Ball Valves-WEIZIDOM Valve Manufacture China
Design Standard: GB/T12237 API 6D
Diameter Range: DN15-DN2400
Pressure Range: 150LB-2500LB
Medium: Natural gas, liquefied petroleum gas, oil, etc.
Material: A105, LF2, F304, F316, F51, WCB, LCB, CF8, CF8M, etc.
Application Fields: Petroleum, chemical, hydropower, gas and liquid pipeline transportation, etc.
Send E-mail:info@wsdvalve.com Mobile: +86-173197327665
Ball valves are among the most versatile and widely used valve types in industrial fluid control. Their quarter-turn operation, bubble-tight shut-off, and durability make them indispensable across industries—from oil and gas pipelines and chemical processing to mining slurries, HVAC systems, and corrosive media handling.
In industrial ball valve selection, different industries have distinctly different core requirements: Oil and gas pipelines primarily specify API 6D or fully welded ball valves, emphasizing API compliance, fire-safe design, and full-bore construction; wellhead and upstream extraction typically use forged steel or API ball valves capable of high pressure and sour service (H₂S/CO₂ with NACE compliance); refining and petrochemical applications favor API or stainless steel ball valves with high-temperature resistance, fire-safety, and corrosion resistance; chemical processing relies on fluorine-lined or stainless steel ball valves where corrosion resistance and bubble-tight shut-off are paramount; mining and mineral processing and coal chemical industries depend almost exclusively on ceramic-lined ball valves to withstand severe abrasion, erosion, black water, and slurry service; power generation (ash removal) similarly selects ceramic-lined ball valves for fly ash and erosion resistance;
Six Essential Ball Valve Types for Your Project!
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Stainless Steel Ball Valve
Relying on the inherent corrosion resistance of materials such as CF8M and CF8C without the need for linings, the stainless steel ball valve resists
acids, alkalis, chlorides, and high temperatures (up to 800°C with CF8C), making it suitable for corrosive media service in chemical, marine, and
other demanding environments.
S -
API Ball Valve
Manufactured to API 6D standards, the API ball valve offers a complete diameter range from DN15 to DN1400 and is available in both floating and
trunnion-mounted designs, fully meeting the fire-safe, low-emission, and rigorous testing requirements of oil and gas pipelines and
petrochemical plants.
A -
Fully Welded Ball Valve
With its fully welded, bolted-free body construction that ensures zero external leakage, and full-bore design that enables pigging operations
without requiring maintenance, the fully welded ball valve is the ideal choice for buried gas pipelines and long-distance transmission lines.
F -
Fluorine-Lined Ball Valve
Using carbon steel or stainless steel as the base body with an internal lining of F46/PFA/PO fluoropolymer, the fluorine-lined ball valve
provides resistance to virtually all corrosive chemicals—including strong acids, alkalis, and organic solvents—at a significantly lower costthan exotic alloys such as Hastelloy.
B -
Forged Steel Ball Valve
By eliminating internal defects through the forging process, the forged steel ball valve achieves the highest pressure rating (Class 2500) in the
smallest diameters (DN15–DN50), making it the preferred choice for high-pressure, high-temperature, and sour (H₂S/CO₂) oil and gas service.
F -
Ceramic-Lined Ball Valve
With an alumina or zirconia ceramic lining (Mohs hardness 9) that resists high abrasion and erosion, the ceramic-lined ball valve delivers a
service life 5 to 10 times longer than hardened steel valves in highly abrasive services such as mining slurries, coal powder, fly ash, and black water.
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“WEIZIDOM has successfully completed over 3,000 projects in over 108 countries worldwide. Our products, including valves, pipe fittings, water meters, and flow meters, are widely used in water supply, water treatment, oil & gas, HVAC, minning, paper mill, sugar mill, chemcial plant, power plant and other fileds.”
Selection Recommendations!!
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High-Pressure, High-Temperature, and Sour (H₂S/CO₂) Oil & Gas Service
Forged steel or API ball valves (A105, LF2, F316, etc.) are used for wellhead extraction, long-distance pipelines, and refining systems, with
pressure ratings up to Class 2500.
H -
Corrosive Media Service
Stainless steel (CF8M) or fluorine-lined (F46/PFA) ball valves are used for strong acids, strong alkalis, organic solvents, and seawater
environments — providing excellent corrosion resistance at a lower cost than exotic alloys like Hastelloy.
C -
Highly Abrasive and Erosive Slurries & Powders Service
Ceramic-lined ball valves (alumina or zirconia) are used for mining slurries, coal slurries, silica powder, fly ash, black water, and lithium battery
precursor materials — with a service life 5 to 10 times longer than hardened steel valves in abrasive service.
H -
Buried and Maintenance-Free Pipeline Service
Fully welded ball valves (full-bore, no bolted connections) are used for city gas, district heating, and long-distance transmission pipelines —
eliminating external leakage and requiring no maintenance.
B -
HVAC and Plumbing Branch Line Service
Brass ball valves (DN15–DN50, PTFE seats) are used for chilled/hot water, saturated steam, compressed air, and oil branch isolation —
offering easy installation, compact size, and cost-effectiveness.
H
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