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Position: Home > News > Industry News
【Valve Knowledge】 The Role of Control Valves in Pipelines..
Control valves are core control components in pipeline systems. Their core function is to precisely regulate key parameters of the medium (liquid, gas, steam, etc.) within the pipeline by changing the flow area between the valve core and seat, thus meeting the process requirements and stable operation needs of industrial production, energy supply, water treatment, and other scenarios.
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Oct,2531
【Valve Knowledge】Classification of Check Valves..
1. Classification by Structural Form 2. Classification by function and application scenario 3. Classification by material 4. Classification by connection method 5. Classification by special working conditions.
Oct,2524
【Valve Knowledge】Main Functions of Pressure Reducing Valves..
1. Pressure Regulation and Stabilization.2. Protecting Equipment and System Safety.3. Energy Saving and Optimized Operation.4. Adapt to Different Operating Conditions.5. Flow Control Assistance.
Oct,2515
【Valve Knowledge】Common Materials for Valve Bodies..
Metal materials are the core choice for valve bodies due to their high strength and good pressure resistance. According to the material properties, they can be divided into cast iron, cast steel, stainless steel, non-ferrous metals and corrosion-resistant alloys.
Oct,2507
Why might a valve fail to open after being closed for an extended period?..
The key reason a valve fails to open after being closed for an extended period is that, due to the media and environmental influences, the valve's internal components undergo physical or chemical changes during prolonged static operation. This can cause moving parts (such as the valve stem, gate, and ball) to become stuck or locked, preventing them from operating normally.
Sep,2522
Selecting Valves for Corrosive Media Like Strong Acids and Alkalis..
Selecting valves for corrosive media like strong acids and alkalis is a critical and highly specialized issue. Improper selection can lead to rapid valve failure and media leakage, resulting in safety incidents, environmental pollution, and production interruptions.
Sep,2517
Pneumatic valves move slowly. What might be the cause?..
The core reason for the slow movement of pneumatic valves is "insufficient power (compressed air)" or "excessive resistance" to drive the valve movement, which causes the actuator to push the valve core/disc and other components to move at a lower speed.
Sep,2507
Basic Principles and Considerations for Selecting Common Valves..
Clarify Valve Function and Identify Valve Application: When selecting common valves in chemical engineering design, it is important to fully understand their specific functions and accurately identify their intended use. This foundation requires clarifying the valve's key role, fully understanding basic parameters such as the valve's corresponding control method and operating pressure, and mastering its functional role. By comprehensively considering the specific circumstances, a rational selection of common valves can be made.
Sep,2502
common-errors-and-hazards-in-valve-installation..
As the core component of a fluid control system, the quality of its installation directly affects the operating efficiency, safety and service life of the system. During the actual installation process, various errors are prone to occur due to improper operation, insufficient technical knowledge or inadequate control of details, which may not only lead to leakage, increased energy consumption and other problems, but also cause equipment damage and safety accidents in serious cases. We have sorted out the common errors in valve installation from multiple dimensions and analyzed their causes
Aug,2526
Why is 304 material not recommended for bolts?..
304, 304L, 316 and 316L are stainless steel grade codes in the American material standard (ANSI or ASTM), belonging to the 300 series of austenitic stainless steel. The corresponding grades in the domestic material standard (GB/T) are 06Cr19Ni10 (304), 022Cr19Ni10 (304L), 06Cr17Ni12Mo2 (316), 022Cr17Ni12Mo2 (316L). This type of stainless steel is usually referred to as 18-8 stainless steel.
Aug,2518
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