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API 6A Adjustable Choke Valve

The adjustable choke valve is an essential flow‑control component for wellhead systems, engineered for precise regulation of flow rate and pressure as well as positive shut‑off. It complies with API 6A and NACE MR0175 standards and is offered in multiple configurations: needle‑type, barrel‑type, cage‑type, wedge‑type, dish‑type and orifice‑type. Unlike simple fixed choke units, it features hard‑alloy valve needle and trim with superior wear, erosion and corrosion resistance. The versatile designs cover different field requirements; needle‑type models suit Christmas tree assemblies, while barrel‑type versions are widely deployed on choke manifolds, delivering reliable performance for both onshore and offshore operations.

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Jiangsu Hongtai Petrochemical Machinery Co., Ltd. is located in Funing Economic Development Zone beside the Yellow Sea. Founded in 2006, it has grown into a nationally recognized high-tech enterprise specializing in R&D, manufacturing and technical services of petroleum machinery.

Covering nearly 100,000 square meters with over 200 professional staff, the firm is equipped with more than 300 core production machines and 1,000 testing instruments. It annually produces 3,000 sets of high-pressure wellhead assemblies with an annual output value exceeding RMB 300 million.

Boasting a provincial R&D team and long-term university-industry cooperation, the company owns over 100 national patents. Its CNAS & CAL-certified lab and imported facilities guarantee reliable product performance. It holds API 6A, API 16C, API 5CT, API Q1, ISO 9001 and special equipment manufacturing licenses, and participates in drafting national industrial standards. Over 20% of staff hold intermediate or higher technical titles. Upholding integrity, innovation and professionalism, we deliver full-lifecycle solutions and seek win-win partnerships worldwide.

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