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Introduction to the working principle and advantages of knife gate valves
Knife gate valve is a commonly used pipeline valve that can be used to control and cut off the flow of fluid. Its working principle is to control the flow of fluid through the up and down movement of the blade. Compared with other valves, it has many advantages. This article will take "Introduction to the Working Principle and Advantages of Knife Gate Valves" as the topic to elaborate on the working principle and advantages of Knife Gate Valves.
The working principle of a knife gate valve is very simple. It consists of several important components such as valve body, blades, and seals. When it is necessary to cut off the fluid, the blade moves downwards to prevent the fluid from passing through the valve; Dynamic pressure tight seal, when flow is required, the blade moves upwards,Fluid can pass smoothly. Through this movement method, the knife gate valve achieves precise control of the fluid, possessing the characteristics of flexibility and reliability.
The advantages of knife gate valves are mainly reflected in the following aspects
Firstly, the knife gate valve has a smaller flow resistance. Due to the design of the blade, the fluid can pass through the valve in the open state, resulting in less pressure loss for the blade gate valve, saving energy, and reducing operating costs
Secondly, the sealing performance of the knife gate valve is excellent. The contact area between the seal and the blade is large, which can effectively prevent fluid leakage. Moreover, due to the adjustable height of the blade, better sealing effects can be achieved based on fluid properties and operating conditions.
Once again, the knife gate valve has excellent wear resistance and corrosion resistance. The blade and valve seat are made of wear-resistant materials, which can maintain long-term use in harsh working conditionsSame valve seat and blade material to meet the requirements of different media. This has made knife gate valves widely used in fields such as chemical, petroleum, and power.
In addition, knife gate valves have the characteristics of simple structure and easy maintenance. Compared to other valves, knife gate valves have a relatively simple structure and are easy to install and maintain. When it is necessary to replace blades or seals, simple operations are required, greatly saving maintenance time and costs.
Overall, as a commonly used valve, knife gate valves have unique working principles and advantages. Through the up and down movement of the blade, the knife gate valve can accurately control the flow on and off, while possessing small flow resistance, excellent sealing performance, excellent wear and corrosion resistance, and simple and easy maintenance characteristics. These advantages make knife gate valves play an important role in industrial production, providing stable and reliable technical support for fluid control
Hebei Jiwei Valve Trading Co., Ltd. is a private joint-stock enterprise with independent legal personality and direct import and export rights. As a professional and high-quality supplier in the valve industry, it has a history of more than ten years. Our products mainly include GB/JB (China), DIN (Germany), Russian standards, API/ANSI (USA) and other standards. Diameter: DN 15 ~ DN 2000, pressure level: 0.25 ~ 10.0 Mpa, working temperature: -60 ~ 450 ºC.The main materials are gray cast iron, ductile cast iron, carbon steel, stainless steel and so on. Our main products include gate valves, globe valves, check valves, ball valves, butterfly valves, bottom valves, plug valves, Y-strainers, flanges, elbows, etc. Products are widely used in petroleum, chemical, electric power, construction, pharmaceutical, water supply and drainage and other fields. Our products have been exported to Russia, Ukraine, Pakistan, Kazakhstan, Malaysia, Belarus and other countries, and won the trust of customers and good reputation. Looking forward to the future, we sincerely hope that more foreign customers will cooperate with us to realize our common interests.
3: Is the requirement for MOQ?
A: For some small size, like 2''-48''(DN50-DN1200), it request the MOQ is 50pcs for each size. Generally speaking, it depends on your order.
4 : How about the warranty?
A: The warranty time is 12 months after leaving our factory. We can repair or change because of the quality problems.
5 : Payment
A : Mainly T/T, Payment Term: 30% prepayment, 70% balance paid before shipping or against copy of BL.
6: Can you manufacture different standards valves according to customer requirements?
A : Yes. We can manufacture API,DIN,GOST standards for different pressure & temperature & size according to different needs.
If you want to know more about our products, please contact freely. We will patiently answer your all questions.
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