The CV3000-HCN low-noise cage-guided control valve is an intelligent control unit specifically engineered for modern industrial processes involving high differential pressures, high flow velocities, and stringent environmental noise requirements. This valve combines a high-performance actuator with a pressure-balanced body equipped with a specialized multi-hole silencing cage. Its core technology involves dividing the medium fluid into a large number of micro-jets through a perforated throttling cage, effectively suppressing hydrodynamic and aerodynamic noise by utilizing fluid dispersion and step-by-step kinetic energy dissipation. Compared to standard cage valves, the CV3000-HCN significantly reduces operating decibels and prevents cavitation damage. The valve receives standard analog signals from DCS or PLC systems to achieve precise proportional regulation of steam, gas, or high-pressure water, making it an ideal execution device for silent control and high-reliability operation in power, petroleum, chemical, and urban heating systems.

Product Image of CV3000-HCN Low Noise Cage Guided Control Valve

1.Exceptional noise and vibration reduction:Utilizes a specially designed silencing cage to alter the frequency characteristics of the fluid via small-hole throttling technology. Under typical high pressure drop conditions, it can reduce noise by 15-25 decibels while effectively minimizing valve body vibration caused by fluid impact.
2.Pressure-balanced plug structure:The plug features precision balance holes that utilize the medium's own pressure to offset most of the unbalanced force acting on the plug. This design significantly reduces the thrust required from the actuator, allowing low-power drives to achieve stable control over high-pressure fluids.
3.Superior anti-cavitation protection:The multi-hole throttling structure guides the fluid pressure to recover slowly within the cage windows, thereby inhibiting the occurrence of cavitation. This greatly protects internal sealing surfaces from cavitation erosion and significantly extends the valve's service life under harsh pressure differentials.
4.High-precision linear regulation:The shape of the throttling windows is designed through computer-aided fluid simulation to ensure the flow characteristic curve strictly conforms to linear or equal percentage requirements. High positioning resolution and minimal dead zones ensure process parameters remain stable with minimal fluctuation around the set point.
5.Full-stroke precision cage guiding:The large-area side-guiding design ensures the plug remains precisely aligned axially throughout its entire stroke. This robust guiding mechanism effectively resists mechanical stress and turbulent interference, ensuring long-term dynamic stability.
6.Excellent material durability and resistance:Valve bodies and key internals are available in high-strength carbon steel, stainless steel, and wear-resistant alloy steel. Sealing surfaces are typically hard-faced with Stellite or nitrided to ensure excellent sealing integrity in abrasive media such as high-temperature and high-pressure steam.
7.Intelligent control and protection:Equipped with an intelligent actuator with a built-in high-precision servo system. It supports auto-calibration, self-diagnosis, and various fail-safe logic. Comprehensive electrical protection functions facilitate integration into highly automated Industrial IoT control systems.
8.Convenient modular maintenance:Adopts a top-entry assembly structure. During maintenance, the internal cage and plug assembly can be quickly inspected or replaced by vertically extracting the actuator and bonnet without removing the valve body from the pipeline, significantly shortening O&M time.

Structural Drawing of CV3000-HCN Low Noise Cage Guided Control Valve

List of Component Names and Materials

Valve Body Material：Cast Steel (WCB), Stainless Steel (304, 316, 316L)

Packing：V-type PTFE packing, PTFE impregnated asbestos packing, Woven asbestos packing, Graphite packing

Performance Specification Sheet

Standard requirements for external dimensions

1. The structural length of the valve shall comply with the standard of GB/T12221

2. Connecting flanges according to GB/T17241.6 standard

Outline dimension table

Due to the rapid R&D iteration speed of valve products from China Kaivex Valve Group Co., Ltd., the above technical parameters and specification documents, including product overview, features, parts materials, outline dimension charts, CAD drawings, and product instruction manuals, are for your reference only. For actual applications, please contact our valve sales engineers to obtain the support you need for free. Thank you!