国内精品福利丝袜视频|91国在线啪精品一区|自拍区图片区小说区激情|亚洲成AV人片在线观看|囯产精品久久久久久久久久|大学生一一级毛片在线播放|久久成年片色大黄全免费网站|亚洲欧美日韩在线精品2021

application

   SG/WT series control valve is developed for small flow system, used for precise control of small flow, suitable for aerospace engineering, research institutions, test workshops, etc., to precisely control in electric power, chemical, pharmaceutical, food, water treatment, etc. field.

Technical Parameters

◆Specifications: DN4~DN8

◆Connection method: welding, clamp

◆Maximum working pressure: ≤8bar

◆Working temperature: -10 ° C to 120 ° C

◆Contact with material: SS304/SS316L

◆Internal surface contact product: Ra≤0.8μm

◆Sealing: Polytetrafluoroethylene (PTFE)

◆Power / Signal: DC 24V/4-20mA

working principle

The valve opening percentage is controlled by feeding a 4-20 mA signal, and different KV values are generated for different signal values.