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Gas valves and engineering valves are indispensable and important components in the industry. They are widely used in various gas treatment systems and workplaces to ensure the safety, stability and efficiency of gas flow. Our valve design, manufacturing and selection fully consider factors such as the working environment, gas type and pressure to ensure stable and reliable operation in complex industrial environments.
Gas valves are specially used to control gas flow. The structure and working principle vary according to the gas type and pressure. They precisely regulate gas flow, pressure and direction to meet diverse process needs. Whether in petrochemicals, pharmaceutical production or food processing, gas valves play a key role. They ensure the safe transmission of gas in pipelines and prevent dangerous situations such as gas leaks and explosions.
Engineering valves are mainly used in large-scale engineering projects, such as water conservancy projects, power projects, and construction projects. These valves typically have larger sizes and higher operating pressure requirements and are able to withstand greater fluid shock and high temperatures. The design and manufacture of engineering valves fully consider the specific needs and environmental conditions of the project to ensure long-term stable operation. In water conservancy projects, engineering valves control the direction and flow of water flow to rationally utilize water resources; in power projects, they are used to control the flow of steam, water or other media to ensure the normal operation of power generation equipment.

About Us
Ningbo Kaituo Valve Co., Ltd.
Ningbo Kaituo Valve Co., Ltd., also known as Ningbo Anke Fire Equipment Co., Ltd., is a young and dynamic factory specializing in the research and development, production and export of fire equipment. It owns the anke brand and a number of national high-tech patents.
Founded in 2001, our company is China Gas Extinguisher Valve Factory and Wholesale Gas Valves and Engineering Valves Manufacturers, which mainly provides high-quality fire protection products for the international market, specializing in the production of various types of fire extinguisher accessories, marine gas cylinder valves, gas valves, etc. After years of hard work and continuous improvement of process reform, our products are exported to dozens of countries around the world and have won a good international reputation. All of our products have obtained the EU EN, CE certification in 2007.
Welcome all customers to call and visit us. Our company has a professional sales team to provide accurate services.
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Gas Valve, Engineering Valve Industry knowledge

Design features of gas fire extinguisher valves
In the field of fire safety, gas fire extinguisher valves are an indispensable core component in the fire extinguishing system. Their design and performance are directly related to the effectiveness and reliability of the entire fire extinguishing system. Ningbo Kaituo Valve Co., Ltd., with its profound industry experience and technical accumulation, focuses on the research and development and manufacturing of high-quality gas fire extinguisher valves.
Material selection
The material selection of gas fire extinguisher valves is crucial. Kaituo valves use high-strength alloy materials and corrosion-resistant coatings to ensure the stability and durability of the valves under high pressure and extreme environments. These materials can withstand working pressures up to 300 bar and have excellent temperature resistance, adapting to a variety of climatic conditions. In addition, stainless steel materials are used for the internal components of the valve to effectively prevent rust and corrosion, thereby significantly extending the service life.
Precision machining process
During the production process, Kaituo valves use advanced CNC machining equipment to ensure the accuracy and consistency of each product. Key components of the valve, such as the valve body and valve core, are subject to strict process and quality inspections to ensure their sealing and reliability during use. Precision machining not only improves the overall performance of the valve, but also effectively reduces the risk of leakage under high pressure, ensuring that the fire extinguishing agent can be released efficiently.
Reliable sealing design
The sealing performance of the gas extinguisher valve directly affects the storage and release of the fire extinguishing agent. The Kaituo valve adopts a multiple sealing design, combined with the precise matching of the O-ring and the valve seat, to ensure good sealing under various working conditions. This design effectively prevents the leakage of the fire extinguishing agent and ensures that the fire extinguishing agent can be released quickly and effectively in an emergency.
Humanized operation interface
In the design of the gas fire extinguisher valve, Kaituo valve fully considers the user's operating convenience. The valve is equipped with concise and clear operating instructions and an ergonomic handle design, allowing users to quickly identify and operate in an emergency. The handle design has been carefully considered to ensure that the valve can be easily opened and closed even in a high-pressure environment, thereby improving the efficiency of fire extinguishing.
Safety protection mechanism
To ensure safe use, Kaituo valve integrates a variety of safety protection mechanisms in the gas fire extinguisher valve. For example, a pressure release device is installed inside the valve, which can automatically release excess gas when the pressure is too high to prevent the valve from malfunctioning due to overpressure. In addition, the valve is also equipped with an anti-misoperation design to prevent accidental opening in non-emergency situations, ensuring the safety of the fire extinguishing system.
Adaptable design
The gas fire extinguisher valve design of Kaituo Valve is highly adaptable and compatible with various types of fire extinguishing agents, such as carbon dioxide, dry powder, etc. This multifunctional design allows users to be more flexible in choosing fire extinguishers and can make corresponding choices according to different fire extinguishing needs. At the same time, the interface design of the valve complies with international standards, which is convenient for connection with various types of fire extinguishing equipment and significantly improves the compatibility of the system.
Tips for using Gas Extinguisher Valve
The gas extinguisher valve is an indispensable key component in fire safety equipment. Its correct use can not only significantly improve the efficiency of fire extinguishing, but also effectively protect life safety in emergency situations. In order to ensure the reliability and effectiveness of the fire extinguisher, users need to have a deep understanding of the structure and operation process of the equipment.
Familiarity and understanding of the equipment
Before using the gas fire extinguisher valve, users should fully understand the structure, working principle and specific functions of the fire extinguisher. The gas fire extinguisher valve of Kaituo Valve is usually composed of multiple components such as valve body, valve core, pressure gauge and release handle. Users should read the product manual carefully to understand the functions and operating procedures of each component so that they can respond quickly and accurately in an emergency.
Regular inspection and maintenance
The reliability of the gas fire extinguisher valve directly affects the overall performance of the fire extinguisher, so regular inspection and maintenance are essential. Users should regularly conduct a comprehensive inspection of the fire extinguisher and its valve to ensure that it is always in good working condition. The inspection includes:
Visual inspection: Carefully observe whether the valve has obvious damage, corrosion or leakage.
Pressure check: Confirm whether the pointer of the pressure gauge is in the normal range to ensure that the storage pressure of the fire extinguishing agent is sufficient.
Function test: Perform functional tests on the valve regularly to ensure that it can open and close smoothly.
Kaito Valve recommends that users conduct a comprehensive inspection at least once a year to ensure the reliability and effectiveness of the fire extinguisher.
Correct operation of the valve
When using a gas fire extinguisher, the correct operating steps are essential. The following is the standard operating procedure for using Kaito Valve gas fire extinguishers:
Pull out the safety pin: Before preparing to use the fire extinguisher, the safety pin should be pulled out first. The safety pin is usually located on the valve handle to prevent misoperation.
Hold the valve handle: Hold the handle of the fire extinguisher tightly with one hand, and prepare to press the release button or handle with the other hand.
Point to the fire source: Before releasing the fire extinguishing agent, make sure to point the nozzle at the root of the fire source, not the top of the flame.
Press the release button: Gently press the valve handle to release the fire extinguishing agent. Keep the nozzle at a proper distance from the fire source to ensure that the fire extinguishing agent can effectively cover the fire source.
Choose the right fire extinguishing agent
Different types of fires require different types of fire extinguishing agents. Kaituo Valve's gas fire extinguisher valve design is compatible with a variety of fire extinguishing agents, such as carbon dioxide, dry powder, etc. Users should choose the right fire extinguishing agent according to the nature of the fire:
Flammable liquid fire: Dry powder fire extinguisher is recommended.
Electrical fire: Carbon dioxide fire extinguisher should be used, never water.
Solid fire: Foam or dry powder fire extinguisher can be selected.
Safety precautions
When using a gas fire extinguisher valve, users should always be vigilant and follow the following safety precautions:
Keep calm: In an emergency, it is crucial to stay calm. Quickly assess the fire and determine whether you have the ability to extinguish the fire by yourself.
Ensure ventilation: When using a gas fire extinguisher, ensure that the surrounding area is well ventilated to avoid inhalation of harmful fumes.