Description
F400B – Parker F Series “Colorflow” 1/4″Nptf Brass Flow Control Valve
General Description
Series F flow control valves provide precise control of flow and shut-off in one direction, and automatically permit full flow in the opposite direction.
A two-step needle allows fine adjustment at low flow by using the first three turns of the adjusting knob. The next three turns open the valve to full flow, and also provide standard throttling adjustments.
• The exclusive “Colorflow” color-band reference scale on the valve stem is a great convenience and time-saver in setting the valve originally and in returning it to any previous setting.
• A simple set screw locks the valve on any desired setting.
• A tamperproof option (T) feature is also available to prevent accidental or intentional adjustment of flow setting.
