Extraction Arm NEX D Brochure (635 KB)

NEDERMAN NEX D/DXImproving your workspaceNo. 9832421012 m3 m4 m 5 mThe NEX D and NEX DX are easy touse extraction arms made for dustapplications in explosive environmentsand in applications with high hygienicdemands.The Nederman NEX D/DX- a new generation of capture at source extractorsSegmentsPharmaceuticalFood process industryTechnical chemical industryApplicationsFor use when controlling,measuring, weighing, filling,blending, mixing, emptying,packaging, etc.AppearanceWith concealed joints and a separateeasy to mount hose, the NEX D/DX isspecially designed for workingenvironments with large amounts of dustwhere an easy-to-use at sourceextraction with high suction capacity,mobility and simple maintenance isrequired. Explosive environmentsThe NEX D and DX arms are designedto be used in environments that containsexplosive dust.HygieneEnclosed support arm, separate hose,and a stainless steel hood means theNEX arm requires little maintenanceand is easy to clean. It is the ideal forindustries where hygiene is a toppriority in their production. The designminimises dust collection on the insideof the hose and the enclosed supportarm simplifies cleaning and preventsdust from penetrating the friction hinges.The hose is easy to dismantle forcleaning or changing.Hose free fromcomponents inimalaccumulation ofdust/particles on theinsideHygienic design - thehose is mountedparallel to thesupport arms bystraps - simple todetach for cleaningSelf-supporting external flexible armconstruction - Encapsulatedmechanism - Covered by box sectionsand bellows and therefore protectedagainst dust – Manoeuvrability lightand precise – Stable when positionedHorizontally pivotedboom for extra reachSwivel - allows theproduct to turn 360°Hood - Multipositioned -Improved capturecapacity by the shape ofthe opening and therectangular flange -Protection grille360°NEX 3 m, mounted on awall bracket hanging ona consol to facilitate a360° swivel.NEX 3 m, mounted forduct connectionupwards.NEX 3 m, mounted forduct connectiondownwards.NEX DXThe NEX DX has a double-earthed system.Antistatic earthed ventilation hose thatprevents static electricity and sparks. Thismakes the arm EX approved for zone 21,dust, in accordance with the ATEX directive94/9EC, Group II, Equipment category 2.Marking: EX II 2 DNEX DThe NEX D is equipped with an earthedventilation hose made of FDA approvedingredients. The arm is EX approved forzone 22, dust, in accordance with the ATEXdirective 94/9EC, Group II, Equipmentcategory 3.Marking: EX II 3 DModel Part No. With damperin the hoodPart No.NEX D 2m 10500232 10501232NEX D 3m 10500332 10501332NEX D 4m 10500432 10501432NEX D 5m 10500532 10501532Model Part No With damper in the hoodPart NoNEX DX 2m 10502232 10503232NEX DX 3m 10502332 10503332NEX DX 4m 10502432 10503432NEX DX 5m 10502532 10503532INSTALLATIONEXAMPLESTECHNICAL INFORMATIONRecommended airflow and air velocity in dustapplications: 1100-1800 m3/h, 15-25 m/s.The products are available with or without damper inthe hood.The maximum temperature of the extracted air is 70°C.All parts are possible to clean in liquids withtemperatures up to 70 °C and are resistant to mostcommon detergents. The arm system is conductivethrough the joints. <106 ohm.MaterialParallelogram: Aluminium Springs: Phosphated steelPlastic covers: PolypropyleneBellows over joints: Steel helixPVC on polyester fabricBellow over ball joint: PolypropyleneBall joint: Aluminium and galvanisedsteelExtension booms: Powder painted steelJoints (extension boom): AluminiumSwivel: AluminiumBolts, nuts, washers: Galvanised steelHood: Stainless steel, ASTM 304,EN 1.4301Friction discs: POM (Acetal)Hose straps: PVC and PA (Nylon)Hose D: Steel helixPVC, made of FDAapproved materialHose DX: Steel helix Antistatic PolyurethaneHose sleeves: EPDMParts resistant to common detergents for cleaningDIMENSIONSWall bracketFor 2-3-metre armPart No. 10372215Model Weight Recovery Sound level at Sound level at (kg) rate hood at 700 m3/h hood at 2000 m3/h (weight -%) (dB(A)* (dB(A)*NEX 2m 17 82 56 81NEX 3m 21 81 55 80NEX 4m 28 83 54 77NEX 5m 32 82 54 77ACCESSORIESPRESSURE DROP ENVIRONMENTAL DATA* Depending on position of extraction arm. Measured in accordance with ISO 112012300500 (NEX 2 m)1601000 (NEX 3-4-5 m)225 Ø 160max. 2000 max. 3000 max. 4000 max. 50002 m 3 m 4 m 5 m14002302 mR 1100 (NEX 2 m)R 1600 (NEX 3-4 m)Static pressure drop /PaAir flow / m3/h3000250020001500100050000 600 800 1000 1200 1400 1600 1800 20005 m4 m3 m2 mWall bracketFor 4-5-metre armPart No. 10372722Rights reserved for modification of design and measurements.The majority of Nederman's products are manufactured within ISO 9001 and ISO 14001-certified Quality- and Environmental system. For more detailed information please contact us.Helsingborg March 2003, SPThe NEX D and NEX DX is available in fourmodels in lengths of 2, 3, 4 and 5 metres.Hose Ø 160 mm. Connection Ø 160 mm. ~1900