Flange welded ball valve
The Flange Welded Ball Valve is a high-performance industrial valve that combines the advantages of welded construction and flange connection design, providing excellent sealing reliability, easy installation, and strong adaptability for various pipeline systems.
Designed for high-pressure and high-demand applications, this valve features a robust welded body structure with flanged ends, ensuring superior mechanical strength, leak resistance, and long service life. The flange connection allows convenient installation, maintenance, and replacement while maintaining excellent pipeline integrity.
The valve adopts a precision-machined ball and advanced sealing structure, providing smooth operation, low torque, low flow resistance, and reliable shut-off performance. It is suitable for various media including oil, gas, water, steam, and industrial fluids.
Manufactured with advanced production technology and strict quality control procedures, the Flange Welded Ball Valve is widely used in oil & gas pipelines, chemical plants, power stations, water treatment systems, and industrial process applications.
We provide professional OEM and customization services to meet customer-specific requirements, including customized valve sizes, materials, pressure ratings, flange standards, sealing solutions, actuator configurations, coating systems, and special operating conditions.
All products are manufactured under strict quality management systems and comply with international valve industry standards. We provide complete certifications, including ISO 9001, API 6D, CE, ASME, ISO 14313, and other applicable valve industry certifications, ensuring reliable quality and global application compatibility.
Flange welded ball valve
We provide comprehensive OEM/ODM solutions, including:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Flange Welded Ball Valve |
| Valve Type | Flange End Welded Ball Valve |
| Valve Structure | Floating Ball / Trunnion Mounted Ball |
| Design Type | Full Port / Reduced Port |
| Nominal Size | DN15–DN1200 / 1/2"–48" (Customized) |
| Pressure Rating | PN16–PN420 / Class 150–2500 |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel, Low Temperature Steel |
| Ball Material | Stainless Steel / Alloy Material |
| Stem Material | Stainless Steel / Alloy Steel |
| Seat Material | PTFE, RPTFE, PEEK, Metal Seat |
| Seal Material | PTFE, Graphite, FKM, Customized |
| Connection Type | Flanged Ends with Welded Body Structure |
| Flange Standard | ANSI, ASME, DIN, JIS, EN |
| Working Medium | Oil, Natural Gas, Water, Steam, Chemical Fluids |
| Working Temperature | -46°C to +250°C (Depending on Material Selection) |
| Flow Characteristic | Full Bore, Low Pressure Drop |
| Operation Type | Manual / Worm Gear / Pneumatic / Electric / Hydraulic |
| Sealing Performance | Tight Shut-Off, Bidirectional Sealing |
| Leakage Standard | API 598 / ISO 5208 |
| Design Standard | API 6D / ISO 14313 / ASME B16.34 |
| Fire Safe Design | API 607 / API 6FA Available |
| Anti-Static Design | Available |
| Surface Treatment | FBE / Epoxy / 3PE Coating / Customized |
| Installation Type | Above Ground / Pipeline Installation |
| Inspection Standard | API / EN / Customer Requirements |
| Pressure Test | Shell Test & Seat Test According to International Standards |
| Certification | ISO 9001, API 6D, CE, ASME, ISO 14313 Available |
| OEM Service | Available |
| Customization Capability | Size, Material, Pressure, Flange Standard, Coating, Actuator, Packaging |
Industry Applications
The Flange Welded Ball Valve is widely used in industries requiring reliable shut-off, easy installation, and long-term pipeline operation.
✔ Combination of flange connection convenience and welded body reliability
✔ Excellent sealing performance and leakage prevention
✔ High pressure and temperature resistance
✔ Easy installation and maintenance
✔ Suitable for critical pipeline applications
✔ Wide material selection for different media
✔ Long service life with low maintenance requirements
✔ Flexible OEM customization capability
✔ Manufactured according to international valve standards
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
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