Pneumatic V ball valve VQ640F/H, VQ647F/H working principle is that the actuator drives the stem to rotate the spool to make the valve open or close. V-openings have a sharp edge, in the v-ball rotary process, the medium has a strong cutting off force. Pneumatic ball valve is easy and convenient to switch which can be made into a large diameter. The sealing surface and spherical surface are often in a closed state, thus, its not easy to be eroded by the medium.

Product Main Dimensions

Nominal diameter: ClampDN25～250mm/FlangeDN25～500mm

Cpnnection type: clamp, flange type

Cylinder configuration: AT series、GT series、AWseries

Cylinder form: Double acting, single acting (spring reset)

Control direction: two-position cut-off (switch type), regulating type, three-stage (open degree optional)

Nominal pressure: 16、25bar (please specify when ordering higer pressure)

Gas source pressure: 4~7bar

Medium temperature: W1:-40~180℃   W2:-40~300℃ W3:-30~425℃ W4:-40~425℃

Ambient temperature Standard: -20~80℃

Valve body material: Carbon steel（C）、Stainless steel（P4、P6）

Seal material PTFE ( F ), para-polyphenylene ( PPL ), metal hard seal ( H ), hard alloy ( Y )

Product Main Dimensions