SERVICE

Research and Development

Research and Development

Since 2018, Yalong has integrated lean production principles into its operational strategy, significantly improving production efficiency and reducing waste. Additionally, the adoption of an advanced ERP system enables us to streamline operations, optimize resource allocation, and maintain consistent product quality. With a dedicated research and development team, Yalong continuously invests in innovation to enhance product performance and expand our valve range. Our R&D efforts ensure that we stay ahead of market trends and offer solutions that meet the evolving needs of our global customers.

Understanding the diverse needs of our clients, we provide tailored valve solutions that address specific market demands. Our dedicated customer service team ensures that all inquiries are handled promptly, while our after-sales support guarantees client satisfaction with every aspect of their experience.

Production Strength

Marketing Strength

Global Market Coverage and Customer Trust

Yalong Valve

Yalong has established a strong presence in global markets, exporting products to over 50 countries across Europe, North America, Asia, and the Middle East. Our long-term partnerships with key clients worldwide reflect the trust and satisfaction we have earned over the past 25 years.

Multichannel Marketing Strategy

Yalong Valve

We employ a diversified marketing strategy, utilizing both online platforms and offline channels. In addition to maintaining a strong online presence through our official website and social media, Yalong participates in prominent international trade fairs such as the Canton Fair and ISH Frankfurt, connecting with clients and partners face-to-face.

Customer Customization and Service

Yalong Valve

Understanding the diverse needs of our clients, we provide tailored valve solutions that address specific market demands. Our dedicated customer service team ensures that all inquiries are handled promptly, and our after-sales support guarantees that clients are satisfied with every aspect of their experience

FAQ

purchase of valves, in addition to price, what factors should be considered?

In addition to price, should also consider the reliability of the valve, durability, ease of installation, maintenance costs and the manufacturer's after-sales service and technical support capabilities. Choosing a well-known brand and a supplier with a good reputation usually provides better quality products and services. The above FAQ hopefully will help you better understand the valve products and make an informed decision when shopping.

What is the main difference between a ball valve and a gate valve?

Ball valves are operated by rotating the sphere to achieve full opening or closing, which is fast and has low fluid resistance, and is suitable for occasions that require frequent opening and closing. Gate valve is to control the fluid by lifting and lowering the gate, fully open when the fluid channel straight through, resistance is small, but the operation is relatively slow, more suitable for the need to completely isolate the fluid occasions.

What are API standards? Does the valve need to comply with these standards?

API (American Petroleum Institute) standards are globally recognized standards for equipment in the oil and gas industry. Whether a valve needs to comply with API standards depends on its application scenario and customer requirements. For high-risk industries such as petroleum and chemical, valves complying with the API standard are usually preferred because they have undergone rigorous performance testing and certification.

What should I do if the valve is leaking?

First, try tightening the flange connection bolts or replacing damaged gaskets. If the problem persists, the internal parts of the valve may be damaged, such as the seat or sealing ring, which requires professional repair or replacement of the entire valve.

How do I maintain my valves to extend their service life?

Regular inspection and maintenance are key. This includes cleaning dirt from the outside of the valve, checking seals for wear, lubricating moving parts (such as stems), and making sure flange connections are tight and leak-free. For valves that have not been used for a long time, regular switching operations are recommended to prevent jamming.

What is the operating pressure and temperature range of the valve?

This depends on the specific valve design and material. Different types and materials of valves have different rated working pressures and temperature ranges. Before purchasing, it is important to consult the product specification or consult with the manufacturer to ensure that the valve selected will meet the needs of your application.

How to determine the size of the valve?

Valves are usually sized according to the inside diameter (DN value or inches) of the piping system. Selection needs to ensure that the valve flange or connection end face and piping system to ensure sealing and fluid flow.

How to choose the right valve material?

Choosing the right valve material depends mainly on the nature of the medium (such as temperature, pressure, corrosion), the working environment (indoor/outdoor, humidity, etc.) and cost considerations. Common materials include cast iron, cast steel, stainless steel, brass, plastics (such as PVC, PP) and so on. For corrosive media, stainless steel or specific alloys are usually selected.

What are the main types of valves?

The main types of valves include gate valves, globe valves, ball valves, butterfly valves, check valves, regulating valves, and safety valves. Each type is suitable for different application scenarios, such as gate valves are suitable for fully open and fully closed occasions, while ball valves are commonly used in piping systems that require frequent operation due to their fast switching characteristics.

What is a valve?

A valve is a device used to control the flow of a fluid (liquid or gas), which can be opened, closed or partially opened to regulate the flow, pressure or direction of the fluid.

Service Tenet

Service tenet: exchange our "sincerity, enthusiasm and sincerity" for "satisfaction, comfort and reassurance" of users
Service objectives: no complaints about product quality and customer service
Service standard: enthusiastic, considerate, timely and effective

Service Tenet

Personalized service

Service Tenet

Standardized pre-sales service

Service Tenet

Professional real-time process

Service Tenet

Diversified training services

Service Tenet

Improve after-sales support

Service Tenet

Careful follow-up service

Tel

86-0576-87412288

Tel

86-576-87166981

E-Mail

president@yh-yl.com

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