Samson 42-36 E Mounting And Operating Instructions

Also see for 42-36 E: Mounting and operating instructions

EB 3018 EN 3-7Design and principle of operationDifferential pressure across the valveThe minimum required differential pressure Δpmin across the valve is calculated as follows:Δpmin = Δprestriction + ( V) 2KVS· ΔpminMinimum differential pressure across the valve inbarΔp restrictionDifferential pressure created at the restriction formeasuring the flow rate in the regulatorV Adjusted flow rate in m³/hKVS Valve flow coefficient in m³/h·Table 3-1: Technical data · Valves · All pressures in barType 2423 Valve Balanced by a bellows Balanced by a diaphragmValve size DN 15 to 250 DN 65 to 250Pressure rating PN 16, 25 and 40Max. medium temperature 150 °C 1)Max. ambient temperature 50 °CConformity ·1) Use an intermediate insulating piece (1990-1713) for DN 15 to 50 and water temperatures ≥130 °C.Leakage classThe metal-seated regulator has the leakageclass I according to IEC 60534-4.The soft-seated regulator has the leakageclass IV according to IEC 60534-4.Temperature rangeDepending on how the regulator is config-ured, it can be used up to temperatures of150 °C (see Table 3-1). The minimum tem-perature is limited by the accessories usedand the actuator's diaphragm material(u T 3018).Noise emissionsSAMSON is unable to make general state-ments about noise emissions. The noise emis-sions depend on the regulator version, plantfacilities, process medium and operatingconditions.Dimensions and weightsFig. 3-5 to Fig. 3-7 provide an overview ofthe dimensions and weights. The lengths andheights in the dimensional drawings areshown on pages 3-12 to 3-15.