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STL family – continuous innovation and proven design

STL Valve family

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.

What the STL family includes

SSTC: Stop Valves

SREG: Regulating and Expansion Valves

SFIA: Filters

SCHV: Check Valves

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

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 .pdf
Data sheet Hand operated regulating valve, type SREG-SA and SREG-SB 15-40 English Multiple 28 Aug, 2025 2.3 MB .pdf
Installation guide Hand operated regulating valves, type SREG-SA and SREG-SB DN15-40 English Multiple 11 Jun, 2025 846.3 KB .pdf
Data sheet Shut-off valves, Type SSTC English Multiple 29 Aug, 2025 2.2 MB .pdf
Installation guide Shut-off valves, type SSTC/STC 15-150 (½-6 in.) English Multiple 28 Aug, 2025 1.6 MB .pdf
Catalog STL Sales Code Overview English Multiple 29 Aug, 2025 205.9 KB .pdf
Data sheet Stop/Check valve and Check valve, type SSCAand SCHV English Multiple 29 Aug, 2025 8.3 MB .pdf
Data sheet Strainer, type SFIA English Multiple 28 Aug, 2025 1.9 MB .pdf
Installation guide Strainer, type SFIA 15-100 English Multiple 27 May, 2025 1.7 MB .pdf