Company News

What is a solenoid valve？- COVNA Knowledge

A solenoid valve is an electromechanical device designed to control the flow of fluids. It operates when an electric current energizes its coil, creating a magnetic field that moves a plunger or armature. This movement opens or closes a pathway, allowing water, gas, or other mediums to flow. Solenoid valves are widely used in industrial automation, irrigation systems, and heating and cooling applications because of their speed, reliability, and ease of control.

Leading the market in innovative designs, COVNA manufactures high-quality solenoid valves that excel in efficiency and durability. By incorporating advanced materials and rigorous testing, COVNA ensures that every valve meets industry standards and delivers precise control for complex systems. Their solutions have become essential for projects ranging from small-scale installations to large industrial processes.

Understanding the operation of a solenoid valve is key for anyone looking to optimize fluid management systems. Its simple design belies an impressive range of applications, making it a vital component in modern automation and control. Whether for personal projects or robust industrial systems, the dependable performance of solenoid valves continues to drive technological advancement.

What Does PCV Valve Do?-COVNA Valve Technology

The PCV (Positive Crankcase Ventilation) valve plays a vital role in the engine. It is mainly used to regulate the pressure in the crankcase, re-introducing the "blowing air" generated by the imperfect piston ring seal during the combustion process into the intake system to achieve exhaust gas re-combustion, thereby reducing harmful emissions and improving engine efficiency.

This process not only effectively controls the exhaust gas flow, but also prevents excessive pressure in the crankcase from causing oil seal leakage or other mechanical failures. Through precise pressure balance and flow control, the PCV valve ensures the stability of the internal environment of the engine, extends the service life of key components, and meets increasingly stringent emission standards.

As an industry-leading valve brand, COVNA relies on advanced production processes and high-quality materials to continuously optimize the design of PCV valves to ensure excellent sealing and response speed under harsh working conditions such as high temperature and high pressure. Whether in regulating flow or maintaining system pressure, COVNA's PCV valves can be accurate and efficient, providing a solid backing for the stable operation of automobile engines.

Today, as emission standards continue to tighten and engine technology becomes more mature, the role of PCV valves is becoming more and more indispensable. With its leading technology and persistent pursuit of quality, COVNA continues to provide reliable and intelligent valve solutions to users around the world. It is this that allows every engine equipped with COVNA products to run steadily on the road of efficiency and safety.

COVNA In-depth Analysis of PCV Valve - Efficient Operation

In internal combustion engines, the PCV valve (positive crankcase ventilation valve) plays a key role. It controls the exhaust gas in the crankcase to be reintroduced into the intake system, which not only reduces harmful emissions, but also maintains the internal pressure balance of the engine, thereby ensuring long-term stable operation of the engine. COVNA is committed to providing high-quality valve products to the market, bringing customers excellent performance and durability through precision manufacturing technology and strict quality inspection standards.

The core task of the PCV valve is to manage the excess gas generated inside the engine. This system uses the pressure difference to automatically adjust the valve opening degree, so that the exhaust gas can be directed to the combustion chamber at the best time to participate in secondary combustion, which not only protects the engine components from excessive pressure damage, but also effectively reduces the emission of harmful substances in the exhaust gas. COVNA has accumulated rich design experience in this field. Its products use high-performance materials and advanced processes to ensure that they can still maintain accurate response under extreme working conditions.

In practical applications, an efficient PCV valve is not just a simple valve, but also a comprehensive system involving fluid dynamics, thermal management and sealing technology. For users who pursue vehicle power performance and environmental protection standards, it is crucial to choose a PCV valve with mature technology and excellent quality.

It is in this context that the COVNA brand, with its rigorous R&D attitude and continuous innovation of technology, brings excellent products that meet international standards to the market and meet the needs of various models and engine configurations.

IFAT Eurasia 2025: Global Eco-Tech & Automation Insights

The IFAT Eurasia Exhibit in Turkey concluded successfully mid-May of this year. This objective of this exhibit is to integrate the global state of the art technologies in environmental protection with Environmental Protection Technology of Eurasia. Grand exhibitions such as this one, unite not only the advanced concepts, but also provide face-to-face discussions and collaborations. During the three-day event, many industry leaders and attendees gathered to exchange insights about current and upcoming technologies in environmental protection and sustainability.

Participants and guests were able to view pneumatic and electric valve automation solutions from COVNA,along with other leaders in industrial automation and environmental protection equipment. Having modern and technological booth layouts which include live product and technical demonstrations, as well as on-the-spot technical consultations, attracts numerous industry specialists and potential partners. Many professionals through in-depth conversations with industry peers are able to learn COVNA’s visionary outlook on eco-friendly industrial practices and automation upgrade.

The exhibition drew in professionals and enthusiasts of environmental technology from different parts of the world who exchanged views on the application of “green technology” and “intelligent automation” in technology-enabled environmental governance. The enthusiasm for innovation at the venue when new products were displayed as well as during the exchange of new technological trends was remarkable. Nearly everyone was optimistic that this model of cross border partnership and knowledge sharing would provide a fresh impetus toward the advancement of environmental protection technology and move the industry to a smarter, greener future3.

Though the exhibition has wrapped up, the diverse impressions and insights collected will deepen the inspiration avenues for the environmental protection technology to be innovated in by a number of industries. Acknowledging all of our guests and business partners, we extend our gratitude to the exhibition organizers for the unwavering trust invested in this exhibition. Moving forward, COVNA will honor its commitment to “scientific and technological innovation leading environmental protection development” and collaborate with other stakeholders toward building the wonderful era of environmental protection technology. Until then, let us meet at the next event to create new milestones together in the environmental protection technology journey!

COVNA invites you to attend the 2025 Turkish Water Exhibition (IFAT Eurasia)

The water treatment industry is undergoing a critical period of technological innovation, and the 2025 Turkish Water Exhibition (IFAT Eurasia) is the forefront of this change. As a global leading supplier of automated valves and fluid control solutions, COVNA will be at Booth 238, Hall 12, TÜYAP Exhibition Center, Istanbul, Turkey from May 15 to 17, 2025, bringing the latest products and application solutions to help the industry develop.

Highlights of the exhibition, get to know first:

🔹 Innovative technology display: COVNA will present advanced electric and pneumatic actuators and intelligent control valves to meet the needs of different industrial scenarios.

🔹 Expert team consultation: The exhibition site will gather industry technical experts to discuss the latest trends in water treatment automation with you.

🔹 Customized solutions: Whether you are interested in industrial water treatment, environmental protection engineering or other fluid control applications, we can provide matching products and services.

🔹 Global cooperation opportunities: COVNA continues to expand its international market and looks forward to working with global partners to promote industry progress.

As an important exhibition in the field of water treatment, IFAT Eurasia brings together water treatment experts and companies from all over the world. It is an excellent platform for technical exchanges and market expansion. If you want to learn about the latest industry trends and find reliable automation solutions, welcome to the COVNA booth, communicate with us face to face, and jointly explore more efficient and intelligent water treatment technologies.

📍 Exhibition information:

- Time: May 15-17, 2025

- Location: TÜYAP FAIR CENTER, Büyükçekmece, Istanbul, Turkey

- Booth number: Hall 12, Booth 238

- Contact: +86 138 2577 8965 / [email protected]

Stay tuned! Let us go to this grand event of the water treatment industry, explore the future, and create brilliance together!

COVNA at NEFTEGAZ, Moscow: Electric and Pneumatic Valves – Come to Our Booth as Well As Our Office

It is with great pleasure that COVNA announces participation in the upcoming NEFTEGAZ exhibition located in Moscow. This exhibition is truly one of a kind within the oil and gas sector and as such, we regard it as a valuable chance to engage with our dear customers and partners from Russia.

We would like to extend a formal invitation to all Russian clients to come by the COVNA booth during NEFTEGAZ. Our representatives will be presenting innovative valve technologies, in particular electric valves and pneumatic valves tailored for rugged service. We encourage everyone to come and explore how these solutions can be optimized for their operations.

As an effort to mark COVNA’s dedication toward the Russian market, a tailored office has now been set up in Moscow. The presence of a local office enables us to deal with queries and provide support in an effective and timely manner, which is essential for customers in the region.

Alongside the exhibition, we would like to extend an invitation to customers from Russia to our office located in Moscow. If you wish to have a detailed discussion about the scope of our electric and pneumatic valves, get acquainted with the local support requirements, or want to understand how our business operates in Russia, we will be delighted to meet you.

The COVNA crew is excited to meet you both in the vivid exhibition zone of NEFTEGAZ and in our offices in Moscow. We hope to develop further relations and partnerships throughout Russia.