In the petrochemical industry, valves are used to control fluid flow, pressure, and prevent accidents. They are capable of enduring high temperatures and pressures in refinery environments, ensuring safe and smooth operation of processes.

Professional China Valve Manufacturer
| Valve Type | Key Customization Scope | Typical EPC Project Applications |
|---|---|---|
| Large-Diameter Ball Valves (DN300–DN2000) | – Sizes: DN300 (12”) to DN2000 (80”), customizable for larger specs – Designs: Trunnion-mounted, floating, full-welded (for buried pipelines) – Materials: Carbon steel, duplex stainless steel (2205), Monel, Inconel, Hastelloy (for corrosive media) – Standards: API 6D, API 607 (fire-safe), ANSI Class 150–900 – Actuators: Electric, hydraulic, pneumatic (for EPC automation needs) | Oil & gas transmission pipelines, petrochemical refineries, LNG terminals |
| Large-Diameter Butterfly Valves (DN500–DN4000) | – Sizes: DN500 (20”) to DN4000 (160”), including ultra-large specs – Designs: Triple offset (zero leakage), double offset, rubber-lined (for wastewater) – Materials: Ductile iron, stainless steel, metal hard-sealed (for high temperatures) – Standards: API 609, ISO 5211, ANSI Class 150–300 – Connections: Flanged, lugged, wafer (for quick EPC installation) | Power plant steam systems, municipal water treatment, industrial wastewater, marine engineering |
Our customization services are designed to address the unique pain points of EPC contractors and industrial operators—from tight project schedules to strict regulatory requirements. Here’s what sets us apart:

EPC Approved Large Diameter Industrial Valve

Professional EPC Approved Large Diameter Industrial Valve

EPC grade large diameter Industrial valve quick delivery
We strictly adhere to international standards and industry regulations, ensuring that every customized valve undergoes rigorous quality control and testing to meet your highest standards.
Our experienced technical team has a deep understanding of your process and requirements, providing the most suitable valve solutions.
We provide a one-stop service from design, manufacturing, to installation and commissioning, ensuring that your customized valve is smoothly installed and operational.
Customized valves are designed to fit your specific industrial application, ensuring precise functionality and optimal performance in your unique operating conditions.
By selecting the most suitable materials and finishes based on your working environment and media, customized valves offer enhanced durability and resistance to corrosion, wear, and other potential hazards.
Customized valves can often be more cost-effective in the long run as they are designed to last longer, require less maintenance, and minimize downtime due to malfunction or failure.
Tianyu’s customized valves are designed to comply with industry standards and regulations, ensuring safety and regulatory compliance in your industrial applications.
Customized valves offer flexibility to adapt to changing process requirements and can be scaled up or down as needed, ensuring continued efficiency and reliability in your operations.
Tianyu provides personalized service and support for its customized valve solutions, including design assistance, installation guidance, and ongoing maintenance support to ensure your valves perform optimally throughout their lifecycle.
In the petrochemical industry, valves are used to control fluid flow, pressure, and prevent accidents. They are capable of enduring high temperatures and pressures in refinery environments, ensuring safe and smooth operation of processes.
In the power industry, valves are used to control the flow of steam, water, and oil. Globe valves and gate valves in steam pipelines ensure smooth steam transportation, while butterfly valves are commonly used to regulate flow.
In the food and beverage industry, valves are used for fluid transportation and control. These valves need to meet sanitary standards to ensure the safety and quality of food products.
In the environmental protection sector, valves are used in wastewater treatment systems to control the discharge of sewage, ensuring the effectiveness of wastewater treatment. They play an important role in environmental protection and sustainable development.
Various fluid equipment is required in the automotive manufacturing industry to maintain and operate production lines and equipment, such as lubrication systems, cooling systems, and hydraulic systems. Customized fluid solutions can provide equipment and systems that meet different application requirements.
Industrial valves control fluid flow in pipelines. Used in oil, gas, power, water, chemicals—regulate, shut off, throttle, ensuring system safety and efficiency.
Tianyu Professional China Valve Manufacturers and Supplier Conforming ISO APl CE certification standards
Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you select the right valve you want.
Founded in 2009, Wenzhou Tianyu Valve Technology Co., Ltd. is a professional valve enterprise integrating design, development, production, and sales services, located in the hometown of Chinese valves – Oubei Town, Wenzhou.
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