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Valve Automation

Valve Automation

In many key technologies it is necessary to operate and automate valves pneumatically.

With compressed air, you can also adjust large valves to any position safely and easily. To control a valve with a compressed air cylinder, you only need a positioner.

The positioner regulates the compressed air to the actuator and is connected to the drive mechanically or with a remote sensor. This allows you to precisely adjust the position of your cylinder and hence the valve.

At SMC you will find all products you need from a single source. Starting with the positioner, through special valves to the complete compressed air supply, including accessories such as one-touch fittings made of stainless steel.

We develop individual solutions for you according to your wishes for your applications, completely with high-quality SMC products.

SMC offers you individual support and tailor-made solutions for automation of your valve

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On our YouTube channel we show you tests and solutions that we have carried out in our in-house laboratory.

Fluid Control Lab“-Channel

Product Information for Valve Automation

Electro-pneumatic positioners (also called positioners)

With these controllers, pneumatic actuators can be adjusted to any desired position.

  • for rotating and linear applications
  • SIL2 certified
  • advanced self-diagnosis and settings
  • Fail-safe functions
  • Compatible with HART communication
  • Profibus PA, FOUNDATION field bus
  • Various explosion-proof designs
  • Housing with IP66, NEMA 4X

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  • for rotating and linear applications
  • SIL2 certified
  • Self-diagnosis, fail-safe functions
  • Compatible with HART communication
  • Various explosion-proof designs
  • Housing with IP66, NEMA 4X

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Serie IP8001 / IP8101

  • electro-pneumatic smart positioner
  • (HART protocol)
  • for rotating or linear applications
  • Auto calibration
  • Display, advanced configuration options
  • Available as ATEX intrinsically safe
  • Explosion-proof design (II 1G Ex ia II CT4 / T5 / T6 Ga)

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Serie IP8000 / IP8100

  • simple positioner for rotating or linear applications
  • ATEX intrinsically safe
  • Explosion-proof design (II 2G Ex ib II CT5 / T6 Gb)

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Pneumatic positioner

  • controlled pneumatically
  • for rotating or linear applications

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  • is controlled pneumatically
  • Servo mechanism allows stable and precise positioning of the cylinder
  • Direct connection with the piston rod (for recording the actual position of the cylinder)

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Lock-Up Valves

are used to bring the cylinder into a safe position in the event of an error in the compressed air supply. If the pressure falls below the adjustable minimum pressure, the valve switches to the safe position.

Available as

  • 2/2-way valve for single-acting cylinders (spring return), series IL201
  • 4/4-way valve for double-acting cylinders, series IL211
  • 3/2 valve to switch to an alternative compressed air supply, series IL220

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Booster Ventile

Accelerate opening and closing speeds of large cylinders.
When the distance between the actuator and the control ist far.

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Maximum flow rate: Approx. 6000 L/min (ANR)

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Filter regulator

are necessary to protect the drive from damage by filtering the compressed air and adjusting the pressure. Robust and resilient, specially developed for valve automation.

  • AW-X2622External parts made entirely of 316 stainless steel
  • For temperature range from -40 ° C to 80 ° C
  • Complies with the international NACE standard

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AW-X430, AWX_440

Special materials and seals for
particularly high or low ambient temperature
(-30 – 60 ° C, -5 – 80C)

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  • Simple but robust

  • Additionally as high and low temperature variant
    (-30 – 60 ° C, -10 – 100 ° C) or

  • available completely free of copper

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Combinations of drives and actuators

  • CYPOs are cylinders with positioners that can be adjusted to any desired position. They are often manufactured with additional pneumatic circuits and are designed and built individually according to your wishes.
    With us you get all-in-one solutions with SMC components only.

Übersicht Valve Automation

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  • The position of the cylinder is specified by an electrical signal (4-20 mA).
  • Simple calibration (end positions)
  • Short response times and high precision
  • Repeatability ± 0.5 mm
  • Easy maintenance thanks to the all-in-one solution
  • Built-in self-diagnosis (with LED and output signal)
  • Emergency positioning of the cylinder in the event of an air or power failure, depending on the application

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  • The position of the cylinder is created with the input signal
  • Inlet pressure 0.02 to 0.1 MPa
  • Supply pressure 0.3 to 0.7 MPa
  • The set position remains stable even with load fluctuations

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  • Plug and play solution
  • Compact integration of valve, cylinder and 2 flow regulators with silencer
  • Attachment of position sensors possible

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Solenoid valves

  • Can be installed directly on industrial valve actuators according to NAMUR
  • Monostable and bistable design
  • Connection thread: NPT 1/4, G 1/4
  • Numerous electrical connection options: molded cable, cable connection terminal, terminal box, DIN terminal

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  • Can be installed directly on industrial valve actuators according to NAMUR
  • Monostable and bistable design
  • Connection thread: NPT 1/4, G 1/4
  • Numerous electrical connection options: molded cable, cable connection terminal, terminal box, DIN terminal

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  • Design with hygienic design: synthetic resin body with slight curvature. Direct valve cleaning possible (IP67)
  • Voltage: 24 VDC
  • Electrical input: vertical (-X23) or horizontal (-X36)
  • Low power consumption: 0.5 W
  • Connection thread: NPT 1/4, G ¼

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Accessories (tubes, stainless steel fittings, flow regulators, ...)

Two layers to protect the inner tube (Single or double hose)

  • Nylon tubing with ∅ 6, ∅ 8 or ∅ 10 mm
  • Outer protective layer made of polyolefin or polyvinyl chloride (PVC)
  • Available in black or white
  • Fluid and ambient temperature: -40 to 100 ° C
  • Available in 100 / 200 / 300m

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  • 500 m or 250 m / roll
  • For general pneumatic applications
  • Nylon tubing in black or white
  • Fluid and ambient temperature: -40 to 100 ° C

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  • 500 m or 250 m length / roll
  • Complies with the Food Hygiene Act (FDA)
  • FEP tubing, transparent-translucent
  • Fluid and ambient temperature: -20 ° C to 200 ° C

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  • Compact and light
  • Made of stainless steel
  • Thread sizes: NPT 1/4, 3/8, 1/2 ″
  • Fluid and ambient temperature: -45 ° C to 80 ° C
  • Pressure range: 0.05 – 1 MPa

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  • Compact and light
  • Made of stainless steel 316
  • Thread size: M5, R1 / 8, 1/4, 3/8, 1/2 ″
  • For tubing sizes from ∅ 4 – 12 mm
  • Fluid and ambient temperature: -5 ° C to 60 ° C
  • Pressure range: 0.1 – 1 MPa

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  • Check valve made of brass or completely made of stainless steel SUS303
  • Thread sizes Rc1 / 8, 1/4, 3/8, 1/2 ″
  • High temperature up to 80 ° C
  • Low temperature down to -30 ° C
  • Suitable for compressed air and water
  • Available with different sealing materials

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  • Compact and light
  • Fluid temperature: −5 to 150 ℃
  • Material: metal parts made of stainless steel 316,
  • Seals made from special FKM
  • Fat free
  • Certified to food sanitation standards to meet

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  • Metallic parts made of stainless steel 303
  • Compact and light
  • 27 different models

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