Is the Quad coupling K, carbon steel compatible with both L (light) and S (heavy) series fittings per DIN 2353 24Â° socket with external metric threads?

Yes. The Quad coupling K, carbon steel (24Â° DIN 2353 socket with external metric threads) is compatible with both L (light) and S (heavy) series fittings per DIN 2353. The product description explicitly lists availability as L (light series) and S (heavy series), and the standardized 24Â° DIN 2353 socket with external metric threads ensures mechanical and sealing compatibility across those series when used within the normâs specified size and pressure ranges. Ensure you match the correct series size, thread specification, and material/pressure rating for the application.

Does the Quad coupling K, carbon steel meet pressure ratings for both L (light) and S (heavy) series under DIN 2353 24Â° socket specs?

Yes. Quad coupling K, carbon steel, if manufactured to DIN 2353 24Â° socket specifications and offered in both L (light) and S (heavy) series, meets the corresponding pressure ratings for each series. DIN 2353 defines the dimensional and pressure-rating classes for L and S series fittings; a Quad coupling K produced to those standards and in the specified material (carbon steel, galvanized) is intended to be used within the pressure limits assigned to the L series and the higher limits assigned to the S series respectively. Ensure the specific product certification or datasheet confirms conformity to DIN 2353 and the applicable series pressure ratings before use.

Can the Quad coupling K, carbon steel be used with galvanized fittings in corrosive environments?

No. Quad coupling K, carbon steel (galvanized) is not recommended for use with galvanized fittings in corrosive environments without additional protection or material change. Explanation: The Quad coupling K, carbon steel is supplied galvanized to improve corrosion resistance, but galvanizing is a sacrificial coating that can fail in aggressive or highly corrosive atmospheres (chlorides, acids, coastal/salt spray, or industrial chemicals). When two galvanized steel parts are used together in such environments, risks include accelerated coating breakdown, underfilm corrosion, and localized galvanic effects where damaged areas corrode rapidly. Additionally, threaded assemblies and compression surfaces in DIN 2353-style connectors rely on precise sealing and mechanical integrity; corrosion can compromise threads, seals and clamping faces, causing leaks or failures. Recommendations: - For corrosive environments, choose corrosion-resistant base materials (stainless steel grades compatible with hydraulic fittings) rather than relying on galvanizing. - If carbon steel must be used, apply enhanced protective measures: specify thicker or specialized coatings, incorporate sacrificial anodes, or use corrosion-inhibiting fluids and regular maintenance/inspection schedules. - Ensure compatibility of all mating fittings (prefer same material/coating) to avoid dissimilar-metal corrosion. - Consult manufacturerâs specifications and perform site-specific corrosion assessment before installation. Conclusion: Galvanized Quad coupling K, carbon steel may be acceptable in mild environments, but for corrosive conditions use stainless steel or other corrosion-resistant options and verify compatibility with mating fittings.

Cross fitting K, carbon steel

Additional information

Material	CS – steel (cast iron)

Fitting DIN 2353 cross, type K: 24° DIN 2353 socket with metric male thread. Available as: L (series light), S (series heavy). Material: carbon steel, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HD-K-06L	Fitting DIN 2353 K 6L	-	315	In stock	Enquiry
HD-K-06S	Fitting DIN 2353 K 6S	-	630	In stock	Enquiry
HD-K-08L	Fitting DIN 2353 K 8L	-	315	In stock	Enquiry
HD-K-08S	Fitting DIN 2353 K 8S	-	630	In stock	Enquiry
HD-K-10L	Fitting DIN 2353 K 10L	-	315	In stock	Enquiry
HD-K-10S	Fitting DIN 2353 K 10S	-	630	In stock	Enquiry
HD-K-12L	Fitting DIN 2353 K 12L	-	315	In stock	Enquiry
HD-K-12S	Fitting DIN 2353 K 12S	-	630	In stock	Enquiry
HD-K-14S	Fitting DIN 2353 K 14S	-	630	In stock	Enquiry
HD-K-15L	Fitting DIN 2353 K 15L	-	315	In stock	Enquiry
HD-K-16S	Fitting DIN 2353 K 16S	-	400	In stock	Enquiry
HD-K-18L	Fitting DIN 2353 K 18L	-	315	In stock	Enquiry
HD-K-20S	Fitting DIN 2353 K 20S	-	400	In stock	Enquiry
HD-K-22L	Fitting DIN 2353 K 22L	-	160	In stock	Enquiry
HD-K-25S	Fitting DIN 2353 K 25S	-	400	In stock	Enquiry
HD-K-28L	Fitting DIN 2353 K 28L	-	160	In stock	Enquiry
HD-K-30S	Fitting DIN 2353 K 30S	-	400	In stock	Enquiry
HD-K-35L	Fitting DIN 2353 K 35L	-	160	In stock	Enquiry
HD-K-38S	Fitting DIN 2353 K 38S	-	315	In stock	Enquiry
HD-K-42L	Fitting DIN 2353 K 42L	-	160	In stock	Enquiry

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Fitting DIN 2353 cross, type K: 24° DIN 2353 socket with metric male thread. Available as: L (series light), S (series heavy). Material: carbon steel, galvanized.