Is the End 45° ORFS Interlock Female UNF, Carbon Steel compatible with hose types 4SH, R13, and R15 for high-pressure applications?

Yes. The End 45° ORFS Interlock Female UNF, Carbon Steel is compatible with hose types 4SH, R13, and R15 for high‑pressure applications. It is specifically engineered for those hose types, offers a secure interlock design and flat UNF sealing for leak‑free performance, and is made of carbon steel with galvanization for corrosion resistance and durability under extreme pressures typical of heavy‑duty hydraulic systems.

Can End 45° ORFS Interlock Female UNF, Carbon Steel withstand corrosive environments and what protective measures are recommended?

End 45° ORFS Interlock Female UNF, Carbon Steel can withstand many corrosive environments but with limitations. The fitting is made of high‑quality carbon steel with a protective galvanization layer, which provides good baseline corrosion resistance and extends service life in moderately corrosive atmospheres (e.g., general industrial, outdoor exposure, light chemicals). However, carbon steel—even galvanized—is vulnerable to aggressive media (strong acids, alkalis, chlorides/sea water, prolonged high humidity environments) and to mechanical damage that can breach the protective coating. Recommended protective measures: - Specify a more corrosion‑resistant material (stainless steel) for severe or marine environments. - Apply thicker or specialized coatings/platings (e.g., zinc-nickel, epoxy, or duplex systems) if switching material is not possible. - Use additional external protection: paint, sleeves, or sacrificial anodes in high‑salinity areas. - Ensure proper installation and avoid scratches/damage to the galvanization; inspect sealing surfaces carefully. - Implement routine inspection and maintenance: check for coating degradation, corrosion spots, and leaks; replace fittings showing significant corrosion. - Control the fluid/media compatibility: confirm hydraulic fluid and any contaminants are compatible with carbon steel and the galvanization. - Consider environmental controls: reduce exposure to corrosive vapors, moisture, or contaminants where feasible. In summary, the End 45° ORFS Interlock Female UNF, Carbon Steel is suitable for many demanding hydraulic applications but for aggressive corrosive environments adopt enhanced coatings, material upgrades (stainless steel), and proactive maintenance.

End 45° ORFS Interlock Female UNF, Carbon Steel

All products, Fittings for high-pressure hoses/

Additional information

Material	CS – steel (cast iron)

The 45° ORFS INTERLOCK fitting with internal UNF thread and flat sealing is a highly reliable solution designed for demanding hydraulic applications. Engineered for use with hose types 4SH, R13, and R15, it ensures maximum safety and durability even under extreme pressure conditions. Manufactured from high-quality carbon steel and finished with a protective galvanization layer, the fitting offers excellent resistance to corrosion, extending its service life and maintaining consistent performance. The interlock design provides a secure and leak-free connection, making it ideal for heavy-duty machinery, construction equipment, and industrial systems where efficiency and reliability are critical. Its precise 45° angle allows for flexible installation in confined spaces, while the flat sealing technology guarantees optimal tightness and reduced maintenance needs. This fitting combines strength, precision, and long-term protection, delivering a professional solution that supports uninterrupted operation in the most challenging environments.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
TI-ILOW310-19-12	End. ORFS 45° INTERLOCK G1/16", hose 3/4"	20	-
TI-ILOW310-23-16	End. ORFS 45° INTERLOCK G1.7/16", hose 1"	25	-
TI-ILOW310-27-20	End. ORFS 45° INTERLOCK G1.11/16", hose 1.1/4"	32	-
TI-ILOW310-32-24	End. ORFS 45° INTERLOCK G1/2", hose 1.1/2"	38	-

The 45° ORFS INTERLOCK fitting with internal UNF thread and flat sealing is a highly reliable solution designed for demanding hydraulic applications. Engineered for use with hose types 4SH, R13, and R15, it ensures maximum safety and durability even under extreme pressure conditions. Manufactured from high-quality carbon steel and finished with a protective galvanization layer, the fitting offers excellent resistance to corrosion, extending its service life and maintaining consistent performance. The interlock design provides a secure and leak-free connection, making it ideal for heavy-duty machinery, construction equipment, and industrial systems where efficiency and reliability are critical. Its precise 45° angle allows for flexible installation in confined spaces, while the flat sealing technology guarantees optimal tightness and reduced maintenance needs. This fitting combines strength, precision, and long-term protection, delivering a professional solution that supports uninterrupted operation in the most challenging environments.