Building on the proven design and concept of SVL, STL valves offer continuous innovation, high safety, reliability, and quality. Danfoss is offering complete solutions in industrial refrigeration and with the introduction of the STL family of valves, new quality solutions can be utilized to enhance system reliability, safety and efficiency. The STL family is designed for unmatched reliability and high performance. With full availability of spare parts promises long-term efficiency and serviceability. Adaptable across diverse applications, these valves deliver consistent performance in various environments.
Celebrating the 25th anniversary of the SVL Valve portfolio
What the STL family includes
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SSTC: Stop Valves
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SREG: Regulating and Expansion Valves
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SFIA: Filters
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SCHV: Check Valves
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SSCA: Stop Check Valves
Features and benefits
Quality
All valves are 100% tested according to the International Standard ISO21922 valve standard requirements, covering strength test >1.5 PS and external and internal leak tests, ensuring reliable valves and performance, with forged housing up to DN 65 and casting for DN 80–150.
Efficiency
Experience high Kv flow for greater efficiency and energy savings, reducing power requirements and operational costs.
System Performance
Improve system performance with Coolselector, enabling precise valve design and selection. Enhance your system’s efficiency with our CoolSelector app, designed to optimize valve selection and usage.
Unmatched Value
Enjoy superior specifications and performance with our 40 Bar STL Family valves at the same price as the 25 Bar STC models—more value for your investment.
Interchangeable parts
Our STL series offers more interchangeable parts with SVL, including filter elements, check valve inserts, and flat gaskets. Use the Danfoss Ref Tool app to find the correct spare parts.
Made in India
Local production and reliable supply chain
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Installation guide | Check & stop valve / Check valves, type SSCA/ SCHV 50-100 | English | Multiple | 21 Aug, 2025 | 1.5 MB | |
| Data sheet | Hand operated regulating valve, type SREG-SA and SREG-SB 15-40 | English | Multiple | 28 Aug, 2025 | 2.3 MB | |
| Installation guide | Hand operated regulating valves, type SREG-SA and SREG-SB DN15-40 | English | Multiple | 11 Jun, 2025 | 846.3 KB | |
| Data sheet | Shut-off valves, Type SSTC | English | Multiple | 29 Aug, 2025 | 2.2 MB | |
| Installation guide | Shut-off valves, type SSTC/STC 15-150 (½-6 in.) | English | Multiple | 28 Aug, 2025 | 1.6 MB | |
| Catalog | STL Sales Code Overview | English | Multiple | 29 Aug, 2025 | 205.9 KB | |
| Data sheet | Stop/Check valve and Check valve, type SSCAand SCHV | English | Multiple | 29 Aug, 2025 | 8.3 MB | |
| Data sheet | Strainer, type SFIA | English | Multiple | 26 Sep, 2025 | 2.4 MB | |
| Installation guide | Strainer, type SFIA 15-100 | English | Multiple | 27 May, 2025 | 1.7 MB |