V-Cone flowmeter is a coaxial installed in the measuring tube tip cone for cutting pieces of the new differential pressure flow measurement devices, it is based on the Venturi tube measuring principle, and set of classical Venturi tube, the ring orifice plates and wear-resistant orifice advantage of one of the new throttling device. Structure diagram in Figure (40) 
 Conditions of use: beta: 0.45 ~ 0.85; the DN: 15 ~ 1200mm; PN: 0.25 ~ 20MPa; ReD: 5 × 103 1 × 107 
 V cone flowmeter using a special structure, it has the following characteristics: 
 1, the downstream straight pipe requirement is shorter: the length of upstream straight pipe 0D ~ 3D (downstream of the valve installation requirements for 3D), the downstream straight pipe length 0D ~ 1D. 
 (2) accuracy: ± 0.5%; repeatability is 0.1%; turndown ratio of 15:1. 
 Resistant to dirt, the pressure loss is small. 
 With the adjustment of flow and fluid mixing. 
 Easy to install - is the transformation of the ideal flowmeter; 
 (6) maintenance free or maintenance workload is small. 
 Henan Airlines Traffic Instrument Co., Ltd. 
 Address: Grace Avenue, Xinxiang City, Henan Province, the western part of high-Bay northbound 
 Tel: 0373-2678866 26,788,772,678,778 26,780,882,677,766 
 Fax: 0373-2678899 
 Post Code: 453 003 
 E - mail: hnxhyb@163.com 
 Web site: http://www.hnxhyb.com 
 http://www.hnxhyb.com.cn 
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 MSN: jeany2012@hotmail.com