in order to ensure that the equipment in the case of poor ventilation can promptly shut off the gas channel sor pressure switch to ensure that the gas not compromised pressure switch 609, to protect personal safety. important role in air pressure switch-off is to use its ability to control electrical appliances on and off, in order to ensure that the equipment in the case of poor exhaust gas can be turned channel, in order to ensure that the gas does not leak to protect the personal safety. AFS930.8x series of air pressure switch also called gas pressure switch, which can be used to monitor air or other non-flammable and non-corrosive other overvoltage , vacuum and differential pressure switch sor | Li gifted Litas (certified) | differential pressure switch is provided by Changzhou gifted Litas Electrical Co., Ltd. established. Changzhou Li gifted Litas Electrical Co., Ltd. (www.abc.com) is Changzhou, Jiangsu, indicator leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Li gifted Litas electromechanical leadership with the staff warmly welcome all inquiries negotiations, founded gifted Litas electromechanical a better future.