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Product Name | Sanheng Hydraulic DIN 1CI / 1DI Metric BSP Male Thread Banjo Tube Adapter |
Code | 1CI-B 1DI-B |
Material & Surface Treatment | Carbon steel (zinc plated Cr3+); Stainless steel (passivation) |
Application | Pipe connection（oil,water,gas） |
Technology | CNC machining & Forged |
Package | All adapters equipped with thread protective end caps, inside plastic bags, and then inside standard blank carton boxes. |
Our main products | Threaded hydraulic hose fittings and pipe adapters, sucn as Metric , BSP, BSPT, NPT , JIC , ORFS, SAE thread. |
The physical integrity of your hydraulic systems relies heavily on the quality of its junction points. Our DIN 1CI / 1DI Metric Male Thread Banjo Tube Adapter is meticulously crafted to deliver an unyielding connection under intense mechanical stress. When handling these adapters, the substantial weight of the forged metal immediately conveys a sense of durability, while the smooth, flawlessly machined threads offer a tactile assurance of precision engineering. The lustrous finish—whether it is the subtle, iridescent gleam of the Cr3+ zinc plating on the carbon steel variant or the pristine, matte resilience of the passivated stainless steel—speaks volumes about the advanced surface treatment applied.
Integrating these adapters into your fluid transmission lines transforms potential weak links into robust, leak-proof fortresses. Designed specifically to navigate the demanding dynamics of oil, water, and gas flow, the internal geometry minimizes turbulence, ensuring quiet, efficient operation free from the high-pitched whine of restricted fluid passage. By choosing this meticulously designed component, procurement teams and project engineers safeguard their infrastructure against premature wear, costly downtime, and hazardous leaks, ultimately optimizing operational efficiency and extending the lifespan of the entire hydraulic assembly.
The following technical parameters outline the precise dimensional and operational capabilities of the 1CI and 1DI series banjo adapters. These specifications are engineered to meet strict international standards, ensuring seamless integration into your existing hydraulic frameworks.
360° Adjustable Installation: The circular banjo ring allows free rotation and directional alignment before tightening, perfectly adapting to complex pipeline layouts and eliminating forced assembly stress.
Ultra-Compact Low-Profile Design: The thin circular structure occupies minimal axial space, enabling installation in tightly packed manifolds and equipment compartments where conventional fittings cannot fit.
Excellent Vibration Dampening: The robust forged banjo body absorbs and dissipates high-frequency pump vibrations, effectively preventing thread backing and fatigue fractures during long-term operation.
Optimized Fluid Flow Path: The internally contoured channel reduces fluid turbulence and cavitation, maintains stable system pressure, and eliminates flow noise caused by restricted passages.
Anti-Galling Precision Threads: The mirror-finished CNC machined threads ensure smooth engagement, prevent metal-to-metal galling, and support repeated disassembly and retorquing without damage.
Carbon Steel (Cr3+ Zinc Plated)
Adopts eco-friendly trivalent chromium zinc plating process, forming a sacrificial anti-corrosion barrier that effectively resists red rust in humid and saline environments. It has high tensile strength and cost performance, ideal for conventional hydraulic systems, construction machinery and general industrial working conditions.
Stainless Steel (Passivation)
Through rigorous professional passivation treatment, free iron on the surface is removed to form a dense chromium oxide protective layer. It has outstanding resistance to acid, alkali and chemical corrosion, perfectly suitable for petrochemical, marine and other highly corrosive harsh working environments.
Brass (Optional)
Customizable brass material with excellent electrical conductivity and anti-spark properties, suitable for special working conditions such as flammable and explosive environments, ordered with the suffix "-EE".
This DIN standard metric banjo tube adapter is widely used in pipeline connection scenarios requiring compact layout and adjustable direction in various core industrial fields:
Hydraulic System Engineering: Ideal for hydraulic manifold connections, pump station piping and valve block assemblies in narrow equipment compartments.
Construction & Earthmoving Machinery: Hydraulic pipeline connection for excavators, loaders, bulldozers and other mobile heavy equipment, adapting to high-vibration field working conditions.
Agricultural Machinery: Hydraulic system piping for high-horsepower tractors, combine harvesters and agricultural implements, resistant to outdoor harsh weather and soil erosion.
Industrial Manufacturing: Pipeline assembly for automated production lines, machine tools, hydraulic presses and compressed air systems, ensuring stable and continuous operation.
The banjo body is formed by high-tonnage one-piece hot forging to optimize the internal metal grain structure, eliminating internal voids and greatly improving shear resistance and impact toughness. All metric threads and banjo sealing surfaces are processed by multi-axis CNC machine tools with micron-level precision. Each batch undergoes strict thread gauge inspection, dimensional verification and pressure sealing test before delivery, fully complying with DIN standard requirements, ensuring stable and reliable long-term operation under high pressure.
A: The trivalent chromium (Cr3+) passivation provides excellent corrosion resistance, significantly delaying the onset of white and red rust. It acts as a robust sacrificial layer, ensuring the adapter maintains its structural integrity and thread usability even when exposed to continuous moisture and harsh industrial atmospheric conditions.
A: Yes. The combination of high-density forging and precise CNC machining ensures that the adapter body possesses the necessary tensile strength to absorb and dissipate vibrational energy. When properly torqued with the correct sealing washers, the connection remains exceptionally secure against fatigue-induced loosening.
A: To specify a complete assembly, simply append the suffix "RN" to the standard part number. For example, ordering "1DI-30-26RN" ensures you receive the banjo adapter pre-packaged with the precisely matched cutting ring and nut required for immediate, hassle-free installation.
A: Absolutely. While carbon steel is our standard, we manufacture these adapters in passivated stainless steel (indicated by the suffix "SS") for aggressive chemical environments. Additionally, we can produce brass variants (indicated by the suffix "EE") for applications requiring specific non-sparking or conductive properties.
A: Our engineering process includes optimizing the internal cross-sectional area of the banjo ring and the corresponding hollow bolt. By smoothing the transitional edges during the CNC machining phase, we minimize fluid turbulence and cavitation, thereby maintaining an efficient flow rate and preventing significant pressure degradation across the joint.
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