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Relia Valve – Precision Steel Valves for Critical Industries

One of China’s leading manufacturers of API-certified ball, gate, globe, and check valves for petroleum, natural gas, petrochemical, and power industries. Engineered to perform under extreme conditions — from -196°C to 650°C.

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About Relia Valve

Relia Valve Co., Ltd. is a trusted Chinese manufacturer and supplier specializing in high-performance industrial valves for global markets. We focus on the design, production, and testing of trunnion ball valves, floating ball valves, gate valves, globe valves, and check valves.

Our products are built to meet rigorous international standards including API, ASME, ASTM, ANSI, BS, MSS, ISO, NACE, and EN. Every valve undergoes 100% hydrostatic testing before shipment to ensure compliance with both standards and customer-specific requirements.

With materials ranging from carbon steel and stainless steel to duplex, Hastelloy C, Monel, Inconel 625/825, and aluminum bronze, our valves serve industries such as oil & gas, chemical processing, electric power, aerospace, metallurgy, pulp & paper, and coal chemical.

1/2" – 48"

Size Range

Class 150 – 2500

Pressure Rating

-196°C – 650°C

Temperature Range

API 6D, 600, 598

Certified Testing

Our Featured Products

Forged Steel Trunnion Ball Valve

Forged Steel Trunnion Ball Valve

API 6D compliant, pressure self-relieving seat, anti-blowout stem, fire-safe design.

  • Sizes: 1/2" – 24"
  • Pressure: Class 150 – 2500
  • Materials: CS, SS, Duplex
Cast Steel Gate Valve

Cast Steel Gate Valve

API 600 compliant, wedge-type design, suitable for high-pressure applications.

  • Sizes: 2" – 48"
  • Pressure: Class 150 – 1500
  • Materials: Carbon Steel, Alloy
Class 600 Globe Valve

Class 600 Globe Valve

API 623 & BS 1873 compliant, precise flow regulation for process control.

  • Sizes: 1/2" – 24"
  • Pressure: Class 150 – 900
  • Materials: SS, CS, Alloy
Class 1500 Gate Valve

Class 1500 Gate Valve

High-pressure gate valve with extended bonnet for extreme service conditions.

  • Sizes: 2" – 36"
  • Pressure: Class 1500
  • Materials: Alloy Steel, SS
ASME Class 300 Trunnion Ball Valve

ASME Class 300 Trunnion Ball Valve

Robust design with anti-static and fire-safe features for oil & gas pipelines.

  • Sizes: 2" – 48"
  • Pressure: Class 300
  • Materials: CS, SS, Duplex
Butt Weld End Gate Valve

Butt Weld End Gate Valve

Designed for seamless integration into high-integrity piping systems.

  • Sizes: 2" – 48"
  • End: Butt Weld
  • Standards: API 600, ASME B16.25
API 594 Check Valve

API 594 Check Valve

Swing or wafer type, prevents backflow in pipelines and pump systems.

  • Sizes: 2" – 48"
  • Pressure: Class 150 – 900
  • Types: Swing, Wafer, Lift
Side Entry Trunnion Ball Valve

Side Entry Trunnion Mounted Ball Valve

Modular design allows easy maintenance and seat replacement.

  • Sizes: 2" – 24"
  • Pressure: Class 150 – 2500
  • Materials: Forged Steel, SS

Why Choose Relia Valve?

API & ASME Certified

All valves are designed and tested to API 6D, API 600, API 598, API 602, API 594, ASME B16.34, and NACE MR0175 standards.

Global Industrial Applications

Used in oil & gas, petrochemical, power generation, aerospace, metallurgy, and chemical processing plants worldwide.

100% Hydro Tested

Every valve undergoes full hydrostatic testing before shipment to ensure zero leakage and structural integrity.

Compliance with International Standards

Our valves are engineered and tested to meet the most stringent global standards, ensuring reliability, safety, and performance in critical applications.

API Standards

6D, 600, 602, 598, 594, 623

ASME & ANSI

B16.34, B16.5, B16.25

ASTM Materials

A216, A105, A351, A182, etc.

NACE & ISO

MR0175, ISO 5208, ISO 15848

BS Standards

1873, 1868, 5352

MSS SP Standards

SP-72, SP-88, SP-96

EN Standards

1984, 125, 101

Other

PED 2014/68/EU, GOST

Technical Resources

API 6D Valve Testing Requirements

Published: Sep 26, 2022

API 6D pressure test requirements include test procedures, test pressures, and durations for gate, ball, check, and plug valves. Ensures safety and reliability in pipeline service.

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Side Entry, Top Entry, Welded Body Ball Valves

Published: Sep 22, 2022

Ball valves are categorized by body construction: side-entry, top-entry, and fully welded. Each offers unique advantages in maintenance and installation.

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API 608: Metal Ball Valves – Flanged, Threaded, and Welding Ends

Published: Mar 28, 2022

API 608 specifies requirements for metal ball valves used in petroleum, petrochemical, and industrial applications with various end connections.

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Valve Types And Applications

Published: Mar 24, 2022

Overview of common valve types: ball, gate, globe, check, plug, and butterfly valves. Differences in function, fluid compatibility, pressure, and temperature.

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Get in Touch

For product inquiries, technical support, or custom valve solutions, visit our official website to request a quote or contact our team.

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