Disc check valve 303 series

female-femalefor potable waterbrass

Sferaco 303 series brass check valve is of female/female type. An arrow provides indication for respect the flow direction. It has a nylon throttle. The double axial and lateral guidance ensures the throttle is accurately centered on the seat. The valve has low opening pressure. It has a CW617N brass body, which ensures greater mechanical strength. The SS 302 spring makes all positions possible. The NBR gasket results in outstanding low and high pressure tightness. SPECIFICATIONS ; • - Respect the flow direction indicated by the arrow • - Female / female type • - Nylon throttle • - Perfect centering of the throttle on the seat thanks to the double axial and latéral guidance • - Low opening pressure • - Better mechanical strength thanks to the brass CW617N body • - Ail positions with SS 302 spring • - Excellent low and high pressure tightness thanks to the NBR gasket USE: • - Heatmg. drinkable water. cold and hot water • - Min Température Ts : - 10°C • - MaxTemperature Ts :+ 110°C • - Max Pressure Ps : 16 bars up to DN 1*. 10 bars from 1"1/4 to 2“ and 8 bars over OPENING PRESSURE : • Opening pressure between 20 and 200 mbar RANGE : Threaded BSP cylindrical female from DN 3/8‘ to DN 4“