The VSR-F type water means containing two SPDT switch Wuhan wet rain delay adjustment valve, the operating time is adjustable valves regular wet rain, for positive and negative direction knob to adjust the delay can be rotated. When 37.8 l / min flow rate or flow exceeds this value the impact of this indicator pulp films, paddle to deflect the flow direction, delay starts timing, and so on arrival time delay setting, paddle still biased When one side is unable to return in situ wet rain valve, flow indicator output signal immediately. VSR-F type and VS-F-type flow indicator VSR-F and VS-F type is used for wet sprinkler systems paddle type flow indicator, via the United States UL registered Wuchang wet rain valve, FM inspection and certification, British LPC certified for standard 10 # -40 # steel, specifications for 50mm to 200mm. The device can also be used for large systems split device switch. The VSR-F type water means containing two SPDT switch delay adjustment, the operating time is adjustable knob to adjust the delay for the positive and negative direction of rotation can be. When 37.8 l / min flow rate or flow exceeds this value the impact of this indicator pulp films, paddle to deflect the flow direction, delay starts timing, and so on arrival time delay setting, paddle still biased when one side can not go back down, water flow indicator output signal immediately. NOTE:. 1 VS-F type is without delay adjustment means flow indicator, to choose from. 2. This product is brand POTTER paute. Wet valves regular rain, rain wet Hongshan valve, a mechanical and electrical Anyuan Anyuan by the Hubei Chong Electrical Equipment Co., Ltd. to provide. Hubei Chong Anyuan Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) strong, credible, in Wuhan, Hubei fire equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead electromechanical create Anyuan into the brilliant and you work for a better future!