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bürkert
 

    Servo-assisted 2/2 way diaphragm valve

    Type 6281 / Ident No. 322527

    Produkt-Foto Typ 6281

    The depiction of the products may differ from the actual specific design.

    • Produkt-Foto Typ 6281
    • Produkt-Foto Typ 6281
    • 9000213404.jpeg
    • 9000177007.jpeg
    • 9000412959.jpeg

    2/2-way-solenoid valve; servo assisted

    • Servo-assisted diaphragm with diameter of up to DN50
    • Vibration-proof, central screwed coil system
    • Damped design for quiet closing
    • Service-friendly manual override
    • Explosion-proof versions

    For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet.

    Product description

    The 6281 valve is a servo-assisted solenoid valve of the S.EV series. A minimum differential pressure is always required for the function of the valve. Various diaphragm material combinations and methods of operation are available depending on the application. The standard brass housing satisfies all European drinking water requirements. Dezincification-resistant brass is available for other markets. The housing offering is rounded out by a stainless steel version. For reduced energy requirement, all coils can be delivered with electronic power reduction. The valve can be equipped with manual override for easy maintenance and commissioning. In combination with a plug in accordance with DIN EN 175301-803 Form A, the valves satisfy protection class IP65 – in combination with a stainless steel housing NEMA 4X.


    Commodity Codes
    84818079
    Country
    DE

    Technical attributes

    Name
    Value
    Unit
    Type 6281
    Operation servo-controlled
    Actuator type Plunger valve
    Main valve operating principle Diaphragm valve
    Switch function on/off
    Media separation No
    Valve function B - normally open - inlet port 1 (P/NO)
    Fluidic port connection number 2
    Valve function number of switching positions 2
    Valve function manual actuation No
    Flow Above seat
    Nominal pressure min 0.2 bar
    Nominal pressure max (liquid) 16 bar
    Pressure Class (PN) PN 16
    Main valve orifice 1 (P) (mm) 10 mm
    Main valve orifice 1 (inch) 3/8 inch
    Kv value (water) 1.9 m3/h
    QNn value (gas) 2050 l/min
    Main valve wetted material Brass
    Port connection 1 type Inner thread
    Port connection 1 thread type G
    Port connection 1 thread marking 3/8
    Port connection 2 type Inner thread
    Port connection 2 thread type G
    Port connection 2 thread marking 3/8
    Medium-contacting part core material Stainless steel
    Medium-contacting part stopper material Stainless steel
    Seat seal material category Elastomer
    Seat seal material NBR (Nitrile rubber)
    Sealing toward outside material NBR (Nitrile rubber)
    Temperature environment max 55 °C
    Temperature medium min -10 °C
    Temperature medium max 80 °C
    Voltage / rated voltage 24 V
    Voltage / rated voltage 24 V
    Voltage tolerance negative 10 %
    Voltage tolerance positive 10 %
    Voltage frequency 50/60 Hz
    AC voltage Yes
    DC voltage No
    Battery voltage No
    Rated power consumption 7 W
    inrush power consumption AC 24 V·A
    Rated power AC 16 V·A
    Electrical connection sort Plug pattern form A according to DIN EN 175301-803
    Electrical connection number of contacts 2 + Grounding conductor
    Cable plug in delivery not included
    Electrical connection position in direction of flow left
    Protection type (IP max. with suitable connector) IP65
    Coil type placed on top
    Coil insulation material category (encasement) Plastics
    Coil insulation material (encasement) Epoxy
    Coil size 32 mm
    Coil wiring overvoltage protection without
    Coil wiring rectifier No
    Coil wiring polarity recovery diode No
    Coil special feature for high temperatures
    Thermal insulation class of the actuator H
    Nominal operation/Duty cycle 100 %
    Valve setting opening time No
    Valve setting closing time No
    Back-pressure-resistant version No
    Vacuum version No
    Analysis version No
    Oxygen version No
    Oil burner valve No
    Steam version No
    Pilot control orifice (mm) 1.2 mm
    Pilot control seal material NBR (Nitrile rubber)
    Pilot control centrally bolted Yes
    Low-noise version No
    Main valve with integrated screen No
    Without mounting Yes
    Valve construction Valve complete
    Weight 0,118000 kg
    Show full table Collapse table

    Applications & Tools

    CAD Model

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    Downloads

    Data Sheets

    Description
    Filesize
    Language / Country
    DTS Tipo 6281 ficha técnica |servocontrol |válvula de membrana 717.5 kB ES
    DTS Type 6281 data sheet | servo-assisted diaphragm valve 1.6 MB EN / EU
    DTS Type 6281 data sheet | servo-assisted diaphragm valve [US units] 826.2 kB EN / US
    DTS Typ 6281 Datenblatt | servogesteuertes Membranventil 1.6 MB DE / DE

    User Manuals

    Description
    Filesize
    Language / Country
    MAN Additional manual Type 6013 | PX01 - PX03 Use in the explosion-hazard area 125 kB EN,FR,DE / EU
    MAN Additional manual Type 6013 | PX011 - PX13 Use in the explosion-hazard area 517.7 kB EN,FR,DE / EU
    MAN Additional manual Type 6013 | PX04 Use in the explosion-hazard area 138.7 kB EN,FR,DE / EU
    MAN Additional manual Type AC10 | Solenoid coil AC10, ATEX approval 1.5 MB EN / EU
    MAN Návod k obsluze Type 6213 | 2/2-cestný magnetický ventil 1.3 MB / CZ
    MAN Operating Instructions Type 6213 6281 | 2/2-way solenoid valve 1.3 MB EN / EU
    MAN Operating Instructions Type AC10 | ATEX approval 1.3 MB EN,FR,DE / EU
    MAN Bedienungsanleitung Typ 6213 6281 | 2/2-Wege-Magnetventil 1.3 MB DE / DE
    MAN Manuel d'utilisation Type 6213 6281 | Électrovanne 2/2 voies 1.3 MB FR / FR
    MAN Manuel supplémentaire Type AC10 | Bobine magnétique AC10, homologation ATEX 1.6 MB FR / FR
    MAN Zusatzanleitung Typ AC10 | Magnetspule AC10, ATEX Zulassung 1.5 MB DE / DE

    EU Declaration

    Description
    Filesize
    Language / Country
    ABD EU-DoC|EU Declaration 8.8 MB EN,FR,DE

    Interactive Animation

    Description
    Filesize
    Language / Country
    3D_ANIMATION 3D-Animation - 6281 3.2 MB EN

    Flyers and Catalogues

    Description
    Filesize
    Language / Country
    MISC Flyer Best Practice Safe operation with overpressure 212.9 kB AF
    MISC For stable transport of bulk materials 635.2 kB EN / EU
    MISC Overview of approvals: Solenoid valves 709.1 kB EN / EU
    MISC Solenoid valves for safety in your plant 786.8 kB EN / EU

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