One-stop Hose Fittings & Couplings Supplier and Manufacturer
NL Fittingtech is a one-stop Hose fittings & quick couplings supplier and manufacturer, providing high quality hose fittings, tube fittings and quick couplings for a wide variety of industrial markets.
With 20+ years experience rooted in the hose fittings fields, We focus on develop complete sets of fitting solutions, and empower our customer with a diversified matrix of high-quality hose fittings & quick couplings.
Instrumentation Fittings are available in stainless steel 304 & 316.
PFA Tube Fittings are used in ultra-high purity (UHP) or corrosive chemical handling systems,
Fluorine-lined Quick Coupling the body with SS304, 316, 316L and anti-static liners with PFA/ETFE.
Cam Lock are available in stainless steel 304 & 316, and with Fluorine-lined .
The three-piece all-inclusive ball valve is a hygienic ball valve that is easy to install, disassemble and clean.
Customized Fittings are available in steel & stainless steel 304, 316.
Small hose fittings, powerful function
The core function of hydraulic hose fittings is to reliably connect and seal the hose with equipment, valves, or other tube fittings in high-pressure hydraulic systems, ensuring leak-free, directional transmission of high-pressure oil.
First, they provide connectivity and flow guidance. As the “blood vessels” of the hydraulic system, the hydraulic hose fittings feature continuous, smooth internal flow channels that seamlessly connect the hydraulic hose to system components, guiding the efficient, low-resistance flow of hydraulic oil, ensuring smooth power transmission and minimizing pressure loss.
Second, it provides a critical sealing function, the core value of the hose fitting. By utilizing threaded seals, O-ring face seals, 24° cone (compression fit), or flat gasket seals, the hose fitting creates a strong sealing barrier at the interface with the port. This design can withstand extremely high rated system operating pressures (e.g., above 35 MPa), effectively preventing high-pressure oil leakage. This not only ensures stable system pressure, but also prevents environmental contamination and eliminates safety hazards.
Third, it provides “bite-the-wire” locking function. To prevent hydraulic hoses from dislodging due to pulsating pressure and equipment vibration, crimp-style hydraulic fittings utilize internal locking mechanisms (such as the undercut teeth on the sleeve, the cutting edge of the ferrule, or the flanged clamp) to securely engage the hose’s outer steel wire reinforcement. This provides excellent pullout and fatigue resistance, ensuring the connection is permanently secure even in harsh operating conditions.
Finally, there’s the interface conversion feature. Hydraulic hose fitting feature a hose end and standard threads (such as metric, imperial, and NPT) on the other. This allows for flexible adaptation to pump, valve, and cylinder ports of different national standards or brands, becoming an essential adapter and conversion hub in the system, greatly enhancing system compatibility and modularity.
In summary, while small hydraulic hose fittings, through their precise connection, sealing, locking, and conversion functions, safeguard the safe and efficient operation of the entire hydraulic power system.
Cam Lock: Quick Connection, Deep Value
The value of quick couplings Cam Lock goes far beyond simply connecting pipes. They address three key pain points: efficiency, cost, and safety, directly translating into substantial business benefits.
For user, this means significant savings in labor and time. Traditional flange connections require tools and significant tightening time, while Cam Lock’s manual operation reduces each connection and disconnection to mere seconds, allowing your team to focus valuable time on higher-value production activities and significantly improving operational efficiency in logistics loading and unloading, equipment changeovers, and on-site maintenance.
It eliminates the risk of costly leaks and production downtime. Its lever-locking mechanism ensures a secure seal at every connection, effectively preventing the leakage of precious oils, chemicals, or raw materials. This not only saves material costs but also avoids the environmental cleanup costs and significant production losses caused by unplanned downtime, ensuring continuous and stable production.
Finally, quick couplings improve operational safety and manageability. Its intuitive operation significantly reduces employee workload and technical requirements, while its reliable locking effectively prevents disconnection accidents, protecting both personnel and equipment. Standardized interfaces ensure universal interoperability across all devices, simplifying procurement and inventory management, and delivering lasting and secure value.
The core advantages of reusable hydraulic hose fittings lie in their exceptional lifecycle economics, unparalleled maintenance ease, and superior emergency adaptability, providing a valuable solution for high-pressure hydraulic systems.
The most significant advantage of reusable hose fittings is a significant reduction in long-term operating and inventory costs. Unlike traditional, disposable crimp connectors, their high-quality metal body can be reused dozens or even hundreds of times. When a hose wears out, only the hose itself needs to be replaced, and the expensive connector can be removed and reassembled on a new hose. This “one connector, multiple uses” model directly saves over 60% in re-purchasing costs and simplifies spare parts inventory.
Secondly, reusable hose fittings offer ultimate on-site flexibility and emergency response capabilities. No specialized crimping machine is required; hose assembly and replacement can be completed in the workshop or in the field using only conventional tools such as wrenches. This not only enables rapid response to unexpected failures and significantly reduces downtime, but also allows for flexible fabrication of hose assemblies with specific lengths and connectors to meet site requirements, perfectly addressing non-standard customization and emergency repair scenarios.
Ultimately, reusable hose fittings ensures a high-performance, reliable connection. Although reusable, its precise thread mechanical locking structure and high-quality seals can also provide anti-pullout, impact resistance and sealing performance comparable to compression joints, fully meeting the stringent requirements of high-pressure hydraulic systems and achieving a perfect combination of economy and reliability.
The core function of a push-on hose fittings is to provide the fastest and easiest manual connection between a hose and a fitting. The design of push-lok hose fitting is fundamentally designed to simplify the complex installation process.
The primary function of push-in hose fittings is a one-touch connection. Installation requires no tools or clamps. Simply align the lubricated hose end with the fitting and push firmly until it bottoms, instantly creating a secure and sealed connection. Unique internal barbs grip the rubber hose’s inner wall, providing strong pull-out resistance and preventing the hose from becoming dislodged under pressure.
Secondly, the push on hose fittings offer excellent sealing. The hose fitting stem typically features one or more O-rings. When the hose is pushed in, they create an interference fit with the fitting body. The O-rings are fully compressed, creating a uniform, reliable seal around the 360 degree circumference, effectively preventing liquid or gas leaks and withstanding low- to medium-pressure system pressures.
Finally, the push-on hose fittings offer easy disassembly. While secure during installation, for replacement or maintenance, the connection can be disconnected by pressing the hose’s outer wall against the base of the hose fitting while twisting and pulling. This design offers reusability while ensuring connection reliability.
In summary, the push-in hose fitting, with its unique inverted serration lock and O-ring seal, perfectly achieves its three core functions: quick installation, reliable sealing, and easy disassembly. This significantly improves the assembly and maintenance efficiency of low- and medium-pressure pneumatic and fluid circuits.
The core advantages of stainless steel welded fittings lie in their unparalleled permanent sealing, superior structural strength, and extreme corrosion resistance, making them the ultimate choice for building highly reliable, long-life fluid systems.
The most significant advantage of weld fittings is a permanent, leak-free connection. By fusing the welded fitting to the tubing, a seamless connection is formed without any moving parts, fundamentally eliminating leak points. This allows for the absolute safety of conveying hazardous, expensive, or environmentally sensitive media, meeting the highest sealing standards.
Secondly, the weld fittings offer exceptional structural integrity and pressure-bearing capacity. The strength of the weld seam often matches or even exceeds that of the parent material itself, forming a solid, integrated unit that can withstand the rigors of high-frequency vibration, severe pressure pulses, and extreme temperature fluctuations without loosening or falling apart, ensuring decades of safe and stable system operation.
Finally, the weld fittings provide top-notch corrosion resistance and cleanliness. Crafted from austenitic stainless steel (such as 304/316), these welded components achieve a smooth, seamless transition within the inner wall. They not only resist corrosion from harsh chemicals and environments, but also prevent fluid residue and bacterial growth, fully meeting the stringent hygiene and purity requirements of high-purity applications such as food, pharmaceuticals, and semiconductors.
Although the weld fittings require specialized welding and are non-disassembly, their permanent reliability, exceptional strength, and long life make them an irreplaceable value in critical applications.
The core advantage of stainless steel fluorine-lined valves lies in their perfect blend of the structural strength of metal and the supreme chemical resistance of fluoroplastics, providing the ultimate solution for handling highly corrosive media with both reliability and affordability.
The sanitary valves’ most significant advantage is their unparalleled corrosion resistance. By lining the stainless steel valve body and key components with a thick layer of PTFE (polytetrafluoroethylene) or PFA (perfluoroalkoxy resin), the fluorine-lined valves are fully resistant to corrosion from extreme media such as strong acids (such as sulfuric acid and hydrochloric acid), strong bases, organic solvents, and aqua regia. The sanitary valves’ service life far exceeds that of ordinary stainless steel valves, making them a key guarantee for achieving zero-leakage, safe conveying under demanding conditions.
Secondly, the fluorine-lined valves offer an excellent balance of performance and value. Compared to the complex and expensive all-Hastelloy valves, fluorine-lined valves offer chemical resistance comparable to premium alloys at a relatively affordable cost. The stainless steel body provides the necessary mechanical strength and pressure-bearing capacity, making sanitary valves an ideal, cost-effective choice for handling corrosive media.
Finally, the fluorine-lined valve offers excellent cleanliness and media compatibility. PFA & PTFE material has extremely low surface energy and “non-stick” properties, effectively preventing media residue, crystallization, and clogging, ensuring smooth flow, making it ideal for the pharmaceutical industry, food industry, and electronic chemical industries, which have extremely high purity requirements.