Penberthy offers one of the industry’s most complete lines of sight flow indicators and sight windows. The FLUIDVISION product line includes ANSI, Teflon ™/ Tefzel™ lined, FM approved dual-window, armored, full-view, threaded window and low-flow gaseous models. All popular sizes and materials of construction are available with flanged, threaded, and special connections as well as rotator, flapper, drip-tube or plain indicator styles. Also includes are threaded, oblong and conventional sight windows. For more information on these products, contact us at 800-324-0093 or email us at
sales@thorcousa.com.