ZZJG High-Pressure Blind Valve Successfully Passes On-Site Acceptance at CNPC Southwest Oil and Gas Field Branch

CNPC announced that seven DN200 CLASS600 high-pressure blind valves manufactured by ZZJG (Zhengzhou Jinggong Technology Co., Ltd.) have successfully passed on-site acceptance at the Southwest Oil and Gas Field Branch. This successful acceptance not only demonstrates the company’s outstanding capabilities in valve design and manufacturing but also provides strong support for the safe and stable operation of oil pipelines.

Blind valves, which completely block the flow of media, play a crucial role in oil pipelines. When oil pipelines require maintenance, sectional testing, or long-term shutdown, operators can quickly open the blind valve to completely cut off the fluid flow, ensuring operational safety. Unlike ordinary gate valves and ball valves, blind valves only have two states: “fully open” or “fully closed,” and cannot control the flow rate. However, their non-adjustable nature makes them more reliable in blocking media flow.

The high-pressure blind valves that passed this acceptance test were entirely independently developed by the ZZJG technical team. Established for over forty years, this company specializes in the production and manufacturing of medium and large-sized valves, and has developed into a leading enterprise in the industry. Its products not only possess API international standard certification, but it is also a recognized supplier for CNPC, CNOOC, and SNOPEC.

In oil pipeline applications, ZZJG’s high-pressure blind valves exhibit many significant advantages. Their valve bodies are made of pressure-resistant materials such as carbon steel and stainless steel, while the sealing rings are made of flexible materials such as rubber and PTFE, enabling them to adapt to the high-temperature, high-pressure, and corrosive media conditions in oil pipelines, effectively preventing media leakage. These blind valves have a simple structure, are easy to operate, and have low maintenance costs. Whether operated manually or by electric or pneumatic actuation, they can be easily opened and closed, greatly improving work efficiency. Moreover, their excellent sealing performance ensures zero leakage in the fully closed state, achieving human-level safety and providing a solid guarantee for the safe operation of oil pipelines.

The successful on-site acceptance test of the high-pressure blind valve by CNPC is a strong testament to the quality and technical strength of ZZJG products, enabling ZZJG blind valves to compete on the same platform as brands such as Schuf, Onis, Sammi, and Hammer and so on. In the future, our company will continue to uphold the spirit of innovation, continuously improve product performance, and provide more high-quality and reliable valve products for industries such as petrochemicals.If you are interested in blind valve technology, please contact our engineering team, Fun Fan: +86 19036919973, [email protected]. Thank you for your sharing and inquiry.