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Precision Ball Valves for Critical Industries

Relia Valve is a certified ball valve manufacturer in China with API 6D and API 607 certifications. Engineered for oil, gas, and petrochemical applications with global compliance to API, ANSI, BS, and DIN standards.

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Trusted Ball Valve Manufacturer in China

Relia Valve is a leading ball valve manufacturer and supplier based in Zhejiang, China. With full API 6D and API 607 certifications, we deliver high-performance valves trusted by the oil, gas, and petrochemical industries worldwide.

Our products are exported extensively to North America and Europe, meeting stringent international standards including API, ANSI, BS, and DIN. We specialize in trunnion-mounted, floating, and metal-seated ball valves with sizes from 1/2" to 48" and pressure ratings from Class 150 to 2500.

1/2" – 48"
Size Range
Class 150 – 2500
Pressure Rating
-196°C to 650°C
Temperature Range
Global
Export Reach
Industrial Ball Valve

Our Premium Valve Products

Engineered for reliability, durability, and compliance. Explore our full range of industrial ball valves designed for extreme conditions and mission-critical applications.

Side Entry Trunnion Mounted Ball Valve

Side Entry Trunnion Mounted Ball Valve

  • Size: 2" – 48"
  • Pressure: Class 150 – 2500
  • Material: Cast Steel, Stainless Steel
  • Design: Side entry, bolted body
Top Entry Trunnion Mounted Ball Valve

Top Entry Trunnion Mounted Ball Valve

  • Size: 2" – 48"
  • Pressure: Class 150 – 2500
  • Material: Carbon Steel, Duplex Steel
  • Feature: Top maintenance access
Cast Steel Floating Ball Valve

Cast Steel Floating Ball Valve

  • Size: 1/2" – 24"
  • Pressure: Class 150 – 900
  • Seating: Soft or metal seated
  • Standard: API 6D, ANSI B16.34
Fully Welded Trunnion Ball Valve

Fully Welded Trunnion Ball Valve

  • Size: 2" – 48"
  • Pressure: Class 150 – 600
  • Construction: Fully welded body
  • Use: Underground, pipeline
Metal Seated Floating Ball Valve

Metal Seated Floating Ball Valve

  • Size: 1/2" – 12"
  • Temp: Up to 650°C
  • Seat: Metal-to-metal sealing
  • Application: High-temp, abrasive media
Metal Seated Trunnion Ball Valve

Metal Seated Trunnion Ball Valve

  • Size: 2" – 48"
  • Pressure: Class 150 – 2500
  • Material: Inconel, Monel, Hastelloy
  • Feature: Anti-blowout stem

Forged Steel Floating Ball Valve

  • Size: 1/2" – 4"
  • Pressure: Class 800 – 2500
  • Material: Forged Carbon/SS
  • Standard: API 607, ISO 15848

High-Temperature Metal Seated Valve

  • Max Temp: 650°C
  • Seal: Metal seated, fire-safe
  • Compliance: API 607, ISO 10497
  • Use: Refineries, power plants

Low-Emission Ball Valves

  • Standard: ISO 15848, TA-Luft
  • Design: Stem packing for fugitive emissions
  • Application: Environmental safety
  • Feature: Anti-static, anti-blowout

Cryogenic Ball Valves

  • Min Temp: -196°C
  • Use: LNG, liquid nitrogen
  • Material: Stainless Steel, Aluminium Bronze
  • Test: Cryogenic testing per BS 6364

Why Choose Relia Ball Valves?

Our commitment to quality, innovation, and global standards ensures unmatched performance in the most demanding environments.

API Certified

API 6D and API 607 certified manufacturing ensures compliance with global industry standards.

Extreme Conditions

Operates from -196°C to 650°C. Ideal for cryogenic and high-temperature applications.

Global Export

Trusted by clients in North America, Europe, and Asia with full international compliance.

Advanced Testing

Rigorous testing including shell, seat, and fugitive emission tests for reliability.

15+
Years Experience
48"
Max Size
2500
Max Class
650°C
Max Temp

Technical Support & Insights

Stay informed with expert guidance and industry best practices.

How To Replace The Ball Of Top Entry Ball Valve?

Learn the step-by-step maintenance procedure for top entry ball valves to ensure safety and longevity.

Read More →

API 6D Ball Valve Testing Procedure

Understand the mandatory testing protocols for API 6D compliance, including shell, seat, and functional tests.

Read More →

Low-Emission Ball Valves

Discover how low-emission valves prevent leaks of toxic or flammable substances, meeting environmental standards.

Read More →

Anti-Blowout Stem Ball Valve

Safety first: The anti-blowout stem design prevents the stem from being ejected under high inline pressure.

Read More →

Get in Touch

Contact our team for quotes, technical support, or product inquiries.

Phone

0086-13634229454

Email

info@reliavalve.com

WhatsApp

8613634229454

Business Hours

Mon – Fri, 8:00 AM – 6:00 PM

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