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Xiangjing (Shanghai) M&E Technology Co., Ltd

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China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical
China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical

  1. China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical
  2. China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical
  3. China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical
  4. China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical
  5. China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical
  6. China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical
  7. China IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical

IMI STI SA/CL Analog Positioner for Linear Actuator Dual Acting Petrochemical

  1. MOQ: 1
  2. Price: 2830-2870$ per set
  3. Get Latest Price
Payment Terms T/T
Supply Ability 800 sets per year
Delivery Time 6-8 weeks
Packaging Details Carton/Wooden Case Packaging
Input Signal 3-15 psi pneumatic or 4-20 mA electrical signal
Standard Operating Temperature -20°C to 70°C, custom range available on request
CV Max Low Flow ND 1/4" inlet 0.34 outlet 0.34; ND 1/2" inlet 0.637 outlet 0.79
Feeding Connection ND 1/4" for SA/CL-2, ND 1/2" for SA/CL-1
Supply Pressure 2.5 to 7 bar
Linearity 1% of the full stroke
Hysteresis 0.5% of full stroke
Sensitivity 0.2% of signal range
Electrical Connection ND 1/2" NPTF
Accessories Available Air Lock Change over plate Customised cam Pressure gauges
Brand Name IMI STI
Model Number SA/CL
Place of Origin Italy

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 800 sets per year
Delivery Time 6-8 weeks Packaging Details Carton/Wooden Case Packaging
Input Signal 3-15 psi pneumatic or 4-20 mA electrical signal Standard Operating Temperature -20°C to 70°C, custom range available on request
CV Max Low Flow ND 1/4" inlet 0.34 outlet 0.34; ND 1/2" inlet 0.637 outlet 0.79 Feeding Connection ND 1/4" for SA/CL-2, ND 1/2" for SA/CL-1
Supply Pressure 2.5 to 7 bar Linearity 1% of the full stroke
Hysteresis 0.5% of full stroke Sensitivity 0.2% of signal range
Electrical Connection ND 1/2" NPTF Accessories Available Air Lock Change over plate Customised cam Pressure gauges
Brand Name IMI STI Model Number SA/CL
Place of Origin Italy
High Light IMI STI SA/CL analog positionerdual acting positioner for linear actuatorpetrochemical thermal power plant positioner
The IMI STI SA/CL Analog Positioner is a robust, heavy-duty analog valve positioner designed for precise control of pneumatic actuators in demanding industrial environments.
Product Overview

The IMI STI SA/CL is a high-performance analog positioner available in both pneumatic and electro-pneumatic versions. Engineered for linear actuators (typically with stroke lengths over 70mm), it provides accurate valve positioning using a classic force-balance principle. Built with a metallic housing and heavy-duty construction, the SA/CL excels in harsh conditions, delivering reliable, stable performance for process control applications. It is suitable for double-acting configurations (and can be adapted for single-acting use), making it a trusted choice in industries requiring durability and precision.

Features
  • Heavy-duty metallic case for maximum durability in aggressive environments
  • IP65 protection as standard, with options for explosion-proof and intrinsically safe certifications
  • Double-acting design (adaptable for single-acting applications)
  • High vibration and shock resistance
  • Full stainless steel spool valve options (for ND 1/4" and ND 1/2" versions)
  • Action inversion without tubing changes (on select models)
  • Air purge version available for enhanced protection in dusty/sandy conditions
  • Sandstorm execution option for extreme desert or abrasive environments
  • Low air consumption and fast response time
  • Simple calibration and maintenance
Technical Specifications
Specification Detail
Input Signal3-15 psi (pneumatic) or 4-20 mA (electro-pneumatic)
Supply PressureTypically 20-100 psi (depending on configuration)
OutputPneumatic to actuator
Stroke RangeOptimized for linear actuators with stroke >70mm (up to specific model limits)
Linearity / Hysteresis / RepeatabilityHigh accuracy typical of analog force-balance design (commonly <1% FS)
EnclosureMetallic housing, IP65 standard
Operating TemperatureWide range suitable for industrial use (often -20°C to +80°C or extended with options)
Air Connections1/4" NPT or G threads (model dependent)
Fail-safe ModesAvailable configurations for fail-open, fail-close, or stay-in-place
OptionsATEX/IECEx explosion-proof, intrinsically safe, stainless steel components, special executions

(Note: Exact values may vary by specific configuration; consult official IMI STI datasheet for your model variant.)

Applications
  • Oil & Gas (onshore/offshore platforms, refineries)
  • Petrochemical and chemical processing plants
  • Power generation (conventional and combined cycle)
  • Pulp & paper industry
  • Water & wastewater treatment
  • General heavy industrial process control where reliable valve actuation is critical in harsh or hazardous areas
FAQ

Q: Is the SA/CL suitable for rotary actuators?

A: No, it is specifically designed for linear actuators with longer strokes (>70mm). For rotary applications, consider other IMI STI models.

Q: Can it be used in explosive atmospheres?

A: Yes, explosion-proof and intrinsically safe versions are available to meet ATEX/IECEx requirements.

Q: What is the main advantage over digital/smart positioners?

A: The SA/CL offers simple, reliable analog operation with no electronics complexity, making it ideal for applications where robustness and low maintenance are prioritized over advanced diagnostics.

Q: Does it support fail-safe operation?

A: Yes, depending on piping and spring-return actuator setup, it supports fail-open, fail-close, or lock-in-last-position modes.

Q: How do I calibrate the positioner?

A: Calibration is straightforward using zero and span adjustments; detailed instructions are provided in the installation manual.

Contact Us

For inquiries, quotations, technical support, or ordering, please reach out:

WeChat / WhatsApp / Phone: +86 13472860702

Related Products
  • IMI STI SA-1 Analog Positioner (compact version for shorter strokes)
  • IMI STI Smart Series (digital/ HART/FOUNDATION Fieldbus positioners)
  • IMI STI Pneumatic Actuators (SC/FC/SCN series linear actuators)
  • IMI STI Limit Switch Boxes and Solenoid Valves
  • IMI STI Electro-Pneumatic I/P Converters

We are ready to assist with custom configurations and integration solutions for your valve automation needs!

Company Details

Bronze Gleitlager

,

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 and 

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    2015

  • Total Annual:

    30,000,000-50,000,000

  • Employee Number:

    200~300

  • Ecer Certification:

    Verified Supplier

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  • Xiangjing (Shanghai) M&E Technology Co., Ltd
  • No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
  • https://www.shgongboshi.com/

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