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Pall Ring

Pall ring was developed by BASF in the 1940s on the basis of the Raschig ring. Through punching holes in the ring wall to greatly improve the inner space and surface, Pall ring achieves some obvious advantage than Raschig ring, such as less airflow resistance, large flux, high separation efficiency and flexibility of operation,etc. Nowadays, Pall ring is widely used tower packing in fine chemical industry.

Types of Pall Ring

Ceramic Pall Ring

Ceramic Pall Ring is a kind of random packing further developed based on Raschig Ring, with two layers of windows opened along its tube wall.

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Metal Pall Ring

Metallic Pall Rings are an advancement on the Raschig Ring, with similar cylindrical dimensions but with two rows of punched out holes, with fingers or webs turned into the centre of cylinder.

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Plastic Pall Ring

NAIKE Plastic Pall Ring is versatile. This product was advanced on the basis of Plastic Rasching Ring, and compared with it, both of them have similar cylindrical dimensions.

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Application of Pall Ring


It has been intended that Pall ring can be used in almost all kinds of separation, constant decompress plants, absorb plants, compounding ammonia plant, desulfurization, decarbonization, separation of sooctane / methylbenzene, separation of ethylbenzene, aeration, absorption, desorption, degassing, stripping distillation, extraction, heat recovery and atmospheric pressures separation and absorption, it is when the lower pressure drop happens at a critical level thermore , it is also used for quench towers, direct contact cooling, steam stripping, reaction column distillation columns, and tower packing. Pall ring has been designed in different sizes as to optimise its capabiand efficiency of performance on various application requirements

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Email Us: cherry@nkchem.com
Call Us: +86 0799-3673808
Add: NO. 91, Anyuan West Street, Pingxiang, Jiangxi, China
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