The Sight Flow Indicators is commonly used for visual liquid level observation. The Sight Flow Indicator is a simple and reliable device used for direct reading in atmospheric or pressurized tank applications. Available in :Full view, double window, single window with flapper, rotary wheel and in drip tube design, suitable for different type of fluids.Type of Connection : Screwed or Flanged.Available Sizes : 12 NB to 250 NB