4-inch DN100 cast steel hammer striking union 105MPa high-pressure mud pipeline quick connector

Description :

  The 4-inch DN100 metal hard seal hammer joint is a pipeline quick connector designed specifically for high-pressure and harsh working conditions. It is mainly used to solve the high-frequency disassembly and high-pressure sealing problems of mud pipelines in deep well drilling and fracturing operations. The 1003 type hammer joint achieves rapid connection and separation of pipelines through a unique hammer locking structure, significantly reducing on-site operation time. Its core advantage lies in its ability to withstand extreme working pressures of up to 105MPa while maintaining excellent impact resistance and sealing reliability. It is an indispensable key connecting component in oil drilling, high-pressure cleaning, and industrial fluid transportation systems, especially suitable for work scenarios that require frequent disassembly and high safety requirements. The cast steel hammer is forged from high-quality alloy cast steel material, and undergoes precision machining and heat treatment processes to ensure that the body has extremely high strength and toughness. The product complies with API Spec 6A or relevant petroleum industry standards, with a nominal diameter of DN100 (4 inches) and a rated working pressure of 105MPa. The sealing surface adopts a metal hard sealing design, combined with high-precision grinding technology, effectively preventing leakage caused by high-pressure mud erosion. The surface has undergone anti-corrosion treatment to adapt to humid and corrosive environments in the wild. Each 1003 type hammer joint undergoes strict hydrostatic pressure testing and non-destructive testing before leaving the factory to ensure dimensional accuracy meets tolerance requirements, and the threaded connection has high strength, ensuring no deformation or failure under long-term high-frequency hammer operation. When selecting, it is necessary to clearly distinguish the pressure rating and applicable medium differences between the 1003 model and other models (such as the 1002 model and 1502 model). The 1003 type is designed for 105MPa ultra-high pressure conditions and is suitable for high wear and high viscosity fluids such as mud and cement slurry; If the working pressure is lower than 70MPa or the medium is clean water or air, lower pressure grade unions can be considered to reduce costs. Not suitable for long-term static sealing of gas media with extremely high sealing requirements and no vibration. In this case, it is recommended to use flange connections or soft seal joints. When purchasing, it is necessary to check whether the outer diameter and wall thickness of the pipeline match the inner diameter of the union, confirm the fit clearance between the hammering block and the joint body, avoid installation difficulties or poor sealing due to dimensional deviations, and ensure that the selected cast steel hammering union is completely consistent with the actual outlet pressure of the drilling pump and the pipeline specifications. When installing a 4-inch DN100 metal hard seal hammer joint, it is necessary to ensure that the two ends of the pipeline are aligned and avoid forcibly twisting the connection to prevent additional stress from damaging the sealing surface. In daily maintenance, it is necessary to regularly check the wear of the hammer block, pin shaft, and sealing surface. If cracks or severe deformation are found, they should be replaced immediately. After each disassembly, it is necessary to clean the mud, rust, and other impurities on the sealing surface, apply an appropriate amount of lubricating grease to prevent rust and facilitate the next installation. In deep well drilling operations, it is recommended to establish a regular flaw detection inspection system to monitor the fatigue cracks of the body. Common faults include leakage of the sealing surface and jamming of the hammering mechanism. The former is often caused by damage to the sealing surface or foreign objects entering, while the latter is often caused by insufficient lubrication or deformation. It is necessary to promptly investigate and handle them to ensure the long-term stable operation of the 1003 high-pressure mud pipeline quick connector.

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