Hydraulic Pipe Joint is a critical component designed to connect hydraulic pipes or hoses, ensuring leak-free, high-pressure fluid transmission in demanding industrial systems. These hydraulic fittings, including threaded, flanged, and quick-disconnect types, comply with standards like ISO 8434, SAE J514, and API 5CT, and are crafted from materials such as carbon steel, stainless steel, or brass for superior corrosion resistance. Widely used in hydraulic machinery, oil and gas pipelines, petrochemical plants, and power generation systems, hydraulic pipe joints provide robust boiler pipeline protection under pressures up to 630 bar (9,137 PSI) and temperatures ranging from -40°C to 120°C, depending on material and seal type.

The manufacturing process involves precision forging, machining, or casting, with high-pressure pipe joint designs featuring threaded connections (NPT, BSPP, or metric), O-ring face seals (ORFS), or 24°/37° cone seals for enhanced sealing. Available in sizes from 1/4" to 2" (DN6 to DN50), these joints support various configurations, including straight, elbow, tee, and cross fittings, with customizable lengths and coatings like zinc plating, galvanization, or 3LPE for improved corrosion resistance. Rubber seals (NBR, Viton) or metal-to-metal seals ensure compatibility with hydraulic fluids, including oil, water, and aggressive chemicals, making them suitable for harsh environments like offshore rigs or chemical processing plants.

Hydraulic Pipe Joints undergo stringent testing, including hydrostatic, burst, and impulse tests, to meet ISO, SAE, and DIN standards. Their design ensures minimal pressure loss and accommodates misalignment or vibration, making them ideal for dynamic systems like hydraulic cylinders or pumps. ORFS fittings, for example, use an O-ring for leak-free performance in high-pressure applications, while JIC fittings with 37° flare seating are easy to assemble and durable. Quick-disconnect joints enable rapid maintenance without fluid loss, reducing downtime in critical operations like oilfield drilling or industrial presses.

Compared to standard pipe couplings, flexible hydraulic joint types offer superior sealing and adaptability for high-pressure systems. They are designed to handle cyclic pressure changes and thermal expansion, preventing leaks and extending system lifespan. Stainless steel variants (e.g., A182 F316) resist corrosion in saline or acidic conditions, while brass fittings are preferred for water-based hydraulic systems due to their antimicrobial properties. These joints support diverse applications, from connecting hydraulic hoses to integrating with pumps, valves, and actuators, ensuring compatibility with complex piping system joint layouts.

Addressing challenges like fluid leaks, corrosion, and high-pressure demands, Hydraulic Pipe Joints provide a reliable, efficient solution for industrial fluid systems. Their robust construction, corrosion-resistant materials, and versatile designs make them a preferred choice for engineers seeking durable boiler pipeline protection. Whether in hydraulic machinery, oil and gas pipelines, or petrochemical processes, these high-pressure pipe joints deliver exceptional performance, safety, and longevity in demanding environments.

1. The theoretical mass includes the mass of clamps, terminations, sealing rubber rings, bolts and nuts.
2. The clamp with nominal diameter of 150 - 700 is composed of two lobes, and the clamp with nominal diameter greater than 700 is composed of four lobes.
3. Special requirements can be designed and manufactured separately.

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