Venturi tube flowmeter flow meter is used to test fire pump flow and performance. When the flowmeter to line electric valves, flow meters around the minimum length of straight pipe access requirements, see below. Meter maximum range = 2 × required to measure the maximum range value Note: This product brand GERAND. Hubei Chong Mechanical and Electrical Equipment Co., Ltd. Anyuan virtue of NFPA norms and deep understanding of FM standard valve model, adhering to customer service for the origin and the pursuit of continuous innovation and improvement of its own after years of rapid development has become FM / UL certification of fire products in the field of the most active and most efficient supply service providers. ACC-1 dry-type valve quick opening device, the external reset ACC-1 dry-type valve quick opening device (hereinafter referred to as accelerator) is the DPV-1 Dry Type Valve (2-1 / 2 "3" 4 "6" ) supporting devices. ACC-1 Accelerator dry-type valve can be shortened from the nozzle (or only one) action to dry valve operation time. Hankou create Anyuan electromechanical valve _ _ Anyuan Industrial valves by the Hubei Chong Electrical Equipment Co., Ltd. to provide. Hankou create Anyuan electromechanical valve _ _ industrial valves Anyuan Hubei Chong Mechanical and Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) this year introduced a new upgrade, the above picture is for reference only, please dial this page or on the telephone picture to obtain the latest information, contact: Liu law.