Flow Indicator
By Bel Art Products
Provides immediate visual indication of water/liquid flow. The minimum flow rate to actuate the ball with water is 50mL per minute in a horizontal position and 140mL per minute in a vertical position. With air, the minimum flow rate is 3L per minute in a horizontal position and 8L per minute in a vertical position. Maximum working pressure is 10 p.s.i.g. (69 kN/m2). The polycarbonate indicator measures 39 x 57mm (11/2 x 21/5") with two 23mm (.09") long tube extensions to accept 6.4mm (1/4") to 9.5mm (3/8") I.D. tubing. An arrow shows direction of flow. Clear polycarbonate.