波霸爆乳一区二区国产_欧美日韩精品一区二三区在线_a 级国产理论片在线观看_欧美亚洲日本三级看_欧美成人午夜理论片在线观看_国产日韩A∨大片一区二区_第一福利永久视频精品_三级片自拍视频_中文字幕1级在线_国产精品亚洲а∨天堂免下载

Electric V ball valve, ball core V shape, can achieve linear adjustment, adjustable range.When the valve is closed, the v-notch and the seat produce wedge-shaped shear action, which not only has the self-cleaning function but also can prevent the ball core from sticking, especially suitable for pipeline scaling and freezing occasions.Suitable for the control of pulp, sewage, containing fiber and particulate solid suspension medium and powdery particulate medium.

Product model: VQ947HH
Material of valve body: WCB, 304, 316
Spool material: WCB, 304, 316
Seat material: PTFE, PPL, alloy +STL
Connection mode: clamping, flange type
Flange standard: GB, ANSI, DIN, JIS
Pressure class: PN1.6~ 4.0mpa
Structural form: fixed V ball core
Electric actuator: switch type, regulator type, explosion proof type