Frequency Asked Questions
FAQs
Company Profile
Founded in 1986, we have over 36 years of experience in valve manufacturing. Our core advantages include:
- Annual production capacity of 3,000 tons
- A total workshop area of 25,000 square meters
- A wide range of industrial valves (gate valves, globe valves, ball valves, check valves, plug valves, etc.)
- Comprehensive industry certifications (e.g., ISO 9001, API 6D, CE0036)
- Strong capabilities in custom design and fast delivery
Our products are widely applied in petroleum, chemical, natural gas, power, water treatment, and other industries. We export primarily to Europe and the Middle East.
FAQs
Product Technology
Pressure rating ranges from Class 150 to 2500 or PN10 to PN420.
Temperature range is -196°C to +600°C, depending on the specific product.
We offer a full range of valve sizes from 1/2″ to 40″, covering all standard specifications. Custom sizes can also be manufactured based on customer requirements.
Available materials include carbon steel, stainless steel, alloy steel, duplex steel, and cast iron. Selection depends on the medium, pressure, temperature, and corrosion resistance needs.
Our valves feature soft or metal seals combined with elastic valve seats or graphite packing, and are tested according to API 598 standards.
Our gate valves offer excellent sealing performance, smooth operation, and a long service life. Advanced sealing technology ensures reliable performance under various working conditions, while the optimized design reduces torque and facilitates easy operation.
Our globe valves are suitable for various media including water, steam, oil, and natural gas. We offer material and sealing options tailored to different media characteristics and operating conditions.
We offer two main types of check valves:
- Lift check valves: Suitable for horizontal pipelines, featuring a compact design and reliable sealing
- Swing check valves: Ideal for large-diameter pipelines, with low flow resistance and a low opening height to effectively prevent backflow
Yes, we manufacture valves specifically designed for high-temperature and high-pressure applications. These products are built with special materials and reinforced structures to ensure durability and safety under extreme conditions.
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FAQs
Procurement & After-Sales
Yes, we offer customization services. Whether you need special working conditions or non-standard dimensions, we can design and manufacture products to meet your specific requirements.
Delivery time depends on product type, order quantity, and production schedule:
- Standard products: within 30 days
- Customized products: Delivery time may vary slightly but will be minimized through efficient planning and timely communication.
You can fill out our online inquiry form or contact us via email or phone. Please provide product parameters, material, quantity, and other relevant information for an accurate quote.
Yes. Our warranty period is 12 months from installation or 18 months from the bill of lading date, whichever comes first.
FAQs
Technical Support
Yes, we offer comprehensive technical support. If you encounter any issues during operation, our technical team is available to provide professional assistance.
Absolutely. Provide your operating parameters and application requirements, and our technical experts will suggest the most suitable valve models for your needs.
Yes, installation and maintenance manuals are available upon request. Please contact our sales team to obtain the documents.
Our valves support various connection types, including:
- Flanged
- Wafer
- Welded (Socket Weld / Butt Weld)
- Threaded
Yes. If a valve installed outside China fails due to a quality issue within the warranty period, we will provide replacement parts free of charge. If the issue cannot be resolved through parts replacement, we will work with you to provide a full valve replacement.
