In modern industry, valves are the “throat” of fluid control, found throughout petrochemicals, energy and power, water networks, shipbuilding and nuclear power. Their sealing performance, pressure strength and operational reliability bear directly on the safety and stability of the entire production line, the service life of equipment worth tens of millions, and even environmental protection and personnel safety in industrial settings. From tiny hidden leaks to failure risks under high pressure, every quality defect can trigger a chain reaction with immeasurable consequences. As the wave of industrial intelligence arrives, conventional valve inspection — dependent on manual work, inefficient and insufficiently accurate — can no longer meet modern manufacturing’s quality control requirements for high precision, high efficiency, full-process coverage and traceability. A revolution in inspection technology concerning both quality and safety is inevitable.
Rooted in Taizhou, the home of Chinese valve manufacturing, Ouxun Intelligent Technology (Taizhou) Co., Ltd. was founded in response to this need and has worked steadily ever since. Guided by the principle “built on technology, based on quality, empowered by intelligent inspection, safeguarded by safety”, it focuses on the R&D, design and manufacture of valve inspection equipment, bringing together top industry expertise and years of practical experience to provide valve manufacturers and industrial users worldwide with intelligent inspection solutions covering air-tightness testing, pressure strength testing, flow coefficient testing, life and fatigue testing, and dynamic performance commissioning. Through craftsmanship and advanced technology, Ouxun builds the first line of defence for valve product quality — a trustworthy gatekeeper in industrial quality control.
1. Technology as the Foundation: Defining a New Standard for Intelligent Inspection
Ouxun knows that the core competitiveness of inspection equipment comes from deep and continuous technical innovation. The company has assembled an R&D team led by PhD and MSc engineers, maintains long-term industry-university-research cooperation with several domestic universities, and operates joint laboratories. Following the latest standards at home and abroad — GB/T 12245, ISO 5208, API 598, GB/T 13927 — it continues to tackle the core technical challenges of high-precision sensing, intelligent control, data acquisition and non-standard customisation.
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High-precision sensing that catches micron-level defects. The whole product line uses imported high-precision pressure sensors with an accuracy class better than 0.02% FS, capable of detecting leaks as small as 0.05 mm and seepage at 10⁻⁴ Pa·m³/s — a leap from “rough inspection” to “precise quality control”. Whether it is pressure strength testing under high pressure or zero-leakage verification of the sealing face, Ouxun equipment reproduces true valve performance with extreme accuracy, eliminating missed and false calls.
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Integrated intelligent design — one button for the whole test. Breaking with conventional equipment that is single-function, cumbersome and heavily dependent on operators, Ouxun uses a dual-control architecture of PLC plus industrial PC, deeply integrating sealing, pressure, torque, flow and life test modules. A smart touch operating system supports a one-button mode that completes clamping, pressurising, holding, relieving, data acquisition and report generation automatically without intervention. A multi-axis servo positioning system adapts automatically to all valve sizes from DN15 to DN600 with no tooling change, raising efficiency more than threefold over conventional methods.
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Digital traceability across the whole life cycle. A built-in industrial IoT module uploads inspection data to the cloud in real time; AI algorithms analyse valve performance parameters and generate authoritative test reports conforming to ISO, GB and API standards automatically. All data is stored permanently, traceable in one click and tamper-proof, fitting ISO 9001 quality management systems and CNAS laboratory accreditation requirements, so that every valve’s “health record” carries legal weight and industry credibility.
2. A Full Product Matrix Covering Every Scenario
Built on strong R&D and non-standard customisation capability, Ouxun offers three product families — fixed, portable and dedicated custom — covering the full life cycle of valve production inspection, factory calibration, field maintenance and development testing, with solutions matched precisely to users of different sizes and sectors.
1. Fixed Valve Inspection Equipment: The Efficiency Engine for Batch Inspection
For batch factory inspection and in-line quality control at valve manufacturers and third-party laboratories, Ouxun’s fixed equipment uses a heavy floor-standing structure with multi-station automatic tooling, a temperature-controlled chamber and robotic loading and unloading. It tests several valves simultaneously, sorts automatically and flags non-conforming parts, running continuously around the clock with 99.9% data consistency. It interfaces cleanly with automated lines, helping companies move towards unmanned, digital and highly efficient quality control.
2. Portable Valve Inspection Equipment: A Mobile Quality Station for Field Service
For field inspection in petrochemical plants, water networks and power stations — outdoor patrols, work at height, confined spaces — Ouxun’s portable equipment uses a lightweight modular design. The main unit weighs no more than 35 kg and comes with a folding touchscreen, wireless sensors and a high-capacity lithium battery, rated IP65 for water and dust resistance. With no external power or pipework needed, it deploys quickly in pipeline pits, elevated platforms and remote sites, testing valves in place without removal, and completes setup and inspection within 30 minutes — shortening maintenance cycles and cutting downtime losses.
3. Dedicated Custom Equipment: A Tailored Solution for Special Conditions
For non-standard requirements in energy storage, deep sea, nuclear power, ultra-high pressure and cryogenic service, Ouxun provides deeply customised development. It has already delivered an 8-station pressure-reducing valve automatic setting machine, an EPIV control valve test bench, a thermostatic mixing valve comprehensive test bench and a safety valve life fatigue tester, precisely matching the requirements of special valves, special media and special pressures, and solving the inspection bottlenecks of the industry.
3. Winning on Service: Full Life-Cycle Support
Ouxun holds to the principle “technology at the core, service as the guide”. It supplies not only high-quality equipment but a full life-cycle, one-stop technical service system, so that customers can buy and operate with confidence.
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7×24 remote technical support: professional engineers are online in real time to respond quickly to commissioning, troubleshooting and operating questions.
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Full on-site service: installation and commissioning, operator training, metrological calibration, periodic maintenance and software upgrades, keeping equipment running stably over the long term.
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Compliance guidance: drawing on deep study of domestic and international standards, Ouxun helps users build inspection laboratory systems meeting CNAS, ISO and API requirements and raise the authority of their test reports.
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Lifetime technical updates: free software algorithm upgrades and hardware adaptation optimisation keep equipment aligned with evolving standards and technology.
4. Craftsmanship That Guards the Industrial Safety Lifeline
Since its founding, Ouxun valve inspection equipment has been exported to more than 20 countries and regions and now serves hundreds of leading valve companies, energy groups, water utilities and third-party inspection institutes. It is used across ball, butterfly, gate, globe, safety, pressure-reducing, thermostatic and EPIV control valves, and is recognised by customers for stable performance, extreme accuracy and convenient operation.
In petrochemicals, Ouxun high-pressure equipment has proven itself at 60 MPa, detecting valve sealing performance precisely and eliminating leakage risk. In water and HVAC, Ouxun flow coefficient benches measure Cv/Kv values and flow resistance coefficients accurately, helping companies optimise energy performance. In demanding fields such as nuclear power and shipbuilding, Ouxun customised equipment meets stringent quality and safety standards and has become the core assurance for critical valve quality control.
Conclusion: The Era of Intelligent Inspection — Growing with the Industry
From conventional to intelligent inspection, from manual operation to digital empowerment, every technological leap in valve inspection drives an upgrade in industrial quality. Ouxun builds quality with craftsmanship and creates the future with technology, working in depth in valve inspection and helping China’s valve industry move towards high-end, intelligent, standardised and international operation through innovative technology, capable products and dedicated service.
Ouxun will continue to increase R&D investment and work in frontier technologies such as AI-based inspection, IoT remote maintenance, non-destructive testing and big data analysis, constantly expanding inspection scenarios, improving accuracy and optimising the user experience, with the aim of becoming a world-leading manufacturer and solution provider of valve inspection equipment.
Precise inspection, quality that wins the future. Ouxun Intelligent Technology looks forward to working with every industrial partner — safeguarding safety with accurate inspection, empowering manufacturing with quality innovation, and building a solid foundation for high-quality industrial development.