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Product Name | Sanheng Hydraulic 45° Elbow MJ-MBSPT Thread / 1JT4-SP JIC BSPT 74° Cone Fitting |
Code | 1JT4 |
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 Sanheng 1JT4 45° elbow functions as a critical cross-standard transition fitting, expertly engineered to bridge JIC 74° cone male threads with tapered BSPT male threads. Designed specifically for compact pipeline routing where installation space is severely restricted, this adapter eliminates the necessity for multiple intermediary connectors. Manufactured from an integrally hot-forged blank and subjected to full multi-axis CNC precision machining, the fitting presents a substantial, heavy-in-hand feel indicative of its dense internal metal structure. This solid construction delivers exceptional mechanical strength, capably withstanding frequent equipment vibration, mechanical shock, and instantaneous hydraulic pressure surges commonly found in heavy-duty fluid conveying systems. The reliable metal-to-metal 74° cone compression seal prevents fluid weeping without requiring messy thread sealants, ensuring a clean, dry connection point. Available in two distinct, mature anti-corrosion surface treatments, the elbow adapts effortlessly to diverse environmental conditions. By enabling immediate conversion between the widely used JIC and BSPT thread standards, this fitting streamlines the layout of mixed-standard pipelines, significantly reducing installation time and cutting long-term maintenance costs for industrial fluid delivery networks.
Engineered in strict accordance with universal JIC (Joint Industry Council) and BSPT (British Standard Pipe Taper) industrial thread specifications, every dimensional aspect of this 45° elbow is meticulously controlled. The critical 74° cone angle, thread pitch, and outer hex dimensions are achieved through advanced CNC fine machining, resulting in a visually flawless, burr-free finish that feels exceptionally smooth to the touch during manual assembly. Our comprehensive size range covers all mainstream specifications required for complex industrial hydraulic pipelines. Every finished batch undergoes rigorous factory-level sealing and pressure resistance testing to guarantee universal interchangeability with equivalent standard brand fittings currently on the market. This precise dimensional accuracy ensures that operators can effortlessly integrate these elbows into existing systems without fearing thread binding or fluid leakage. To support engineers and procurement teams in their system design phases, complete dimensional drawings, 3D CAD models, and detailed technical parameter sheets are readily provided upon request, ensuring absolute compatibility before installation begins.
Streamlined 45° Arc Flow Design: Unlike sharp 90° alternatives that force abrupt directional changes, the gentle bending curve of this 45° elbow significantly minimizes internal fluid turbulence. This optimized fluid dynamics profile reduces pipeline pressure drop, thereby improving the overall operational efficiency of the hydraulic system and preventing excessive energy loss or localized heat generation within the fluid medium.
74° Cone Metal Hard Seal Structure: The precision-machined cone surface establishes an incredibly tight metal-to-metal compression seal immediately upon reaching the standard locking torque. This rigid connection resists severe vibration displacement and sudden pressure impacts, achieving long-term, leak-free operation without the necessity of supplementary thread sealants, pastes, or PTFE tapes that could otherwise contaminate the fluid line.
Cross-Standard Dual Thread Conversion: By integrating JIC and BSPT thread specifications into a single, unified fitting, this elbow resolves the chronic pipeline mismatching issues frequently encountered when coupling American and European standard machinery. This direct conversion drastically reduces the reliance on redundant intermediate adapters, minimizing potential leak points and saving valuable physical space.
High-Density Forged Anti-Fatigue Body: Utilizing a one-piece hot forging process completely eliminates the internal microscopic pore defects commonly associated with standard cast parts. This densified metal matrix exponentially boosts the burst pressure resistance and fatigue durability of the fitting, making it perfectly suited for long-term, cyclic high-pressure operations in demanding industrial environments.
Smooth Anti-Galling Thread Machining: The meticulously cut, burr-free threads facilitate an effortless, gall-free assembly process. Technicians will notice the smooth engagement as the threads mate, allowing for rapid installation and repeated disassembly for routine maintenance without causing thread deformation, metal galling, or scratch damage to the mating components.
Utilizing an environmentally responsible trivalent chromium (Cr3+) zinc plating process, this carbon steel variant presents a bright, uniform metallic finish. The surface treatment provides exceptionally compact coating adhesion, delivering formidable rust prevention and impressive salt spray resistance. Beyond its visual appeal, the underlying carbon steel offers excellent mechanical tensile strength combined with outstanding cost performance. This combination makes it the ideal, economical choice for matching with conventional construction machinery, agricultural harvesting equipment, and general indoor industrial hydraulic pipelines where extreme chemical exposure is not a primary concern.
Subjected to a standard professional passivation process, this premium stainless steel option undergoes a chemical treatment that removes surface free iron and residual machining impurities. This process accelerates the formation of a dense, self-healing, microscopic anti-oxidation film across the entire fitting. The resulting surface features a clean, matte silver appearance that feels exceptionally smooth. It offers superior resistance against aggressive acids, alkalis, and dense salt fog corrosion, making it the perfect match for marine environments, offshore drilling platforms, petrochemical processing facilities, and severely corrosive working conditions characterized by constant high humidity.
Construction & Agricultural Machinery: Serves as a vital 45° turning connection for the complex hydraulic pipelines of heavy-duty excavators, front-end loaders, tractors, and large-scale harvesting equipment operating under punishing, dust-filled outdoor working conditions.
General Manufacturing & Metallurgy: Facilitates highly compact pipeline layouts and efficient fluid medium diversion for precision CNC machine tools, automated assembly production lines, and high-temperature metallurgical processing hydraulic stations where space is at an absolute premium.
Petrochemical Industry: The passivated stainless steel version is specifically deployed for aggressive chemical medium delivery pipelines and oil refining equipment, ensuring safe, uncontaminated fluid connections in highly volatile processing zones.
Marine & Offshore Engineering: Acts as a crucial matching hydraulic fitting for ship cabin machinery, steering systems, and offshore platform fluid transmission pipeline networks, reliably withstanding the constant assault of corrosive saltwater environments.
The production lifecycle of the 1JT4 elbow begins with premium raw metal blanks that are integrally hot forged. This critical thermal process optimizes the internal metal grain distribution along the 45° bending direction, resulting in a significantly denser texture and higher overall compression resistance compared to standard machining from bar stock. Following the forging phase, the JIC cone surface, BSPT taper thread, and outer hex profile are machined synchronously utilizing advanced multi-axis CNC equipment. This ensures absolute accuracy in dimensional tolerances and produces a smooth, burr-free inner cavity that promotes unrestricted fluid flow. Quality control is paramount; absolutely every finished elbow must pass a strict regimen of thread calibration gauging, high-pressure pneumatic sealing tests, and rigorous visual appearance screening before being approved for warehousing. To guarantee safe transit for volume procurement orders, all adapters are meticulously equipped with dedicated thread protective end caps, sealed securely inside heavy-duty plastic bags, and finally packed into standardized, reinforced blank carton boxes to prevent any physical damage during international shipping.
Q1: Does this fitting require PTFE tape when installing the BSPT taper thread end?
A1: Yes, the BSPT (British Standard Pipe Taper) threaded end typically requires a small amount of PTFE raw material tape or a specialized liquid thread sealant to assist in creating a completely fluid-tight seal. The tapered design wedges into the female port, and the sealant fills any microscopic gaps. Conversely, the JIC 74° cone side relies entirely on a mechanical metal-to-metal compression seal, which achieves absolute leak prevention without the introduction of any extra sealants.
Q2: Can it be utilized for the pipeline transformation of mixed JIC and BSPT standard imported equipment?
A2: Absolutely. This fitting is specifically engineered for that exact scenario. By featuring a JIC male connection on one end and a BSPT male thread on the other, it facilitates immediate, direct cross-standard docking. This drastically simplifies on-site equipment pipeline modification work, eliminating the need to source and stack multiple separate adapters, thereby reducing potential failure points and saving significant labor time during system upgrades.
Q3: Can custom laser marking be added onto the hex portion of the fitting?
A3: We fully support comprehensive customization services, including precision laser engraving on the flat hex surface. Upon the provision of a vector drawing file, we can permanently mark your exclusive corporate brand logo, specific part codes, or operational pressure ratings directly onto the metal. This permanent marking resists fading or rubbing off, ensuring clear component identification for future maintenance and enhancing your overall brand visibility on the assembled machinery.
Q4: How should procurement teams choose between the carbon steel and stainless steel material options?
A4: The selection depends entirely on the intended operational environment. The Cr3+ zinc-plated carbon steel variant is highly recommended for conventional, non-corrosive indoor applications and general outdoor environments where budget efficiency is prioritized. However, for scenarios involving coastal salt fog exposure, aggressive chemical processing, or severely damp working conditions, the passivated stainless steel option is mandatory to prevent rapid oxidation and ensure the structural integrity of the fluid system over an extended lifespan.
