Is the T-piece L-screw connector DIN 2353, adjustable metric FG, carbon steel, Zn-Ni, TL-MG compatible with ISO 6149-G O-ring sealing and rated for high-pressure hydraulic systems?

Yes. The T-piece L-screw connector DIN 2353, adjustable metric FG, carbon steel, Zn-Ni, TL-MG is compatible with ISO 6149-G O-ring sealing and is rated for high-pressure hydraulic systems. It features a 24° DIN 2353 socket with external metric thread and an adjustable external metric thread with ISO 6149-G O-ring and retaining ring, providing secure, leak-free performance under high pressure. The coupling is manufactured from carbon steel, finished with a 6–10 µm zinc-nickel coating for excellent corrosion resistance (up to 720 hours salt spray), and is designed with a 4:1 safety factor. Available in L (light) and S (heavy) series, it suits a wide range of demanding hydraulic applications.

Does the T-piece L-screw connector DIN 2353, adjustable metric FG, carbon steel, Zn-Ni, TL-MG require special maintenance after extended exposure to saline or corrosive environments?

The T-piece L-screw connector DIN 2353, adjustable metric FG, carbon steel, Zn-Ni, TL-MG is finished with a 6–10 µm zinc‑nickel coating proven to resist corrosion for up to 720 hours in salt spray testing, so it is specifically engineered for extended exposure to saline or corrosive environments. Under normal conditions this finish minimizes the need for special maintenance beyond standard inspection routines: periodic visual checks for damage to the coating, verification of sealing elements (O‑ring and retaining ring) for wear or chemical degradation, and routine functional leak tests. However, after prolonged or extreme exposure to highly aggressive media, mechanical abrasion, or if the coating is scratched or compromised, additional measures are recommended: clean the fitting with compatible, non‑corrosive solvents, replace damaged O‑rings, re‑inspect threads and sealing surfaces, and consider recoating or replacement if corrosion or substrate attack is detected. For critical systems, follow a scheduled inspection interval based on operating conditions and fluid chemistry, and adhere to manufacturer guidelines for replacement limits.

T-piece L-screw connector DIN 2353, adjustable metric FG, carbon steel, Zn-Ni, TL-MG

Additional information

Material	CS – steel (cast iron)

The DIN 2353 adjustable screw coupling L, type TL-MG, is a high-performance connection element designed for demanding hydraulic applications. Featuring a 24° DIN 2353 socket with external metric thread and an adjustable external metric thread with ISO 6149-G sealing (O-ring with retaining ring), it ensures secure and leak-free operation even under high pressure. With a robust safety factor of 4:1, it is available in both L (light series) and S (heavy series), offering flexibility for a wide range of system requirements. Manufactured from premium carbon steel and finished with an advanced zinc-nickel coating of 6–10 µm, the coupling provides exceptional durability and outstanding corrosion resistance, proven to withstand up to 720 hours in a salt spray chamber without visible corrosion. This makes it an ideal solution for industries where reliability, longevity, and resistance to harsh environments are critical. Its precise design and superior surface protection guarantee consistent performance, reduced maintenance, and long-term cost efficiency.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HD-TL-06L-MG-10-CN	DIN 2353 fitting TL 6L M10x1, Zn-Ni	-	315	In stock	Enquiry
HD-TL-06S-MG-12-CN	DIN 2353 fitting TL 6S M12x1.5, Zn-Ni	-	400	In stock	Enquiry
HD-TL-08L-MG-12-CN	DIN 2353 connector TL 8L M12x1.5, Zn-Ni	-	315	In stock	Enquiry
HD-TL-08S-MG-14-CN	DIN 2353 connector TL 8S M14x1.5, Zn-Ni	-	400	In stock	Enquiry
HD-TL-10L-MG-14-CN	DIN 2353 fitting TL 10L M14x1.5, Zn-Ni	-	315	In stock	Enquiry
HD-TL-10S-MG-16-CN	DIN 2353 fitting TL 10S M16x1.5, Zn-Ni	-	400	In stock	Enquiry
HD-TL-12L-MG-16-CN	DIN 2353 fitting TL 12L M16x1.5, Zn-Ni	-	315	In stock	Enquiry
HD-TL-12S-MG-18-CN	DIN 2353 connector TL 12S M18x1.5, Zn-Ni	-	400	In stock	Enquiry
HD-TL-15L-MG-18-CN	DIN 2353 fitting TL 15L M18x1.5, Zn-Ni	-	315	In stock	Enquiry
HD-TL-18L-MG-22-CN	DIN 2353 fitting TL 18L M22x1.5, Zn-Ni	-	315	In stock	Enquiry

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The DIN 2353 adjustable screw coupling L, type TL-MG, is a high-performance connection element designed for demanding hydraulic applications. Featuring a 24° DIN 2353 socket with external metric thread and an adjustable external metric thread with ISO 6149-G sealing (O-ring with retaining ring), it ensures secure and leak-free operation even under high pressure. With a robust safety factor of 4:1, it is available in both L (light series) and S (heavy series), offering flexibility for a wide range of system requirements. Manufactured from premium carbon steel and finished with an advanced zinc-nickel coating of 6–10 µm, the coupling provides exceptional durability and outstanding corrosion resistance, proven to withstand up to 720 hours in a salt spray chamber without visible corrosion. This makes it an ideal solution for industries where reliability, longevity, and resistance to harsh environments are critical. Its precise design and superior surface protection guarantee consistent performance, reduced maintenance, and long-term cost efficiency.