Top 10 DBB Ball Valve Manufacturers in China for Oil & Gas (API 6D, 2026)

As oil and gas projects continue to prioritize operational safety, zero leakage risk, and compact system design, the demand for Double Block and Bleed (DBB) ball valves remains strong in 2026.

From upstream wellhead facilities to midstream pipelines and downstream refineries, DBB ball valves are widely specified by EPC contractors and end users to ensure reliable isolation and safe maintenance.

This article reviews the Top 10 DBB Ball Valve Manufacturers in China for Oil and Gas in 2026, based on technical capability, compliance with international standards, manufacturing maturity, and export experience.

Why DBB Ball Valves Are Critical in Oil & Gas Applications

A DBB (Double Block and Bleed) ball valve integrates two sealing surfaces within a single valve body, allowing the cavity between them to be vented or monitored through a bleed port.

Compared with traditional valve combinations, DBB ball valves offer:

• Enhanced safety during maintenance

• Reduced leak paths

• Space and weight savings

• Compliance with modern oil & gas isolation philosophies

They are commonly used in:

• Oil & gas transmission pipelines

• Metering and sampling systems

• Offshore platforms

• Refineries and petrochemical plants

Typical governing standards include API 6D, ISO 14313, ASME B16.34, API 607 / API 6FA.

Top 10 DBB Ball Valve Manufacturers in China (2026)

1. YIXIN Valve (China)

YIXIN Valve is an API-oriented manufacturer specializing in ball valves for oil and gas service, with DBB ball valves forming an important part of its export portfolio.

What distinguishes manufacturers like YIXIN in recent years is a stronger focus on:

• True DBB valve design 

• API 6D compliance for pipeline service

• Fire-safe and anti-static designs suitable for critical oil & gas applications

While YIXIN valves is widely involved in EPC oil & gas projects, many OEMs also choose YIXIN as their long-term manufacturing partner, particularly for API 6D DBB ball valves where design consistency and repeatability are critical.

2. DIDTEK Valve Group

DIDTEK is one of the larger industrial valve manufacturers in China, offering DBB ball valves as part of a comprehensive oil & gas product range.

Key strengths:

• Large-scale manufacturing capability

• API 6D and international certifications

• Experience in refinery and pipeline projects

3. Platinum Valve (Zhejiang)

Platinum Valve is known for modular and compact DBB valve solutions, often used in metering skids and process systems.

Highlights:

• Modular DBB designs

• High machining accuracy

• Suitable for tight-space installations

4. SINO BALL Valve Co., Ltd.

SINO BALL focuses primarily on ball valve manufacturing and offers DBB configurations for oil & gas and petrochemical applications.

Advantages:

• Ball-valve-only specialization

• Stable quality control

• Suitable for batch EPC orders

5. TIANYU Valve

TIANYU Valve supplies DBB ball valves mainly for industrial oil & gas and petrochemical service.

Strengths:

• API and ASME compliance

• Carbon steel and stainless steel options

• Competitive lead times

6. TCX Valve Group

TCX Valve has experience with pipeline-class ball valves, including DBB configurations for oil and gas transmission.

Key features:

• Large size and high-pressure ratings

• API 6D pipeline valve focus

• Project-based manufacturing

7. South Valve / Shenhao Valve

This manufacturer focuses on valves for high-pressure and severe service environments.

Highlights:

• Fire-safe DBB ball valves

• Suitable for gas processing and petrochemical units

• Strong machining capability

8. Xiangyu Valve

Xiangyu Valve provides DBB ball valves mainly for industrial oil & gas and chemical projects.

Advantages:

• Flexible customization

• Cost-effective solutions

• Stable export quality

9. Jingjia Valve

Jingjia Valve manufactures DBB ball valves as part of a broader industrial valve offering.

Best suited for:

• Standard DBB applications

• Refining and chemical service

• Medium pressure classes

10. Gowin Valve

Gowin Valve is an export-oriented manufacturer with increasing presence in DBB ball valves.

Strengths:

• ISO-certified production

• OEM and private-label experience

• Suitable for general oil & gas service

How to Select the Right DBB Ball Valve Manufacturer

For oil & gas projects in 2026, selecting a DBB valve supplier involves more than comparing prices.

Key evaluation criteria include:

1. Standards & Certification
Ensure compliance with API 6D / ISO 14313, ASME B16.34, and API 607 / API 6FA fire-safe requirements.

2. DBB Design Integrity
Verify whether the valve is a true DBB design rather than a combination of two isolation valves.

3. Engineering & Documentation
Oil & gas projects require complete documentation packages, including drawings, MTCs, and test reports.

4. Export & Project Experience
Manufacturers with EPC and overseas project experience typically offer smoother communication and delivery control.

Conclusion

China continues to be a key manufacturing base for DBB ball valves for oil and gas in 2026, offering a combination of technical capability, certification compliance, and cost efficiency.

Manufacturers such as YIXIN Valve, DIDTEK, and Platinum Valve demonstrate how Chinese suppliers are evolving beyond basic manufacturing toward engineering-driven, project-ready solutions for global oil & gas markets.

For buyers seeking API-compliant DBB ball valves with reliable performance and export support, these manufacturers remain strong candidates worth consideration.