JLQ 系列罗茨气体流量计 JLQ SERIES ROOTS GAS METER 天 津 市 第 五 机 床 厂 TIANJIN CHINA NO.5 MACHINE TOOL W ORKS 津制00000161 号 使用说明书 M A N U A L 1 前 言 感谢您使用天津第五机床厂提供的罗茨气体流量计系列产品。 为保证您正确使用、安装和维护我厂的精密计量设备,使用前请务必仔细阅读此用户手册。 在未声明之前,本公司有权根据技术发展的需要,对本手册进行修改。 PREFACE Thanking y ou for u sing series produ cts of Roots Gas Meter offered by Tianjin China NO.5 Machine Tool Works. To ensu re y ou r correct u se, installation and maintenance of the sophisticated metering equ ipment, y ou mu st carefu lly read the u ser manu al. Before the statement, ou r company keep the right to modify this manu al according to the dev elopment of technology . 2 概 述 JLQ 系列罗茨气体流量计,是计量流经管道中气体流量的容积式仪表。具有工作压力范围大、流量量程宽、精度高、体积小、重量轻、安装维修方便、使用可靠等特点,同时对流通介质的适应性强,可广泛应用于天然气、煤制气、惰性气体、空气等气体的流量计量,是国内外城市燃气、油田化工、科学研究等部门理想的流量计量装置。在企业的现代化管理、经济核算及节约能源等方面起着重要作用。流量计标准型主要由测量和积算两大部分组成,能就地指示累计流量,可根据需要配置温压补偿积算仪和各种接口关系,以满足用户不同的使用要求。 ABSTRACT The JLQ series Roots Gas Meter of model A is a capacity type instrument to calculate the flow through the piping. It has many characteristics such as big range of the pressure, broad span of rate, high accuracy, small volume,light weight, convenience of maintaining and use credibility. Meanwhile, it has a strong adaptability to current media and can be used in calculating natural gas, inert gases, air and so on. It is an ideal equipment for sections of city combustion gas, oil-field chemical engineering and scientific research in domes...