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

Hose Fittings Adapters

Hydraulic fitting adapters are different hydraulic components (pumps, pipelines, directional valves, shut-off valves, hydraulic motors, hydraulic cylinders, and some auxiliary components, such as level gauges, thermometers, pressure gauges, and so on) connected to form a closed circuit of the hydraulic system is to play a role in connecting an accessory. Hydraulic fittings can withstand the high strength of the pressure, if the hydraulic oil fittings have sand holes, small holes or the pressure is too high to withstand such a large pressure and the impact of the burst is quite large. Hydraulic fitting adapters are widely used in the military, energy, petrochemical, electric power, ships, automobiles, rail transport, construction machinery, mining, metallurgy, steel mills, marine engineering and other industries in the hydraulic piping system.

Types of Hose Fittings Adapters

JIC MALE 37°CONE

The JIC Male 37° Cone fitting is a key hydraulic component. Its 37° cone design ensures a secure, leak-resistant, and low-turbulence connection under high pressure, offering versatility and reliability across industrial and mobile equipment applications.

ELBOW JIC MALE 37° CONE

The ELBOW JIC MALE 37° CONE is a standardized hydraulic fitting. Its 37° cone ensures a secure, leak-proof seal, while the elbow design allows for a directional change, providing reliable and efficient fluid connections in diverse industrial systems.

JIC MALE 37° CONE TEE

The JIC Male 37° Cone Tee is a T-shaped hydraulic fitting. It features a male 37° cone for a secure, leak-proof connection and allows fluid flow to be divided into two directions, essential for branching or merging lines in industrial systems.

JIC MALE 37° CONE/BSPT MALE

The JIC Male 37° Cone/BSPT Male fitting is a versatile hydraulic connector. It combines a JIC 37° cone for a metal-to-metal seal with BSPT tapered threads, ensuring a secure, leak-proof, and durable connection in high-pressure fluid systems.

ELBOW JIC MALE 37° CONE/BSPT MALE

The ELBOW JIC MALE 37° CONE/BSPT MALE fitting is a key hydraulic connector. It provides a secure, leak-proof connection using its JIC 37° cone and BSPT tapered threads, enabling reliable directional changes in demanding industrial fluid systems.

45° ELBOW JIC MALE 37° CONE/BSPT MALE

The 45° Elbow JIC Male 37° Cone/BSPT Male fitting is a specialized hydraulic connector. It enables smooth directional flow changes, providing a secure, leak-proof seal through its JIC 37° cone and BSPT tapered threads for reliable performance.

Uncompromising Quality & Superior Materials of Hose Fittings Adapters

Aircraft-Grade Materials

As one of the leading hose adapter manufacturers, we use certified steel, stainless steel, brass, and other alloys that meet or exceed international standards (e.g., SAE, DIN, JIS). Our materials are rigorously tested for hardness, tensile strength, and corrosion resistance.

Precision Engineering

All Duoli hydraulic hose adapters are manufactured with CNC machining to exacting tolerances. This ensures a perfect fit, eliminating leakage paths and withstanding extreme pressure spikes and vibration.

Why Choose Duoli Hose Fittings Adapters?

Why Choose Duoli Hose Fittings Adapters?

We offer the most comprehensive hose adapter types in the industry. From common JIC, NPT, and SAE flanges to BSP male connector(BSPP, BSPT), ORFS, and Metric standards, we have the fitting you need.


Simplify your sourcing and reduce procurement complexity. Whether you need elbows, tees, crosses, reducers, or custom designs, Duoli, among hose adapter manufacturers, is your single, reliable source for all connection points.


We offer a range of surface treatments like zinc-nickel plating, black oxide, and passivation to provide superior corrosion protection, extending the life of your components and your entire system of hose fittings adapters.

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