Check Valves

0 K
The production capacity of Valogin is 30,000 ton per year
0 +
We distribute our products to over 100 countries across 6 continents globally
0 +
We hold 100+ patents coming from our ground breaking work in technology & design
0 +
With an annual turnover of $120,000,000

Who Are We

Zhejiang Valogin Technology Co., LTD founded in 1985, after years of development, we are now a leading manufacturing of brass valves, fittings and distribution manifolds for plumbing, gas and heating systems, for use in residential , industrial and commercial settings. We are committed to provide the world best one-stop solution for water, gas, oil and heating systems. With manufacturing ability from material to spare parts, Valogin has formed a vertical production supply chain which effectively improving the capacity, shortening the delivery time, and trying to gain our presence in the whole world.

120 million in turnover, of which more than 90% comes from international market, 7 buildings covering 64,000 sqm, 1100 employees and 30000 tons of brass processed per year. These are key numbers regarding our company .

V&G Brand - Check Valve

V&G brass Check Valves are the ideal solution for maintaining the integrity and efficiency of plumbing systems. These check valves, crafted with meticulous attention to detail, are made from high-quality brass materials, ensuring exceptional durability, corrosion resistance, and long-term performance.

Plumbing Check valves from V&G are specifically designed to prevent backflow or reverse flow of water within a plumbing system. With their innovative design and precision engineering, these valves allow water to flow in one direction while preventing any backward flow, ensuring optimal functionality and preventing potential damage to the system.

V&G brass Check Valves offer reliable and efficient performance in a variety of plumbing applications. Whether used in residential, commercial, or industrial settings, these valves ensure consistent and smooth water flow, preventing the risk of water contamination or system damage caused by backflow.

These check valves are designed for easy installation and compatibility with various piping systems. They come in different sizes and configurations, including threaded and solder end connections, allowing for seamless integration into different plumbing setups. The valves are meticulously tested to meet stringent quality standards, ensuring optimal performance and longevity.

European Market - Check Valve

European Market Check Valves are specifically designed to meet the unique requirements of European countries, with a strong emphasis on design and temperature levels. These check valves, crafted with precision engineering and superior materials, ensure optimal performance, reliability, and compatibility with European plumbing systems.

Plumbing Check valves within the European Market range are engineered to provide efficient backflow prevention and secure water flow control. These valves are designed to meet the stringent standards set by European regulatory bodies, ensuring reliable operation and preventing any potential water contamination or system damage caused by reverse flow. With their innovative design and precision engineering, European Market check valves allow water to flow in one direction while effectively preventing any backward flow, ensuring the integrity and efficiency of plumbing systems.

European Market check valves are constructed using high-quality materials chosen for their durability, corrosion resistance, and ability to withstand the temperature levels commonly encountered in European climates. These valves are designed to handle the varying temperature extremes found throughout European countries, ensuring reliable performance even in harsh conditions. The robust construction and temperature-resistant materials of European Market check valves make them ideal for a wide range of plumbing applications, offering peace of mind and long-term reliability.

Britsh Market - Check Valve

Introducing British Market Check Valves, specially designed to cater to the specific requirements of the British market, with a strong emphasis on design and temperature levels. These check valves are meticulously crafted to ensure optimal performance, reliability, and compatibility with British plumbing systems.

Plumbing Check valves within the British Market range are engineered to provide efficient backflow prevention and secure water flow control. These valves are designed to meet the rigorous standards set by regulatory bodies in Britain, ensuring reliable operation and preventing any potential water contamination or system damage caused by reverse flow. With their innovative design and precision engineering, British Market check valves allow water to flow in one direction while effectively preventing any backward flow, ensuring the integrity and efficiency of plumbing systems.

British Market check valves are constructed using high-quality materials chosen for their durability, corrosion resistance, and ability to withstand the temperature levels commonly encountered in British climates.These valves are designed to handle the varying temperature extremes found throughout the United Kingdom, ensuring reliable performance even in challenging conditions. 

South America Market - Check Valve

Introducing South America Market Check Valves, specially designed to meet the specific requirements of the South American market, with a strong emphasis on design and temperature levels. These check valves are meticulously crafted to ensure optimal performance, reliability, and compatibility with South American plumbing systems.

Plumbing Check valves within the South America Market range are engineered to provide efficient backflow prevention and secure water flow control. These valves are designed to meet the stringent standards set by regulatory bodies in South America, ensuring reliable operation and preventing any potential water contamination or system damage caused by reverse flow. With their innovative design and precision engineering, South America Market check valves allow water to flow in one direction while effectively preventing any backward flow, ensuring the integrity and efficiency of plumbing systems.

South America Market check valves are constructed using high-quality materials chosen for their durability, corrosion resistance, and ability to withstand the temperature levels commonly encountered in South American climates. These valves are designed to handle the varying temperature extremes found throughout the region, ensuring reliable performance even in challenging conditions. The robust construction and temperature-resistant materials of South America Market check valves make them ideal for a wide range of plumbing applications, offering peace of mind and long-term reliability.

North America Market - Check Valve

Introducing North America Market Check Valves, specially designed to cater to the specific requirements of the North American market, with a strong emphasis on design and temperature levels. These check valves are meticulously crafted to ensure optimal performance, reliability, and compatibility with North American plumbing systems.

Plumbing Check valves within the North America Market range are engineered to provide efficient backflow prevention and secure water flow control. These valves are designed to meet the rigorous standards set by regulatory bodies in North America, ensuring reliable operation and preventing any potential water contamination or system damage caused by reverse flow. With their innovative design and precision engineering, North America Market check valves allow water to flow in one direction while effectively preventing any backward flow, ensuring the integrity and efficiency of plumbing systems.

North America Market check valves are constructed using high-quality materials chosen for their durability, corrosion resistance, and ability to withstand the temperature levels commonly encountered in North American climates. These valves are designed to handle the varying temperature extremes found throughout the region, ensuring reliable performance even in challenging conditions. The robust construction and temperature-resistant materials of North America Market check valves make them ideal for a wide range of plumbing applications, offering peace of mind and long-term reliability.

Certified by

About Quality Control

Valogin is equipped with CNAS testing center, including more than 100 domestic and foreign advanced equipments such as Germany OBLF spectrometer, metallographic analyzer, projecter, comprehensive tester, and other advanced testing equipments etc. According to the ISO17025 standard which conforms to EN, CSA testing standards, effectively guarantee the testing ability of ball valve, bibcock, thermostatic radiator valve, floor heating valve and other series products.

The CNAS is about testing center is a comprehensive functional unit including testing, measurement, simulation and display with 15 functional subareas. In 2010, it was approved by China National Accreditation Service for Conformity Assessment (CNAS) for the first time. It covers an area of 1,025 square meters, with more than 80 equipments, including over 100 testing items, involving material analysis, geometric measurement, aging reliability, mechanical properties, physical/chemical analysis, fluid mechanics, metrology, calibration and other fields, achieving "One Report, Global Access".

Raw Material Control

Before production, we carry out IQC-- Incoming Quality Control with spectrometer , which strictly controls the raw materials according to the standards, quality control on the semi-finished products, and cross-check of the man ufacturing process.

Production Process Control

During production, we adopt spot check and patrol inspection to screen out defective products every two hours.

Finished Product Control

After the production, we use OQC-- Outgoing Quality Control to check the quality of finished products, comprehensively check the package, label, shape, structure, function and performance.

Manufacturing

With manufacturing ability from material to spare parts, valogin has formed a vertical production supply chain, effectively improving the capacity and shortening the delivery time. Continuous quality control on raw material, production process and finished products.

Lean Production
The lean production line not only saves labor costs, but also increases the productivity from 160 pcs to 450 pcs per 8 hours of each employee , and the first pass rate has been increased to 99% , the strong capability of “ Scheduled and Qualified “ provides excellent products and services to our customers all over the world.
Lean production line
Excelling in hardware is far from enough. We also adopt Lean Production Management from Toyota since 2009 , thus PDCA, 6S and JIT Modes are introduced to improve the field management level. From traditional line with 3 transfer times and 15 workers per line to lean production line with only 1 transfer time and 5 workers, Valogin currently has more than 56 lean assembly lines with production capacity 150,000 pcs per day
Automatic hot forging
Valogin has 38 sets hot forging equipments with production capacity 28 Tons per day
Automatic machining
Valogin has more than 55 sets CNC Machines and 60 sets Multi- Rotary CNC Machines with production capacity 355,000 pcs per day
Automatic assembly
Valogin has realized 80% automatic production of core spare components parts through continuous automatic production equipment, there is 5 sets automatic assembly line with production capacity 65,000 pcs per day .
90% core components
Valogin has realized 90% of core spare parts produced by ourselves in order to guarantee the quality and satisfy delivery time
Well organized warehouse
There is a very well organized warehouse in Valogin with total output of finished products 235,000 pcs per day
Previous slide
Next slide

Blog

Valogin always holds on to the independent innovation strategy.

Get in Touch

We like to hear your feedback

The gateway to getting in touch with our team for contact. Whether you have a question, feedback, or a general inquiry, we are always happy to hear from you. On this page, you will find all the necessary information to get in touch with us, including our contact details, email address, and physical location.

Our dedicated customer support team is available to assist you with any questions or concerns you may have, and we strive to respond to all inquiries as quickly as possible. Your satisfaction is our top priority, and we are committed to providing you with the best possible customer service.

GET YOUR FREE QUOTE