YUYAO DUOLI HYDRAULIC CO., LTD.
YUYAO DUOLI HYDRAULIC CO., LTD.

Hydraulic Hose Fittings

When performance, compatibility, and value matter most, Duoli Hydraulic Fittings deliver. Designed to integrate seamlessly with Duoli’s world-class hoses and rigorously tested with other leading global brands, our high pressure hose fittings provide unmatched reliability, strength, and versatility — without the premium price.

Duoli Hydraulic Fittings - Precision Engineered & Market Proven.

Engineered for All Applications

Duoli fittings offer a complete solution for every hose type — from braided to spiral, low pressure to ultra-high pressure. Whether you're outfitting OEM equipment or performing field replacements, our custom hydraulic fittings ensure precision-fit performance across all your needs.

Non-Skive Convenience

Forget messy, time-consuming prep. Our Non-Skive Design of the hydraulic tube fittings eliminates the need to remove hose covers, speeding up installation while preserving hose integrity.

Tested to Outlast

Our industrial hydraulic fittings surpasses 400,000 impulse cycles for braided hoses

Achieves up to 1.2 million cycles for spiral hoses

This level of endurance not only rivals but often exceeds leading competitors — delivering proven durability where it matters most.

Flexible Options

Duoli hydraulic fittings for sale are available in both two-piece and one-piece configurations, providing adaptable solutions for diverse application needs while ensuring secure connections and efficient hose assembly.

Duoli Corrosion-Resistant Plating Technology of Hydraulic Adapter Fittings

Duoli stainless hydraulic fittings are engineered with advanced anti-corrosion plating systems to significantly extend service life in harsh environments. Our zinc-nickel plating delivers corrosion resistance up to 11 times greater than the SAE J516 standard, which requires only 144 hours of salt spray resistance. Even our standard zinc-coated fittings perform 3 times above industry norms.


Just as hydraulic hoses rely on robust outer covers to shield their internal reinforcements, steel hydraulic tubing fittings require high-performance surface treatments to prevent environmental degradation. Without proper plating, oxidation leads to red rust, which can:


√ Contaminate entire hydraulic fluid systems

√ Degrade fitting integrity and critical sealing surfaces

√ Cause leakage or premature failure

√ Complicate routine maintenance and disassembly

Why Choose Duoli Hydraulic Fittings?

Why Choose Duoli Hydraulic Fittings?

√ Complete Range – Fully compatible with all hose types

√ Non-Skive Design – Clean, quick, and safe installation

√ Superior Life Cycle Testing – Rated for up to 1.2 million impulse cycles

√ One-Piece & Two-Piece Configurations – Flexible solutions for every assembly need

√ Cross-Brand Compatibility – Independently validated to outperform competitors

√ Patent-Pending Design – Engineered to deliver a measurable performance edge

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