Water alarm alarm valve, dry pipe valves, hydraulic alarm deluge valve to the pipe diameter should be used ≥20mm total length should not exceed 23m (75ft) marine valves, in order to reduce pressure losses. Water alarm valve should not exceed a height of more than 6.1m (20ft). Tyco Fire Suppression and Building Products TFS & amp; BP provide fire solutions and ancillary buildings to build solutions for commercial, industrial, institutional, government agencies and homes. DN40 ~ DN200 1.72 Mpa external reset pneumatic valves, vertical or horizontal DV-5 Diaphragm type deluge valve and rain deluge valve system installed with a wide external reset function of the valve, without opening the valve hand hole, simple to patch cavity pressure valve, you can reset the deluge system or pre-action system. In addition to the membrane structure, the valve is not connected to the valve and rotating parts. The valve / external anti-corrosion coatings. When the valve is used for the deluge system, internal anti-corrosion coating can be resistant to seawater and salt corrosion. External anti-corrosion coating so that the valve can be used in a corrosive environment, industrial and outdoor installation. Stainless steel valves, electromechanical Anyuan record (certified), Inner Mongolia valve by the Hubei Chong 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.