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    Home > Products > Floating point linear actuator
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    Floating point linear actuator

    price: $99.6-$195.8

    Voltage: 24VAC\ 24VDC \ 220VAC
    Control mode: Three-digit floating point(three-wire, two-control)
    Stroke: 20mm\ 40mm
    Torque: 1000Nm\ 3000Nm

    Material: die-cast aluminium

    Nominal pressure: PN16\ PN25
    Applicable valves:cast iron, cast steel, stainless steel

    Option: power failure reset function, electric heating function

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    Direct stroke electric actuators are used in conjunction with regulating valves, mainly for flow regulation in heating systems, HVAC systems, water supply systems, and production processes. They require fluids with good dynamic stability, low noise, and low leakage levels.

    • Users can set the operating speed on site through the dip switch.
    • Can adapt to working normally in harsh conditions such as cold weather.
    • In the event of an emergency malfunction during on-site use, in the event of a power outage from the external power source, the actuator can immediately issue a program command to the valve to continue working to the fully open or fully closed state, achieving the power-off reset function.
    • The actuator has manual function,which is convenient for on-site maintenance and debugging.
    • The actuator has been turned on and off 100000 times without any faults and can operate normally and stably.
    • Calibration Function The automatic travel calibration function automatically measures stem travel each time power is applied for better control accuracy.
    • The connection between the actuator and the valve stem adopts a gapless connection mechanism to reduce control errors caused by gaps and achieve high-precision control.
    Execution 1000N、3000N、5000N
    Supply Voltage AC24V/AC220V
    Signal 0-10V/4-20MA/RS485/ three-bit floating point
    Drive stroke 30mm/40mm/60mm
    Protection class IP67、IP68
    Motion type Mechanical gearing
    Motor type Permanent magnet synchronous motors
    Screen display Opening values, modes, alarms
    Adjustment range of opening 0-100%
    Shell material Die-cast aluminium, nylon
    Ambient Temperature -15℃~ 55℃
    Optional Features With power failure reset function, with valve position feedback, with automatic calibration
    Capable of collecting 2 pressure or temperature signals (supply and return)
    Selection Parameters
    Size
    （DN）    		 Kvs
    （m³）    		 Stroke  SKD
    1000N    		 SKC
    2800N    		 NVK10
    1000N    		 NVK30
    3000N    		 NVK50
    5000N
    DN32 12 20mm ● ○ ● ○ ○
    DN40 19 ● ○ ● ○ ○
    DN50 31 ● ○ ● ○ ○
    DN65 49 ● ○ ● ○ ○
    DN80 78 ● ○ ● ○ ○
    DN100 124 ● ○ ● ○ ○
    DN125 200 40mm ○ ● ○ ● ○
    DN150 300 ○ ● ○ ● ○
    DN200 420 ○ ● ○ ● ○
    DN250 580 ○ ● ○ ● ○
    DN300 780 ○ ● ○ ○ ●
    DN350 870 ○ ● ○ ○ ●
    DN400 3950 60mm ○ ○ ○ ○ ●
    DN500 5250 ○ ○ ○ ○ ●
    ● represents an optional actuator  ○ represents non-selectable actuator

    No. Toggle in down Toggle on
    1 Reverse stroke, stem down valve opens Positive stroke, stem down Valve closed
    2 Input signal 0-10V Input signal 4-20mA
    3 The actuator does not validate the stroke after power on Actuator validation stroke after power on
    4 Signal off Signal off to open
    5 Analogue control Three-digit floating-point control
    6 485 communication closed 485 communication opens
    7 Motor low speed operation Motor running at high speed
    8 Relay off Relay opens