37Direct Mounting NAMUR Pneumatic Pilot Valve5/2-3/2-Way, G 1/4-NAMUR, 2-8 bar. 5/2 and 3/2-way functions in one delivery. Extreme switching reliability. Premium corrosion resistant constructionNAMUR 6519/ 6519 ATEXThe 6519 incorporates a standard NAMUR flange to facilitate an Envelope Dimensions [mm] (see datasheet for details)extremely simple direct mounting onto process actuators. Bürkert's tried and true diaphragm seating design guarantees reliable switching of the valve, even after long shutdown periods. Manufactured from high quality engineered plastics this series can be operated as either a 5/2 or 3/2 way valve in chemically aggressive process conditions.Technical DataPressure range2-8 barTemperature media-10 ºC - +50 ºCAmbient temperature+55 ºC, max.Manual overrideYesBody materialPolyamideConnectionsG 1/4 (nickel plated brass) x NAMURNickel plated brass or Stainless steelOrifice6mmQNn 900 l/minSeal materialPB (NBR and PUR)Coil materialPolyamidePower consumption2 W (for AC and DC)Protection class IP65Electrical ConnectionSee table belowOptions. Without manual override. Intrinsically safe range (1 option shown in table as example)Ordering ChartTypeMaterialPort (P)OrificeQnn [l/min]Pressure range [bar]24V DC24V AC230V ACStandardCable plugMNG1/46.09002-8131 421131 422131 424VAG1/46.09002-8131 425131 426131 428ATEX EEXm3m cableMNG1/46.09002-8131 627131 627131 629VAG1/46.09002-8131 631131 631131 633Junction boxMNG1/46.09002-8427 978427 978139 066VAG1/46.09002-8139 067139 067139 069ATEX EEXiaCable plugMNG1/46.09002-8144 483--VAG1/46.09002-8144 482--WW H mit Handnotbetätigung1251342SizeABC1/8"323573.31/4"463579.3For plug details please see page 32 and table below. Class 1 Div I valves are supplied with flying leads and conduit connector

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