Rated pressure ： PN 25 in accordance with ISO 7268
nominal size :DN 80
kvs( nominal flow rate of cold water (5…30 °C) through the fully open ball valve at a differential pressure of 100 kPa (1 bar)):100
Sv (rangeability):50kvs / kvr
∆pmax(Maximum permissible differential pressure across valve’s control path, valid for the entire actuating range of the motorized valve.):400
∆ps (Maximum permissible differential pressure at which the motorized valve will close securely against the pressure (close off pressure).):400
Stock number:S55232-V101
working pressure ： According to the graph on page 5, the allowable medium temperature range according to ISO 7005
Flow characteristics ： Equal percentage; NGI = 3.0 compliant with VDI / VDE 2173 (modified)
Leakage rate ： 0... 0.01 of kVs value.
Allow media ： Cooling water, chilled water, low-temperature hot water, high-temperature hot water and water mixed with antifreeze;
Recommendation: water treatment shall be in accordance with VDI 2035
Medium temperature ： 2.80 C
Adjustable ratio SV ：> 50
valve body ： Cast iron (HT250)
sphere ： Stainless steel (304SS)
Valve stem ： Stainless steel (304SS)
valve seat ： PTFE
Sphere: Teflon with graphite
sealing material ： NBR O-ring
Flange connection: ISO 7005-2 PN 25