Can DKOL 45° Hydraulic Fitting, ZMW321, Light Series, Carbon Steel, Zn-Ni Coated be used with hoses operating above standard hydraulic temperature ranges?

DKOL 45° Hydraulic Fitting, ZMW321, Light Series, Carbon Steel, Zn-Ni Coated Format — short answer: generally no, not without verifying hose and assembly limits. Why: the product description highlights mechanical design (45° DKOL 24° cone with O‑ring, internal metric thread and nut), suitability for crimped assemblies, robust carbon steel body and high‑performance Zn‑Ni coating (6–10 µm, ~720 h salt spray). These features indicate excellent corrosion resistance and reliable sealing under standard hydraulic conditions. Limitation: the description does not specify temperature ratings for the fitting materials, the O‑ring elastomer, or compatible hose types. Hydraulic systems operating above standard temperature ranges (e.g., elevated continuous or peak temperatures) require confirmed compatibility of all components — hose cover, reinforcement, hose liner, crimp sleeve, and seal material — with those temperatures. Elevated heat can degrade O‑rings, soften hose liners, alter metal tolerances and reduce crimp integrity, causing leaks or failures despite the fitting’s corrosion protection. Recommendation: consult hose manufacturer temperature limits and the specific O‑ring material used, and obtain the fitting’s certified temperature range from the supplier. If high‑temperature service is required, choose O‑rings and hoses rated for the target temperature and verify crimp sleeve specifications for elevated‑temperature use.

DKOL 45° Hydraulic Fitting, ZMW321, Light Series, Carbon Steel, Zn-Ni Coated

Q: Is the DKOL 45° Hydraulic Fitting, ZMW321, Light Series, Carbon Steel, Zn-Ni Coated compatible with standard crimping sleeves for rubber and thermoplastic hoses?

Yes. The DKOL 45° Hydraulic Fitting, ZMW321, Light Series, Carbon Steel, Zn-Ni Coated is designed for use with crimping sleeves specific to the hose material (rubber and thermoplastic). It features a classic hydraulic tail for secure hose connection and an internal metric thread with nut sealing via an O‑ring on a 24° cone (DKOL), and is explicitly optimized for crimping sleeves tailored to particular hose types, ensuring a durable, leak‑free assembly.

All products, Fittings for high-pressure hoses/

Additional information

Material	CS – steel (cast iron)

The standard hydraulic end fitting type Z is engineered with a classic hydraulic tail for secure hose connection and features an internal metric thread with nut, ensuring reliable sealing through an O-ring on a 24° cone (DKOL). Its 45° angled, lightweight series design makes it highly versatile and easy to integrate into a wide range of hydraulic and industrial applications. Optimized for use with crimping sleeves tailored to specific hose types, it guarantees a durable and leak-free assembly. Manufactured from robust carbon steel and finished with an advanced zinc-nickel coating of 6–10 µm, the fitting delivers exceptional protection against corrosion, withstanding up to 720 hours in salt spray testing. This combination of precision engineering, superior surface treatment, and proven durability ensures long-lasting performance, making it a reliable choice for demanding environments where efficiency, safety, and resistance to wear are essential.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TI-ZMW321-12-03-CN	End. 45° G1/2 M12x1.5, hose 3/16", 24°, o-ring, lightweight, Zn-Ni	5	-	In stock	Enquiry
TI-ZMW321-14-04-CN	End. 45° GW M14x1.5, hose 1/4", 24° o-ring, lightweight, Zn-Ni	6	-	In stock	Enquiry
TI-ZMW321-16-04-CN	End. 45° G thread M16x1.5, hose 1/4", 24°, o-ring, lightweight, Zn-Ni	6	-	In stock	Enquiry
TI-ZMW321-16-05-CN	End fitting 45° GW M16x1.5, hose 5/16", 24°, o-ring, lightweight, Zn-Ni	8	-	In stock	Enquiry
TI-ZMW321-16-06-CN	End. 45° G thread M16x1.5, hose 3/8", 24°, o-ring, lightweight, Zn-Ni	10	-	In stock	Enquiry
TI-ZMW321-18-06-CN	End. 45° GW M18x1.5, hose 3/8", 24°, o-ring, lightweight, Zn-Ni	10	-	In stock	Enquiry
TI-ZMW321-22-08-CN	End. 45° G thread M22x1.5, hose 1/2", 24°, o-ring, lightweight, Zn-Ni	12	-	In stock	Enquiry
TI-ZMW321-26-10-CN	End. 45° GW M26x1.5, hose 5/8", 24°, o-ring, lightweight, Zn-Ni	16	-	In stock	Enquiry
TI-ZMW321-30-12-CN	End. 45° G thread M30x2, hose 3/4", 24°, o-ring, lightweight, Zn-Ni	20	-	In stock	Enquiry
TI-ZMW321-36-16-CN	End. 45° GW M36x2, hose 1", 24°, o-ring, lightweight, Zn-Ni	25	-	In stock	Enquiry
TI-ZMW321-45-20-CN	End fitting 45° G1.5 M45x2, hose 1.1/4", 24°, o-ring, lightweight, Zn-Ni	32	-	In stock	Enquiry
TI-ZMW321-52-24-CN	End fitting 45° GW M52x2, hose 1.1/2", 24° o-ring, lightweight, Zn-Ni	38	-	In stock	Enquiry

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The standard hydraulic end fitting type Z is engineered with a classic hydraulic tail for secure hose connection and features an internal metric thread with nut, ensuring reliable sealing through an O-ring on a 24° cone (DKOL). Its 45° angled, lightweight series design makes it highly versatile and easy to integrate into a wide range of hydraulic and industrial applications. Optimized for use with crimping sleeves tailored to specific hose types, it guarantees a durable and leak-free assembly. Manufactured from robust carbon steel and finished with an advanced zinc-nickel coating of 6–10 µm, the fitting delivers exceptional protection against corrosion, withstanding up to 720 hours in salt spray testing. This combination of precision engineering, superior surface treatment, and proven durability ensures long-lasting performance, making it a reliable choice for demanding environments where efficiency, safety, and resistance to wear are essential.