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  3. Actuators

ST6175.C6-5D

Pneumatic actuators for control
and on/ off valves
• Actuating force max. 40 kN
• Spring closed or open
• Stroke max. 60 mm / 100mm
• Max air supply 6 bar

    General Information
    Brand:
    RTK
    Type:
    Diaphragm
    Category
    Actuators > Pneumatic
    Markets
    Industrial > Water & Wastewater
    Industrial > Pulp & Paper
    Paints & Colors
    Industrial > Mining
    Industrial > Chemical
    Industrial > Food & Beverages
    Industrial > Nuclear
    Industrial > Petrochemical
    FireFighting
    Textile
    Industrial > Heating and Cooling
    Industrial > Industrial Boilers
    Product Design
    Linear Actuator
    Performance data

    Technical data
    Type . .B6-2S .B6-3D .B6-5D .B6-7D .C6-3S .C6-3D .C6-5D .C6-7D
    Diaphragm area 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm² 1000 cm²
    Spring range (bar) 0.3 … 0.9 0.7 … 2.1 1.2 … 3.4 1.6 … 4.7 0.5 … 1.4 0.8 … 2.1 1.4 … 3.4 1.9 … 4.7
    Actuating force spring closed,
    closed position 3 kN 7 kN 12 kN 16 kN 5 kN 8 kN 14 kN 19 kN
    Actuating force spring open,
    open position 40 kN 32 kN 21 kN 10 kN 38 kN 32 kN 21 kN 10 kN
    Stroke 60 mm 60 mm 60 mm 60 mm 100 mm 100 mm 100 mm 100 mm
    Operating pressure (bar) Min.1.1 Min. 2.3 Min. 3.6 Min. 4.9 Min. 1.6 Min. 2.3 Min. 3.6 Min. 4.9
    Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6 Max. 6
    Actuator volume 0.8 … 5.8 LN 0.8 … 9 LN
    Ambient temperature -40 °C to +80 °C
    Coating Acrylic
    Weight 35 kg 37 kg 39 kg 41 kg 45 kg 48 kg 54 kg 60 kg
    Connection 3/8'' NPT Female thread
    Mounting position Any

    Options
    Handwheel Mounted on top
    Limit switches Contact rating max. 6 A, 400 V
    Protection IP 65
    3 / 2 way solenoid valve 24 V DC, 24 V, 115 V, 230 V 50 / 60 Hz, EEx
    Solenoid valve The safety function according to DIN EN 14597:2005-12 is only possible in combination
    with a solenoid valve which fullills the requirements of the Mounted on top mentioned directive.
    Positioners
    SRP 981 0.2 … 1.0 bar max. 6 bar
    SRI 990 4 – 20 mA 2-Wire
    SR 6136 (Sipart) 4 – 20 mA 2 / 3 / 4-Wire
    SR TZIDC 4 – 20 mA 2-Wire
    SR 1000 L 4 – 20 mA 2-Wire
    SR 3300 4 – 20 mA 2-Wire
    Other options available on request
    Important note The actuator needs in conjunction with the approval DIN EN 14597:2012-09 for failure free service, dry oil free instrument air
    • Particle size 30 μm
    • Pressure dewpoint +20 °C under ambient temperature

    Options:
    Handwheel - Mounted on top,
    Limit switches -Contact rating max. 6 A, 400 V,
    Protection IP 65 3 / 2-solenoid valve-24 V DC, 24 V, 115 V, 230 V 50 / 60 Hz, EEx,
    The safety function according to DIN EN 14597:2005-12 is only possible in combination with a solenoid valve which fullills the requirements of the Mounted on top mentioned directive. Positioners-SRP 981 - 0.2-1.0 bar- max. 6 bar,
    SRI 990 - 4 – 20 mA 2-Wire,
    SR 6136 (Sipart) -4 – 20 mA -2 / 3 / 4-Wire,
    SR TZIDC- 4 – 20 mA-2-Wire,
    SR 1000 L- 4 – 20 mA - 2-Wire,
    SR 3300- 4 – 20 mA- 2-Wire,
    Other options available on request
    Data

    Certifications

    EX Certified:
    Yes
    NTRL (US and Canada):
    No

    Unit

    Unit Metric:
    Yes
    Unit Imperial:
    Yes

    Temp

    Max C°:
    80.00
    Max F°:
    176.00
    Min C°:
    -40.00
    Min Fº:
    -104.00

    Rated Travel

    Rated Travel mm:
    Max. 35 mm
    Rated Travel Inch:
    Max. 3,937 Inch

    Operating Pressure

    Operating pressure - Max (bar)
    6.00
    Operating pressure - Min (bar)
    3.60

    Ambient Temperature

    Ambient Temperature Max
    80ºC
    Ambient Temperature Min
    -40ºC

    Other data

    Actuator Motion:
    Linear
    Fail-Safe Function:
    Actuator Stem retracts
    Diaphragm Area
    1000cm²
    Coating:
    Acrylic
    Weight:
    54.00kg
    Connection:
    ¼" NPT Female thread
    Stroke:
    100
    Mounting Position:
    Any
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