All welded ball valve
The All Welded Ball Valve is a high-performance pipeline valve designed with a fully welded body structure, providing exceptional strength, durability, and leak-proof performance. Unlike traditional bolted valve designs, the welded construction eliminates potential leakage points and ensures reliable operation in demanding environments.
The valve features a compact structure, low maintenance requirements, excellent corrosion resistance, and long service life. It is widely used in oil & gas transmission pipelines, urban gas networks, water supply systems, heating pipelines, and industrial fluid control applications.
Manufactured according to international valve standards, our All Welded Ball Valves are available in various sizes, pressure classes, materials, and operating configurations to meet different engineering requirements.
All welded ball valve
We provide professional OEM/ODM manufacturing services and customized solutions according to customer requirements, including:
Our All Welded Ball Valves are manufactured under strict quality management systems and comply with international valve industry standards.
Available certifications and standards include:
Each valve is tested through strict procedures, including shell pressure testing, seat leakage testing, material inspection, dimensional inspection, and functional testing to guarantee safe and reliable performance.
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | All Welded Ball Valve |
| Valve Type | Fully Welded Ball Valve |
| Design Structure | One-Piece Welded Body Design |
| Application | Pipeline Transportation System |
| Nominal Size | DN15 – DN1400 / Customized |
| Pressure Rating | Class 150 – Class 2500 / PN16 – PN420 |
| Design Standard | API 6D / ASME B16.34 / EN Standards |
| Connection Type | Flanged / Butt Weld / Customized |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel |
| Ball Material | Stainless Steel, Alloy Materials |
| Stem Material | Stainless Steel / Customized |
| Seat Material | PTFE, RPTFE, PEEK, Metal Seat |
| Sealing Type | Soft Seal / Metal Seal |
| Valve Operation | Manual, Gear Operator, Pneumatic, Electric, Hydraulic |
| Flow Direction | Bidirectional Flow |
| Working Temperature | -196°C to +250°C (Depending on Materials) |
| Working Medium | Natural Gas, Oil, Water, Steam, Chemical Media |
| Leakage Standard | API 598 / ISO 5208 / EN 12266 |
| Fire Safe Design | API 607 / API 6FA Optional |
| Anti-Corrosion Treatment | FBE Coating, 3PE Coating, Epoxy Coating |
| Installation Method | Above Ground / Underground Installation |
| Maintenance Requirement | Low Maintenance Design |
| Service Life | 30+ Years Under Normal Operating Conditions |
Industry Applications
The All Welded Ball Valve is widely applied in industries requiring safe isolation, reliable sealing, and long-term operation.
✔ Fully welded body design with zero external leakage risk
✔ High strength and excellent pressure resistance
✔ Long service life with minimal maintenance
✔ Excellent corrosion resistance for harsh environments
✔ Suitable for high-pressure pipeline systems
✔ Reliable sealing performance and safe operation
✔ Compatible with various actuators and control systems
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%.
RELATED PRODUCTS
