产品型号：D71J/371J

接方式 Type of connection:中心型对夹式Centric wafer type

公称通径Nominal diameter：DN40-DN1200mm

公称压力Nominal pressure：PN0.6～PN1.6MPa

适用介质Applicable medium:淡水、海水、空气、t≤70℃的原油、成品油。汽油及70℃≤t ＜170℃的介质，只能用氟橡胶阀座圈。Fresh water,sea water,air crude oil witht≤70℃,product oil gasoline,and other medium with 70℃≤t ＜170℃,Only fluororubber seat ring can beused.

适用温度Applicable temperature：-23～121℃ 驱动方式Drive mode：手动、蜗轮、气动、电动、螺旋式,双缸液动式，液手动式 Handle type worm gear type;electrically operated,spiral type;double cylinder hydraulic type;Manual-hydraulic type

特点Features 1、小型轻便，容易拆装及维修，并可在任意位置安装。 2、结构简单，紧凑，90°回转启闭迅速。

3、操作扭矩小，省力轻巧。

4、流量特性趋于直线，调节性能好。

5、启闭试验次数多达数万次，寿命长。

6、达到完全密封，气体试验泄漏为零。

7、选择不同零部件材质，可适用多种介质。 1、Small in size and light in weight. Easy instllation and mintenance.

Lt canbe mounted wherever nedded.

2、Siple and compact construction, quick 90 degrees on-off operation

3、Miniminzed operation torque, energy saving

4、Flow curve tendina to straightline.Excellent regulation performance.

5、Long service life. Standing the test of tens of thousands opening/closing operations.

6、Bubbles-tight sealing with no leakage under the pressure test.

7、Wide selection of materials applicable for various mdeium.