VSR-F type and VS-F-type flow indicator NOTE:. 1 VS-F type is without delay adjustment means wet rain flow indicator valve, to choose from. 2. This product is brand POTTER paute. Anyuan Hubei Chong Mechanical and Electrical Equipment Co., Ltd. The main products include sprinkler systems and valves, piping products and accessories, manual fire fighting equipment, fire detection / suppression systems, fire extinguishing agent 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, registered by the United States UL, FM certification test valve regular wet rain, Britain LPC certified for standard 10 # -40 # steel Hongshan wet rain valve, 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 wet rain delay adjustment valve professional action 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. Qiaokou wet rain valve, a mechanical and electrical Anyuan, wet rain Castle Anyuan valve by the Hubei Chong Electrical Equipment Co., Ltd. to provide. Qiaokou wet rain valve, a mechanical and electrical Anyuan, wet rain Castle valve Anyuan Hubei Chong Mechanical and Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) this year introduced a new upgrade, the above picture only for information, please call Tel picture on this page or to obtain the latest information, contact: Liu law.