Window Flow Sights for Full Flow have an air-tight glass sight that allows visual observation of liquid flow, clarity, and condition.  There are no orifice restrictions on the inside of the sight, resulting in the full flow of liquid, equal to the respective pipe size. 

This flow sight is designed to be used with fluid flowing upward.  The liquid inlet is on the bottom of the unit and the outlet is at the top. 

The body is plated steel and has a brass retainer.  The port diameter is 11/16".  The glass sight has a pressure tight, solid gasket design with Buna-N seals.  This flow sight features a white polyethylene ball to visually indicate fluid movement.  The ball stays at the top of the sight when fluid is flowing up. 

This unit tolerates temperatures up to 225° F.  The maximum recommended pressure is 125 PSI.  The total height is 2 5/16” and the hex size is 13/16”.

This Flow Sight must be installed vertically.