Title: Motorventiler fyrrom - VQE DN65-150.pdf
The valve is closed when the spindle is moved out • Closing against the pressure • Valve body and seat made of grey cast iron • Stainless-steel spindle • Plugs made of stainless steel with metal-to-metal seal • Stuffing box made of stainless steel with wiper ring and double O-ring seal made of EPDM Technical dataParametersNominal pressurePN 16ConnectionFlange as per EN 1092-2, form BValve characteristicEqual-percentageControl ratio of valve> 30:1Stuffing box2 EPDM O-ringsLeakage rateValve strokeClass III as per DIN EN 60534-4 (0.001 x kvs) 20 mm (DN 65...80) 40 mm (DN 100...150)Ambient conditions1)Operating temperature2) Operating pressure10...150 °CUp to 120 °C 16 bar At 150 °C 14.4 bar Between 120 °C and 150 °C, a linear interpolation can be performedStandards and directivesPressure and temperature dataEN 764, EN 1333Flow parametersEN 60534 (page 3)Pressure Equipment Directive97/23/EC (fluid group II) With CE labelOverview of typesType