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21
June
How To Select The Appropriate Material for DBB Ball Valves Based on The Working Conditions

Understanding Double Block-and-Bleed (DBB) Ball ValvesDBB ball valves are designed to provide two independent seals (one upstream and one downstream) and a bleed port to vent any trapped fluid between the seals. This design ensures that the valve can safely isolate a section of the pipeline and r

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DBB-ball-valves.jpg
09
June
Material Selection And Performance Comparison of J-VALVES DBB Flanged Ball Valves under High Temperature And High Pressure Conditions

Material Selection and Performance Comparison of J-VALVES DBB Flanged Ball Valves under High Temperature and High Pressure ConditionsI. Requirements for Valve Materials under High Temperature and High Pressure ConditionsHigh temperature and high pressure conditions impose extremely stringent require

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DBB Flanged Ball Valve (3).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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F316 2x1 600 DBB floating ball valves.jpg
09
February
Comparison of DBB Ball Valve Designs under API 6D And ASME B16.34 Standards And Selection Guide


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.

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Double Block And Bleed Valve (6).jpg

What You Know About Us

June 21, 2025

Understanding Double Block-and-Bleed (DBB) Ball ValvesDBB ball valves are designed to provide two independent seals (one upstream and one downstream) and a bleed port to vent any trapped fluid between the seals. This design ensures that the valve can safely isolate a section of the pipeline and r

June 09, 2025

Material Selection and Performance Comparison of J-VALVES DBB Flanged Ball Valves under High Temperature and High Pressure ConditionsI. Requirements for Valve Materials under High Temperature and High Pressure ConditionsHigh temperature and high pressure conditions impose extremely stringent require

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.

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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