电子式电动直通单双座调节阀-上海高特.doc

上海高特自动化仪表厂 调节阀样本 - PAGE 1 - ZDLN电子式电动双座调节阀 ZDL electronic type electric double-seated regulating valves 概述 General ZDLN型电子式电动直通双座调节阀采用双导向结构，配用9610L 本系列产品有标准型、波纹管密封型、夹套保温型等多种品种。产品公称压力等级有PN1.6、4.0、6.4、10MPa：公称通径范围DN25～400。适用流体温度有-200℃～+550℃、范围内多种档次。泄漏量标准为ll级或Ⅲ级。流量特性为线性或等百分比。多种多样的品种规格可供选择。 ZDLN electronic type electric straight-way double-seated regulating valves have been designed with a double-guide structure and used with 9610L electronic liner electric actuators. It features compact structure, low weight, flexible action, high capacity, high accuracy flow characteristics, easy assembly and disassembly. It’s widely used for the accurate control over process parameters including pressure, flow, temperature and fluid level (Keep at the given value) for the mediums of gases, liquid and steam, especially in the applications of high differential pressure, large allowable leakage and unclean mediums. This serials product includes standard, bellow seal and jacket types, and covers the range of nominal pressure PN1.6, 4.0, 6.4 and 10MPa, nominal size DN25～400. It presents the applicable fluid temperature -200℃～+550℃(Several levels are included in the range) , leakage class ll or 产品应用规范 Applied standards 设计制造:JB/T7387、IEC60534 法兰尺寸：JB/T79-94、HG20592、ASNIB16.5、JISB2212-2214 结构长度：GB/T12221、ANSI B16.10、JIS B2002 Design and manufacture: JB/T7387, IEC60534 Flange dimensions： JB/T79-94， HG20592，ASNIB16.5，JISB2212-2214 Face-to-face dimensions: GB/T12221, ANSI B16.10, JIS B2002 结构特点 Structure features ZDLN型电子式电动双座调节阀是自动化控制系统中仪表的执行单元，以AC220V电源电压作动力，接受来自DCS、PLC系统或调节仪表、操作器等输入的（4-20mA、0-10mA或1-5VDC）电流信号或电压信号，即可控制运转，采用机电一体化结构，具有机内伺服操作和开度信号位置反馈、位置指示、手动操作等功能，功能强、性能可靠、连线简单、调节精度高，以直行程输出的推力改变阀门开度位移，达到对流体介质的工艺参数精确调节控制。 ZDLN electronic type electric double-seated regulating valves, the execution units for the instruments in an automatic control system, can be operated with supply voltage AC220V and by receiving the current or v