t: +44 (0) 1366 389680 e: sales@pallrings.co.uk


Biological Media

In biological processes, the main concern is to maximise the surface area of the packing on which the bacteria inhabit, whilst maintaining open access for two-phase contact.Much of the random media currently in use is based on the original Raschig Ring. Even though this packing is cost-effective to produce, the internal surface contact is poor and it is susceptible to

Read More


Koi-PAK is a biological carrying media specifically designed for use in aquariums & pond filters.

Read More
Packing Support Plate

Packing Support Plates

Packing Support Plates are an integral part of a packing tower, supporting the tower packing bed and contributing to the performance of the mass transfer operation.

Read More


New Biomedia (Biological Filter Media) designed to assist in various aerobic treatment and trickle filter applications.

Read More

Raschig Rings

PERFORMANCE CHARACTERISTICS OF RASCHIG RINGS • First generation packing type used in mass transfer processes • Comprises of a simple hollow cylindrical tube with a height : diameter (aspect) ratio of 1:1 • Proven, well-established and well-documented • Exceptional strength to weight ratio • Good resistance to fouling

Read More

Pall Rings – Plastic

The innovative design of our Plastic Pall Ring tower packing significantly increases its performance in terms of throughput, efficiency and pressure drop.

Read More
AstraPak Packing Media


The astraPAK® provides the lowest pressure drop of all our random plastic tower packing types and thanks to its distinctive structure it is also extraordinarily robust and resilient.

Read More


The re-distributor is a key element of the packed tower, having the task of collecting and redistributing the liquid falling from an upper packed bed.

Read More

Get In touch!

+44 (0) 1366 389680