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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.
Request a QuoteRelia 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.
Size Range
Pressure Rating
Temperature Range
Certified Testing
API 6D compliant, pressure self-relieving seat, anti-blowout stem, fire-safe design.
API 600 compliant, wedge-type design, suitable for high-pressure applications.
API 623 & BS 1873 compliant, precise flow regulation for process control.
High-pressure gate valve with extended bonnet for extreme service conditions.
Robust design with anti-static and fire-safe features for oil & gas pipelines.
Designed for seamless integration into high-integrity piping systems.
Swing or wafer type, prevents backflow in pipelines and pump systems.
Modular design allows easy maintenance and seat replacement.
All valves are designed and tested to API 6D, API 600, API 598, API 602, API 594, ASME B16.34, and NACE MR0175 standards.
Used in oil & gas, petrochemical, power generation, aerospace, metallurgy, and chemical processing plants worldwide.
Every valve undergoes full hydrostatic testing before shipment to ensure zero leakage and structural integrity.
Our valves are engineered and tested to meet the most stringent global standards, ensuring reliability, safety, and performance in critical applications.
6D, 600, 602, 598, 594, 623
B16.34, B16.5, B16.25
A216, A105, A351, A182, etc.
MR0175, ISO 5208, ISO 15848
1873, 1868, 5352
SP-72, SP-88, SP-96
1984, 125, 101
PED 2014/68/EU, GOST
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.
Read More →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.
Read More →Published: Mar 28, 2022
API 608 specifies requirements for metal ball valves used in petroleum, petrochemical, and industrial applications with various end connections.
Read More →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.
Read More →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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