Disc check valve 311 series

femalestainless steelbrass

The 311 series engineered by Sferaco, is a check valve strainer that features a stainless steel construction with a BSP threaded nylon throttle. Its body is composed of brass while its gasket is created with NBR. It provides an enhanced mechanical strength and better tightness for high and low pressure applications respectively. Moreover, this tool consists of a mesh 1.2 having a nominal diameter of up to DN 2. This Sferaco check valve strainer is equipped with a double axial and lateral guide for improved centering of the throttle on the seat. It also has a cylindrical internal design for weak head loss. 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“