Metal inner arc ring or Metallic VSP Ring for Separation, Absorption and Distillation


Metal inner arc ring is also called VSP. During plant operation these rings create gas/liquid contact on easily wettable surfaces and promote the formation of droplets as the liquid cascades through the packed bed. This ensures good liquid mixing and consistent and uniform distribution. This open non-testing structure creates high efficiency and a very low pressure drop, low pressure drop, good distribution of gas-liquid.


Specifications:


Metal Inner Arc Ring (VSP) – High-Efficiency Tower Packing

The Metal Inner Arc Ring, also known as VSP packing, is a high-performance random tower packing designed to optimize gas-liquid contact in industrial processes. Its unique open structure ensures efficient wetting, excellent liquid mixing, and uniform distribution, making it ideal for mass transfer applications.

Key Features & Advantages:

  • Enhanced Gas-Liquid Contact
    The ring’s design promotes droplet formation as liquid cascades through the packed bed, improving mass transfer efficiency.

  • High Efficiency & Low Pressure Drop
    The open, non-clogging structure ensures minimal resistance to gas flow, reducing energy consumption in operations.

  • Excellent Liquid Distribution
    Provides uniform liquid spreading, enhancing separation and absorption processes.

  • Strong & Durable
    Manufactured from high-quality metals, including stainless steel, carbon steel, and special alloys, ensuring long service life and corrosion resistance.

Applications in Industrial Processes:

The Metal Inner Arc Ring (VSP) is widely used in:

  • Distillation & Absorption Towers

  • Gas Scrubbing & Stripping Columns

  • Chemical & Petrochemical Processing

  • Environmental Protection & Pollution Control Equipment

Would you like more details on specifications, material options, or performance data?


• Material: carbon steel; SS 304, SS 304L, SS 410, SS 316, SS 316L.

• Package: plastic bags with pallet.


Size inch/mmBulk density (304,kg/m3)Number (per m3)Surface area (m2/m3)Free volume (%)Dry packing factor m-1
1”25*0.32095250019697.3212.2
1”25*0.42905250019696.3219.2
1.5”38*0.41981550013497.5144.9
1.5”38*0.63081550013496.2151.3
2”50*0.5192685010297.6110.1
2”50*0.6234685010297111.8
2”50*0.8315685010296115.5
3”76*0.615119506798.171.3
3”76*0.820619506797.472.9
3”76*1.026119506796.774.4

Advantage


Material of metallic VSP ring

· Carbon steel.

· Aluminum alloy steel.

· Titanium alloy steel.

· Copper.

· Stainless steel.

Features of metallic VSP ring

· Reasonable geometric symmetry.

· Increased 15%–30% flux.

· Reduced 20%–30% pressure drop.

· Evenly gas and liquid distribution.

· High mass transfer performance.


Applications of metallic VSP ring

·Separation.

·Absorption.

·Desorption.

·Atmosphere-vacuum distillation.

·Decarburization of synthesis ammonia.

·Desulfuration of synthesis ammonia.

·Separation of ethyl benzene.

·Separation of isooctane.

·Separation of methylbenzene.


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