ISTEC Corporation introduces FlowGuard, a new balancing valve. Watch the flow rate change as you adjust it with an allen key. The balancing valve is used to adjust the flow rate and the flow indicator is used for verification. Available in 3/4", 1" and 1-1/4" pipe sizes. Equipped with union connections for ease of installation, can be installed vertically or horizontally, with the flow indicator up or down. Flow indicator can be rotated 360° so that momentary flow rate can be conveniently read. ISTEC Corporation Card No. 204