Sight indicator
BFI series
BFI series
A mechanical flow indicator for gases or liquids where the ball is lifted from the valve seat by the fluid flow. The bouncing ball under the glass dome gives an immediate moving indication of flow. Horizontal pipe lines only.
FI series
FI series
This style is particularly suited to full bore flows, giving an indication of flow rate against a unit scale. Suitable for horizontal or vertically upward flow.
PI series
PI series
Suitable for viewing flow conditions in applications with intermittent flow, entrained air and partially filled pipes. A special version for use with steam and condensate uses borosilicate glass to ensure good long-term visibility.
SI series
SI series
This model can be mounted in any orientation and operates over a wide flow range. Suitable for clear or cloudy liquids.