国产精品久久久久不卡_欧美中文字幕一区二区三区亚洲_91在线精品观看_国产性70yerg老太_国产精品一区二区久久久久_欧美成人精品欧美一_欧美在线亚洲在线_蜜桃传媒一区二区亚洲av_亚洲欧美日韩爽爽影院_国产高清不卡无码视频

Self-operated temperature control valve does not need external energy saving control valve for the temperature control of all kinds of heaters for non-corrosive gas and steam.Use bellows + spring as pressure balance parts, high sensitivity, low noise, reliable performance.

Product Model: ZZWP
Material of valve body: WCB, 304, 316, 316L
Spool material: WCB, 304, 316, 316L
Connection: Flange, thread, welding
Pressure grade: PN16, PN25, PN40
Spool type: fluid pressure balance spool
Temperature range: 35℃~110℃
Action mode: heating type, cooling type
Larger temperature: cast iron: 180℃;Cast steel: 350 ℃