Flow indicators
Window indicator
Circular sight glass, for bolting or welding to tanks, vessels or pipes to allow viewing of the contents. This model is designed to provide a window for viewing the contents of a vessel or tank. Normally these are welded to the tank, but can be supplied suitable for bolting to a vessel or a pipe flange if required.
Tube flow indicator
The tube indicator allows a 360 deg visual indication of the flow and contents in the pipes. It has a plain straight through borosilicate glass tube with stainless steel flanged ends and is used to check for the presence of a liquid where there is intermittent flow, partially filled lines or entrained air.
Plain indicator
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. It can be used in vertical or horizontal lines.
Flap indicator
The flap indicates flow on an easy to read scale. It is for use with liquids or steam. It is particularly suited for applications with low flow as the flow must move the flap to pass through the meter. It is ideal as a plant safety device where you need to maintain a constant flow, for example in lubricating or cooling systems.
Paddle wheel indicator
Flow indicators with a highly visible PTFE paddlewheel to indicate the flow of liquids in the line. Suitable for clear and cloudy liquids. It can be used in vertical or horizontal lines and is ideal for flow monitoring in full pipes.
Spinner flow indicator
The bright yellow spinner can be seen in the glass dome when there is flow. The Spinner flow indicator is a single sided indicator. The spinner starts to rotate when flow starts. The design offers low pressure losses and is suitable for installation in both horizontal and vertical pipework.
Ball flow indicator
The ball flow indicator is a single sided indicator. The white PTFE ball rises when there is flow of liquids or gasses and is clearly visible from a distance. Suitable for applications where a constant flow is required, such as cooling lines or for showing the presence of condensate in steam return lines.