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    Pneumatically operated 2/2 way Diaphragm Valve with stainless steel body

    Type 2031 / Ident No. 137134

    Produkt-Foto Typ 2031

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

    • Produkt-Foto Typ 2031
    • Produkt-Foto Typ 2031
    • SPD-2031-NR-40_thumb.png

    2/2-way-piston-operated diaphragm valve

    • Flow optimized and deadleg free bodies
    • Hermetical separation of fluids from the operating mechanism by diaphragm

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

    Product description

    Pilot controlled diaphragm valve with pneumatically operated piston actuator and valve body from cold-formed stainless steel pipe. Actuator from PA or PPS.

    EAN Number
    Commodity Codes

    Technical attributes

    Type 2031
    Main valve operating principle Diaphragm valve
    Valve piloting type Pneumatic
    Valve construction Valve complete
    Actuator version Classic
    Control function A - normally closed (NC)
    Valve function number of switching positions 2 PCE
    Actuator size 125 mm
    Actuator material category Plastics
    Actuator material PA (Polyamide)
    Control air connection material Stainless steel
    Control air connection type Internal thread
    Control air connection thread type G
    Control air connection diameter (inch) 1/4 inch
    Control air connection position 90° to direction of line
    Control air hole diameter 3 mm
    Position monitoring via magnetic piston No
    Valve function manual actuation No
    Additional manual actuation included No
    Body nominal size 50 mm
    Body nominal size (IN) 2 inch
    Body / actuator connection Actuator socket with threads
    Diaphragm coupling Button/thread
    Seat seal / diaphragm material EPDM (ethylene-propylene-diene rubber)
    Fluidic port connection number 2 PCE
    Valve body material category Metals
    Valve body material Stainless steel
    Valve raw body manufacture formed
    Manufacturer´s test certificate 3.1 included No
    Valve body surface treatment internal Glass beaded
    Valve body surface treatment external Glass beaded
    Surface finish internal RA 1,6 µm
    Surface finish external RA 1,6 µm
    Port connection 1 size DN DN 50
    Port connection 1 type Flanged
    Port connection 1 flange DIN EN 1092-1
    Port connection 1 flange pressure class PN 25
    Port connection 2 size DN DN 50
    Port connection 2 type Flanged
    Port connection 2 flange DIN EN 1092-1
    Port connection 2 flange pressure class PN 25
    Nominal pressure min 0 bar
    Nominal pressure max 8 bar
    Control pressure min 5.5 bar
    Control pressure max 7 bar
    Temperature environment min -10 °C
    Temperature environment max 60 °C
    Temperature medium min -10 °C
    Temperature medium max 130 °C
    Kv value (water) 70 m3/h
    Pressure Class (PN) PN 16
    Pressure class (LB) 150 LB
    CIP capable Yes
    SIP capable Yes
    Weight 7,000000 kg
    Weight 7,000000 kg
    Show full table Collapse table


    Language / Country
    ABD EU-DoC|EU Declaration 1000138567-D_2031_EU-DoC.pdf 1.9 MB EN,FR,DE
    DTS Accesorios para valvulas 2XXX DS2000-Accessory-ES-ES.pdf 1.2 MB ES / ES
    DTS 2031-8801/8803-DB, Feinguss DS2031-Cast-DE-DE.pdf 1.8 MB DE / DE
    DTS 2031-8801/8803-DB, cast DS2031-Cast-EU-EN.pdf 1.6 MB EN / EU
    DTS Kompakt-Feingussgehäuse DS2031-Compact-DE-DE.pdf 267.8 kB DE / DE
    DTS Compact - Cast valve body DS2031-Compact-EU-EN.pdf 281.6 kB EN / EU
    DTS 2031-8801/8803-DB, Schmiede DS2031-Forged-DE-DE.pdf 1.6 MB DE / DE
    DTS V.Diafragma, cuerpo forjado DS2031-Forged-ES-ES.pdf 596.7 kB ES / ES
    DTS 2031-8801/8803-DB, forged DS2031-Forged-EU-EN.pdf 555.9 kB EN / EU
    DTS 2031K-8801/8803-DB Rohrumform DS2031-GeneralPurp-DE-DE.pdf 1.9 MB DE / DE
    DTS 2031GP-8801/8803-DB, Gen.Purp. DS2031-GeneralPurp-EU-EN.pdf 1.9 MB EN / EU
    DTS 2 Wege Membranventil DM32 DS2031-INOX-DE-DE.pdf 840.7 kB DE / DE
    DTS 2-Way Diaphragm valve DM32 DS2031-INOX-EU-EN.pdf 1.3 MB EN / EU
    DTS Vanne à membrane Inox DS2031-INOX-FR-FR.pdf 1.3 MB FR / FR
    DTS Válvula Diafragma, GP DS2031-Standard-BR-PT.pdf 795.6 kB PT / BR
    DTS Rohrumformgehäuse Ventil DS2031-TubeBody-DE-DE.pdf 1.3 MB DE / DE
    DTS Tube Valve Body DS2031-TubeBody-EU-EN.pdf 823.7 kB EN / EU
    DTS Zubehör für Ventile 2XXX DS2XXX-Accessories-DE-DE.pdf 775.2 kB DE / DE
    DTS Accessories for valves 2XXX DS2XXX-Accessories-EU-EN.pdf 768.2 kB EN / EU
    MAN OnOff position feedback MA1062-Feedback-EU-ML.pdf 2 MB EN,FR,DE / EU
    MAN Acessories MA2000-Accessory-EU-ML.pdf 1.6 MB EN,FR,DE / EU
    MAN Anleitung, DN8-DN65 MA2030-2030-2031-DE-DE.pdf 1.2 MB DE / DE
    MAN Manual, DN8-DN65 MA2030-2030-2031-EU-ML.pdf 1.2 MB EN / EU
    MAN Manuel, DN8-DN65 MA2030-2030-2031-FR-FR.pdf 1.2 MB FR / FR
    MAN DN 8 - DN 65 MA2030-2031K-ES-ES.pdf 354.5 kB ES / ES
    MAN DN65 - 100 MA2030-BigAct.-ES-ES.pdf 287.5 kB ES / ES
    MAN Conversion SF MA2030-ConversionSF-EU-ML.pdf 2.1 MB EN,DE / EU
    MAN Diaphragm Valve DN 65-100 MA2030-Quickstart-2-EU-ML.pdf 1.4 MB EN,FR,DE / EU
    MAN Quickstart 2030, DN8-DN65 MA2030-Quickstart-DE-DE.pdf 1.1 MB DE / DE
    MAN Quickstart 2030, DN8-DN65 MA2030-Quickstart-EU-ML.pdf 1.1 MB EN / EU
    MAN Quickstart 2030, DN8-DN65 MA2030-Quickstart-FR-FR.pdf 1.1 MB FR / FR
    MAN Repair Instruction MA2030-Repair-EU-ML.pdf 1.2 MB EN,DE / EU
    MAN Diaphragm Valve DN 65-100 MA2030-Standard-EU-ML.pdf 1.7 MB EN,FR,DE / EU
    MAN Supplement MA2031-CodePE05-EU-ML.pdf 836.5 kB EN,FR,DE / EU
    MAN Quickstart 2031 INOX MA2031-Quickstart-DE-DE.pdf 872.1 kB DE / DE
    MAN Quickstart 2031 INOX MA2031-Quickstart-EU-ML.pdf 869.6 kB EN / EU
    MAN Quickstart 2031 INOX MA2031-Quickstart-FR-FR.pdf 872.5 kB FR / FR
    MISC Flyer Tube Valve Body 153.6 kB EN / EU
    Item No.
    01 11464
    02 677670 Diaphragm DN50 EPDM packed
    03 639173
    04 639169