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Brief introduction Valves Equipment News

WHAT DO WE DO

Main Products

Our product line includes: Gate, Check, Globe, Ball Valve and Speical alloy steel Valve and etc.

XDV Cast Steel Gate valves are designed and manufactured to ensure leakage of less than 100 pm (parts per million) of volatile organic compounds. Extensive base line laboratory testing (static and cycle testing) has been performed establishing critical design parameters necessary to achieve low emission sealing in the XDV stem packing seal area and in the bonnet gasket sealing area, n-house testing procedure has been developed and is periodically performed to ensure that standard product design and manufacturing criteria consistently result in the XDV Cast Steel Gate XDV meeting a maximum of 100 ppm voC leakage prior to shipment

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Cast Steel Swing Check Valve

XDV Universal Cast Steel Check Valves are designed and manufactured stricty to International Standards APl6D, BS1868, ASMEB16.34 or Equivalent, or reduce the flow resistance and pressure drop to the minimum possible extend, which is suitable to be mounted in horizontal postion only, lapped and screwed in seat ring ensures tight shut of and long duration service. valves disc is perfectly designed, accurately machined and guided for efficient automatic shut off at zero pressure, with a feature of compact structure & Low emission service. In both Swing & Piston Constructions.

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Cast Steel Axial Check Valve

Axial Flow check valves from XDV are designed and manufactured stictly to updated International Standards of APl 6D, ASME B16.34 or Equivalent. axial check valve is the preferred solution for critical non-return applications such as the protection of rotating equipment and systems where low pressure loss, stable operation and dynamic behaviour are essential.

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Sleeve

Used in high-temperature and highly corrosive environments to protect, isolate, or reinforce equipment ports or critical components.

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34+

YEARS EXPERIENCES

163+

NATIONAL PATENT

36000m²

ENTERPRISE AREA

290+

EXISTING EMPLOYEES

ABOUT US

xdv Engineered in Solutions For Corrosion Process

Founded in 1990, XDV Valve is dedicated to be specialized in producing valves from the very beginning. Our product line includes: Gate, Check, Globe, Ball Valve and Speical alloy steel Valve and etc. Over the years, XDV Valve has become one of the leading manufacturers of valve and get solid reputation for our reliable quality and competitive price in this area.We having research and production bases in Wenzhou, Shanghai, and Jiangsu, the company currently possesses 5 national-level new products, 17 provincial-level new products in Zhejiang, with 163 national patents, including 23 invention patents.

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OUR BLOGS

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XDV Article

28 Years Later: The ‘Valve’ Remains Fully Open

2025-11-27

Time is the best test. In 1997, Guangdong Yunliu Lianfa Company purchased a triple-eccentric metal hard-seal butterfly valve from Xuanda Industrial Group for the "250,000-ton pyrite-to-acid project". After 27 years of operation, it still maintains a stable working condition.

XDV Hosts Second Meeting of National Standard Committee on Smelting Flue Gas Sulfuric Acid Design

2025-10-28

On October 16, 2025, the second working meeting of the drafting group for the national standard "Design Specification for Sulfuric Acid Production Process from Smelting Flue Gas" was held at Xuanda Industrial Group. The revision work was jointly carried out by China ENFI Engineering Technology Co., Ltd., Shanghai Aogli Environmental Engineering Co., Ltd., and other relevant units. This revision aims to adapt to industry development, improve the industry's technical level, and promote the standard to better play a guiding role in energy conservation, emission reduction, carbon peaking, and carbon neutrality.

Xuanda Group participated in the valve branch conference and focused on industry transformation and...

2025-09-19

Recently, the second session of the 8th Member Representative Conference of the Valve Branch of the China General Machinery Industry Association was successfully held. Ye Jixuan, Chairman of Xuanda Industrial Group, attended the meeting as Vice Chairman of the China Valve Association. He joined Huang Li, President of the China General Machinery Industry Association; Sui Yongbin, Honorary President and Chief Supervisor; Zhang Zonglie, Vice President; industry leaders, experts, scholars, and corporate representatives to discuss the industry's development plans and draw a blueprint for transformation and upgrading.

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The company currently possesses 5 national-level new products, 17 provincial-level new products in Zhejiang, with 163 national patents, including 23 invention patents.