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Durable Hydraulic Pipeline Fittings for Reliable Fluid Power Systems

XYOON is a China-based manufacturer and supplier of hydraulic pipeline fittings, specializing in mass production, engineering support, and OEM customization of a comprehensive range of high-pressure hydraulic pipeline components. The product line encompasses four core categories—ferrules, connectors, 37° flared flanges, and hydraulic sleeves—all strictly manufactured in accordance with ISO, DIN, and SAE international industry standards.


What industry challenges does this solve?

1. Resolves issues with fragmented procurement and incompatible specifications across multiple fitting categories.

Hydraulic engineering firms often deal with multiple suppliers for connectors, flanges, and fasteners. Inconsistent tolerances between brands frequently lead to assembly difficulties, poor sealing, and thread mismatches. XYOON’s entire range of hydraulic pipeline fittings utilizes unified manufacturing standards and tolerance systems. All categories are mutually compatible and interchangeable, enabling one-stop procurement while significantly reducing communication costs and on-site assembly rework rates.

2. Addresses long-term leakage and frequent maintenance needs in high-pressure, high-vibration environments.

Standard market fittings often rely on conventional machining, resulting in uneven hardness and imprecise sealing surfaces—making them prone to loosening and leakage under sustained high-pressure surges and equipment vibration. XYOON products undergo precision cold forging and hardening treatments; their stable sealing and bite structures withstand long-term pressure fluctuations and high-frequency vibrations, effectively reducing the frequency of equipment downtime for maintenance.

3. Solves pain points related to diverse operating conditions and limited material options.

To accommodate varied environments—ranging from standard inland conditions and coastal salt-spray areas to corrosive chemical settings and heavy-duty, high-temperature/high-pressure applications—the product line offers material choices including carbon steel, 304 stainless steel, and 316L stainless steel. We support both standard off-the-shelf products and custom non-standard designs to meet the specific operational requirements of equipment across various industries.


Product Category Overview

1. Hydraulic Ferrule

Serving as the core bite component for pipeline sealing, these are available in single-ferrule and double-ferrule configurations. They utilize metal plastic deformation to grip the outer wall of the steel tube, creating a rigid sealing point. Its primary functions are to secure the position of the tubing, absorb equipment vibration, and prevent high-pressure fluid leakage. Compatible with various precision hydraulic lines, instrumentation piping, and high-pressure control systems, it serves as a critical component for ensuring the security and leak-tightness of the entire piping assembly.

2. Hydraulic Fitting

Available in a full range of configurations—including straight connectors, tees, elbows, and reducers—these fittings are primarily used for connecting, branching, redirecting, and transitioning pipe diameters. They manage the piping layout and fluid distribution across the hydraulic system, making them suitable for routing in tight spaces, multi-branch distribution, and retrofitting connections between new and old equipment; they are fundamental, versatile components for hydraulic system architecture.

3. SAE 37-Degree Flare Flange

Specifically designed for large-diameter, high-flow, and ultra-high-pressure heavy-duty piping, this component utilizes a 37° metal-to-metal flared seal structure. It allows for weld-free assembly and repeated disassembly for maintenance. Widely used in the main oil circuits of construction machinery, offshore platform hydraulic systems, and wind turbine control lines, it solves industry challenges such as welding deformation in large-diameter pipes, cumbersome flaw detection, and the inability to perform subsequent maintenance.

4. Hydraulic Sleeve

Serving as an auxiliary component for reinforcement, positioning, and protection, it is primarily used for pipe-end strengthening, gap filling, wear protection, and precise positioning. It effectively prevents pipe wall damage caused by long-term friction and vibration-induced wear while optimizing assembly clearances to ensure uniform engagement between the fitting and the ferrule, thereby enhancing the structural stability and service life of the entire piping system.


What are the differentiating advantages?

1. Unified forged base for superior structural stability

All core components are manufactured from integral forged blanks rather than standard turned stock. The internal microstructure is dense and free of porosity or sand holes, offering high-pressure resistance and fatigue strength far superior to standard castings—making them ideal for industrial applications requiring continuous, long-term operation.

2. Precision CNC machining across all sizes for enhanced interchangeability

All threads, tapered surfaces, and sealing areas are precision-machined in a single CNC operation with strict tolerance controls. Fully compliant with international standards, these components are seamlessly interchangeable with piping fittings from major global brands, making them suitable for export equipment and overseas engineering retrofit projects. 

3. Batch-by-batch performance sampling to eliminate batch-to-batch variation

Every batch of hydraulic pipeline fittings undergoes high-pressure hold testing, sealing performance checks, and hardness sampling verification. This eliminates quality fluctuations between batches, ensures consistent performance across mass-produced products, and makes them ideal for long-term, stable supply to OEMs.


Which industrial sectors are they suitable for?

The full range of hydraulic pipeline fittings is suitable for diverse sectors, including construction machinery, rail transit, marine and shipbuilding, offshore wind power, oil and gas extraction, metallurgy and heavy industry, automation equipment, and precision medical hydraulic systems. They are suitable for pre-installation on new machinery, as well as for pipeline replacement and system upgrades on existing equipment. Additionally, we support bulk export stocking, supply for engineering tenders, and non-standard customization for specialized operating conditions.


Why choose XYOON?

1. One-stop service for a complete range of specifications

We maintain ready stock across the full range of hydraulic pipeline fittings and support mixed-batch ordering. This eliminates the need to coordinate with multiple suppliers, significantly simplifying the procurement process and reducing the burden of inventory management.

2. Customized R&D and machining services

We support the customization of non-standard fittings with special dimensions, angles, and materials. We can optimize structural designs based on equipment blueprints to solve complex assembly challenges involving non-standard piping.

3. Comprehensive documentation and certification

For bulk orders, we provide material certificates, factory inspection reports, and compliance documentation to meet requirements for overseas customs clearance, project acceptance, and factory audit records.

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Rigid Pipe Hydraulic Fitting

Rigid Pipe Hydraulic Fitting

Ningbo XYOON supplies full-line rigid pipe hydraulic fittings for seamless steel tubing: bite-type, weldable & 37° flare types. Weld-free assembly cuts 60% on-site labor, zero weld slag contamination, rated up to 630bar. Carbon steel & SS316L options, DIN/SAE compliant. Factory direct, custom sizes available, exported to 35+ countries.
Reducer Hydraulic Fitting

Reducer Hydraulic Fitting

Ningbo XYOON manufactures precision one-piece solid-bar Reducer Hydraulic Fittings with smooth tapered bore, delivering 35% lower pressure drop, ≤0.05mm concentricity and 1M+ impulse cycle life. Carbon steel, SS304 & SS316L options, DIN/NPT/BSPP compliant. Factory direct supply, custom diameter ratios available, exported to 35+ countries worldwide.
Crimp Hydraulic Fitting

Crimp Hydraulic Fitting

Ningbo XYOON manufactures high-strength crimp hydraulic fittings with multi-barb stem and thick seamless sleeve. Zero pull-out risk, 1M+ impulse cycles, permanent leak-tight hose connections. DIN/JIC/NPT/BSP standards, carbon steel & SS316L options. Factory direct, full crimp data provided, exported to 35+ countries.
Hose Hydraulic Fitting

Hose Hydraulic Fitting

Ningbo XYOON manufactures precision Hose Hydraulic Fittings with optimized barb profile and thick-wall crimp sleeve. Zero pull-out risk, leak-tight sealing, up to 400bar working pressure. DIN 24°, JIC 37°, NPT & BSP standards, carbon steel & SS316L options. Factory direct, matched crimp data provided, exported to 35+ countries.
Transition Hydraulic Fitting

Transition Hydraulic Fitting

As a professional manufacturer and supplier of transition hydraulic fittings, XYOON specializes in producing precision, one-piece fittings that enable solder-free connections between various international thread standards and withstand pressures up to 630 bar. We offer options in carbon steel and stainless steel, as well as custom services for non-standard threads. With direct factory supply and global shipping, our products are ideal for high-pressure, heavy-duty hydraulic systems in sectors such as mining, heavy industry, and offshore platforms, serving as essential components for cross-standard piping retrofits and equipment integration.
Heavy Duty Hydraulic Pipeline Ferrule

Heavy Duty Hydraulic Pipeline Ferrule

Ningbo XYOON S-series Heavy Duty Hydraulic Pipeline Ferrule for DIN 2353 24° cone fittings. Carbon steel & SS316L options, rated up to 630bar, double-blade bite design for extreme pressure, vibration and impulse resistance. 100% interchangeable with global brands. Factory direct supply, free samples available, shipped worldwide.
XYOON is a professional Hydraulic Pipeline Fittings manufacturer and supplier in China. We warmly welcome you to wholesale high quality products at competitive price from our factory.
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