Xiangjing (Shanghai) M&E Technology Co., Ltd
| 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 |
View Detail Information
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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 positioner ，dual acting positioner for linear actuator ，petrochemical thermal power plant positioner | ||
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.
| Specification | Detail |
|---|---|
| Input Signal | 3-15 psi (pneumatic) or 4-20 mA (electro-pneumatic) |
| Supply Pressure | Typically 20-100 psi (depending on configuration) |
| Output | Pneumatic to actuator |
| Stroke Range | Optimized for linear actuators with stroke >70mm (up to specific model limits) |
| Linearity / Hysteresis / Repeatability | High accuracy typical of analog force-balance design (commonly <1% FS) |
| Enclosure | Metallic housing, IP65 standard |
| Operating Temperature | Wide range suitable for industrial use (often -20°C to +80°C or extended with options) |
| Air Connections | 1/4" NPT or G threads (model dependent) |
| Fail-safe Modes | Available configurations for fail-open, fail-close, or stay-in-place |
| Options | ATEX/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.)
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.
For inquiries, quotations, technical support, or ordering, please reach out:
WeChat / WhatsApp / Phone: +86 13472860702
We are ready to assist with custom configurations and integration solutions for your valve automation needs!
Company Details
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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