OVERSTRØMNINGSVENTIL 3/4" LIGE

Solar Plus overstrømningsventil 3/4" lige USV overstrømningsventil er en selvvirkende reguleringsventil til varmeanlæg. USV ventilen anvendes til at opretholde en minimum gennemstrømning i anlægget. Indstillingsområde 0,2 - 0,6 bar. Max tryk 10 bar. Max temperatur 110 grader. Fremstillet i messing CW617 Relief valve for systems with automatic or manual shut-off elements on the radiators (thermostatic valves, two-way zone valves). Female inlet connections, Male union outlet. Body and cap of brass CW617N. Adjustment : Position “0” = Fully open - Position “7” = Close to closing ?p =0.5 bar Plastic knob. Max operating pressure : 6 bar. Overpressure : 10 - 15%. Max operating temperature : 110°C By-pass valve series USVR can be set in this way: • Thighten blocking screw (1) (see overall dimensions). • Set the USVR valve at the differential opening pressure ?P by turning regulation knob (2) (see overall dimensions). The differential opening pressure DP shall exceed the user circuit load loss at rated discharge by approximately 20% in order that avoid valve opening be prevented. When the user circuits is completely closed, the USVR valve shall be fully open. • Turn regulation knob anticlockwise untilscale (3) (see overall dimensions) indicates zero. Then proceed, turning clockwise, to calibration setting at the number required. Each number from 0-7 revers to an USVR16 - USVR20 USVR25 - USVR32. • Once the correct setting is established, it can be fixed with the locking screw of the handwheel