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Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator

Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator

    • Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator
    • Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator
    • Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator
    • Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator
  • Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator

    Product Details:

    Place of Origin: China
    Brand Name: FLUITECH
    Certification: CE/SIL3/ISO9001
    Model Number: AT-SR/DASeries

    Payment & Shipping Terms:

    Minimum Order Quantity: 01/PC
    Price: FOB/EXW
    Packaging Details: Wooden case
    Delivery Time: 1-3working days
    Payment Terms: T/T
    Supply Ability: 100000/Month
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    Detailed Product Description
    Material: Aluminum Alloy Color: Red
    Option Color: Blue,White,Orange Option Material: SG Iron
    Type: Single/Double Name: Rack And Pinion Pneumatic Actuator

     

    Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator

     

     

    Pneumatic rack and pinion actuators

     

    1.  Introduction - Pneumatic rack and pinion actuators

    1.1. Identification

    The Apollo Rack and Pinion actuators are available as double-acting or spring-return versions. They are designed to use standardized interfaces for solenoid, switch box, or positioner mounting (NAMUR).

    The valve interface is equipped with an insert in the pinion bottom that allows for ISO 5211 mounting. The springs in the spring-return version allow a fail action in case of loss of air supply

    pressure (fail-to-close or fail-to-open).

     

    Item Description
    1 Top auxiliaries interface ( NAMUR)
    2 Solenoid Interface (NAMUR)
    3 Valve interface with ISO 5211 patterns and insert drive
    4 Spring-return actuators with springs
    5 Double-acting actuators with no springs
    6 High end caps for double-acting and spring-return models up to size -400
    7 Low end caps for double-acting models, sizes -400 and larger

     

     2Specifications - Pneumatic rack and pinion actuators

     

    Table 1: Pressure Range

    Actuator Type Spring Quantity Pressure
    Double-Acting n/a 2-8Bar
    Spring Return 10 pcs 5bar
    8 Pcs 4bar

     

    Table 2: Operating Media

    Actuator Type Operating Conditions

    Double-Acting &

    Spring Return

    Air, dry or lubricated & inert gas
    Dew point at least 10°C below ambient temperature
    For sub-zero applications, take appropriate measures
    Mentioned pressure levels are “gauge pressures”

     

    Table 3: Temperature Range

    Actuator Type Temperature
    °F °C
    Standard -4° – 176° -20° – 80°
    Low Temperature -40° – 176° -40° – 80°
    High Temperature -4° – 248° -20° – 120°

     

     

     3. Installation - Pneumatic rack and pinion actuators

     

    This section explains:

    · The “Failure Modes” of an actuator.

    · In which position the actuator will end after a failure.

    · Principles of operation:

    o Solenoid operation

    o Double acting and Spring return operation

    · Assembly codes.

    · Actuator to valve assembly

     

    Durable Rack And Pinion Pneumatic Actuator , High Performance Control Valve Actuator

     

    3.1.Failure Modes

     

    3.1.1. Valve Rotation

    For the following paragraphs, we assume that the valves rotate as

    indicated in Figure 4.

     

    3.1.2. Position after Failure

    The position of the actuator after a failure depends on the:

    · Principle of operation

    · Assembly (code) of the actuator

    · Type of failure

    Contact Details
    Jiangsu Fluitech Control System Co.,LTD.

    Contact Person: Hillary Qin

    Tel: 86 189 1248 4243

    Send your inquiry directly to us (0 / 3000)

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