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Top-mounted perforated cage type regulating valve

A top-guided multi-hole cage-type regulating valve, featuring cage-type sleeve guidance and pressure-balanced valve core. It is a high-performance regulating valve with good dynamic stability, suitable for harsh working conditions. It has the characteristics of stable operation, large allowable pressure difference, accurate flow characteristics, and low noise. It is particularly suitable for working environments where leakage is allowed to be small, noise is required to be low, and the pressure difference before and after the valve is large. When the working pressure difference is large, the flow velocity of the medium is fast, which simultaneously causes severe erosion and damage to the valve internals and generates a lot of noise. Therefore, we changed the window-type standard sleeve to a multi-hole sleeve. For liquid media, the general flow direction is from the top of the valve to the bottom. Through the multi-hole throttling, the medium collides inside the sleeve, consuming internal energy and reducing the flow velocity. For gas media, a low-inlet and high-outlet method is generally used, causing the gas medium to undergo throttling through the multi-hole sleeve, resulting in a volume expansion behind the valve seat, thereby reducing the medium pressure and lowering the flow velocity.

Detail

Design features

● The design adopts a top-guided type. 

● Balances internal structure and has high pressure resistance capability. 

● Pressure-balanced valve core 

● Compact structure, light weight 

● Quick response to actions 

● Low pressure drop loss 

● Large valve capacity 

● Good dynamic stability

Technical parameter

● Key operating conditions: noise suppression, cavitation, erosion, high flow rate, corrosive nature, general operation conditions 

● Traffic characteristics: Percentage, Linear characteristics 

● Optional materials: WCB, 304, 316, 316L, WC6, WC9, 310S 

● Valve size: DN15 - 600mm; NPS1/2~24"

● Pressure rating: PN1.0 - 42.0 MPa; CL150~2500

● Temperature range: -40 to +650℃ (optional for industrial and mining applications) 

● Process connection: Flange, welding, thread, optional customization 

● Gasket: Enhanced Teflon gasket, metal graphite gasket, high-pressure toothed gasket 

● Filler material: Polytetrafluoroethylene, Flexible Graphite 

● Actuators: Pneumatic actuators, Electric actuators 

● Other configurations: Contact the BAHE business personnel or the technical department to obtain more technical specifications or option information about this product.

Product Application Range

Petrochemical Industry
Petrochemical Industry
Biopharmaceutical Industry
Biopharmaceutical Industry
Environmental Protection Water Treatment Industry
Environmental Protection Water Treatment Industry
Liquefied Natural Gas Industry
Liquefied Natural Gas Industry
Papermaking/Printing Industry
Papermaking/Printing Industry
Oil And Gas Pipeline Transportation Industry
Oil And Gas Pipeline Transportation Industry
  These equipment is suitable for accurate control of gases, liquids, steam and other media, and process parameters such as pressure, flow, temperature, and liquid level are maintained at given values. It is especially suitable for working places where the allowable pressure difference is small and the allowable leakage is small.

Products and services that meet process control requirements

   Each process, each facility, and each environmental constraint has its own special requirements. As a result, BAHE offers a comprehensive range of products covering different performance levels, pressures, different functions and different materials.

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