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19
December
Detailed Technical Explanation And Application of Double-Ball Floating Ball Valve

The Double Ball Floating Ball Valve is an advanced fluid control device, specially suitable for high-pressure, high-temperature and low-temperature environments in industries such as petroleum, natural gas and chemical engineering. With its unique double isolation design and excellent sealing perfor

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30
October
Valve Selection in Industrial Sectors & J-VALVES DBB Ball Valves

In the industrial sector, the selection of valves is crucial, as it directly affects the efficiency, safety, and maintenance costs of a system. Since 2009, J-VALVES has been committed to providing high-quality industrial valve solutions, among which the DBB (Double Block and Bleed) ball valve is one

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DBB Ball Valves.jpg
10
May
DBB Ball Valve Selection for Oil And Gas Pipelines: Flow And Cost Balance between Full Bore And Reduced Bore Designs

In oil and gas pipelines, the selection of DBB ball valves is of crucial importance, and full bore and reduced bore designs are two common options. They each have their own characteristics in terms of flow performance and cost. How can we balance these two aspects to make a proper selection? The following will discuss this in detail.

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20
March
Industrial Valve Materials: Corrosion Resistance From 304 Stainless Steel To Hastelloy

Understanding Corrosion Resistance in Industrial ValvesWhat is Corrosion Resistance?Corrosion resistance refers to a material's ability to withstand chemical attack and degradation over time. In industrial settings, valves are often exposed to corrosive fluids, high temperatures, and fluctuating pre

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What You Know About Us

December 19, 2025

The Double Ball Floating Ball Valve is an advanced fluid control device, specially suitable for high-pressure, high-temperature and low-temperature environments in industries such as petroleum, natural gas and chemical engineering. With its unique double isolation design and excellent sealing perfor

October 30, 2025

In the industrial sector, the selection of valves is crucial, as it directly affects the efficiency, safety, and maintenance costs of a system. Since 2009, J-VALVES has been committed to providing high-quality industrial valve solutions, among which the DBB (Double Block and Bleed) ball valve is one

May 10, 2025

In oil and gas pipelines, the selection of DBB ball valves is of crucial importance, and full bore and reduced bore designs are two common options. They each have their own characteristics in terms of flow performance and cost. How can we balance these two aspects to make a proper selection? The following will discuss this in detail.

March 20, 2025

Understanding Corrosion Resistance in Industrial ValvesWhat is Corrosion Resistance?Corrosion resistance refers to a material's ability to withstand chemical attack and degradation over time. In industrial settings, valves are often exposed to corrosive fluids, high temperatures, and fluctuating pre

February 09, 2023


In the industrial field, BALL VALVES are widely used, and different standards have different requirements for their designs. API 6D and ASME B16.34 are two commonly used relevant standards. Understanding the differences in the design of DBB (DOUBLE BLOCK AND BLEED) BALL VALVES under these two standards is crucial for correct selection. The following will provide a detailed comparison and a selection guide.

Manufacturer and supplier of industrial valves, including Floating Ball Valves, Trunnion Ball Valves, Flanged Gate Valves, Welded Gate Valves, High Pressure Gate Valves, Globe Valves, Swing Check Valves, Double Disc Wafer Check Valves, Y Strainers , etc. For more information, please send us your email .

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