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9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

Fine bubble high performance air diffusers. Semi flexible diffuser construction 300cm long 32mm diameter. Maximum recommended air flowrate is 10 cubic metres of air per hour. Materials of construction are plastic with 316 stainless steel end fittings, aslo fitted with non return valve in diffuser. Diffuser contains its own internal fused silica bead ballast. End fittings are 1/2" acetyl plastic as standard.

The Dryden Air diffuser is the leading air diffuser used in UK aquaculture, treatment of leachate water on landfill sites, sewerage treatment and numerous other applications.


OEM and dealer enquires welcomed
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AFM grade 1 filtration media

AFM grade 1 filtration media

AFM (Advanced Filtration Media) grade 1 is the standard sized AFM media equivalent to 16 x 30 grade sand. M

Supplied in 25kg sacks, grade 1 particle size 0.5mm to 1.10mm. Media should be used on top of a layer of grade 2 AFM.

Price is per 25kg sack

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Oxygen standard probe

Oxygen standard probe

High performance, very robust galvanic oxygen probe for the measurment of dissolved oxygen in water, waste water and air. Completely sealed internals, so there is no risk of insulation failure, heavy duty Sub Sea cable, high mv out-put 6.5 mv to approx 1mg/l dissolved oxygen. Ideal probe for the Dryden Aqua, AquaTraul system or your own oxygen monitors such as multichannel or stand-alone PLC based systems.

The probe is supplied with 5 meters of cable (alternative lengths available), pack of 5 membranes and 50ml of electrolyte.

Please enquire about discounts for orders of 10 or more.
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Aquaculture | Water Technology | Environmental Products.....delivered worldwide

Bag filters

dry1 | Pressure sand filters, cartridge and bag filters  | Bag filters

Bag filter

Bag filter

Ref: 5-11-10


Price: £1,879.00 / €2,160.85 (Excluding VAT at 17.5%)

Bag filter type 78-0903c. Materials of construction is 316 grade stainless steel. Port size is 2" flanged connection, surface area of bag is 8 square feet, maximum flowrate is 20 cubic metres per hour. It is the same flowrate for all bag micron sizes, but blockage will occur sooner with the smaller micron ratings. Maximum pressure rating is 5 bar, max differential pressure across bag is 0.3 bar, burst pressure approx 1 bar for the bag.

Bag micron rating is optional, and can be selected from list below.
more information

Bag for bag filter 1 micron

Bag for bag filter 1 micron

Ref: 5-11-33


Price: £68.30 / €78.55 (Excluding VAT at 17.5%)

Bag for bag filter, different micron ratings for the plastic mesh bag are available, please choose the one most appropriate for your application. The bags are easily cleaned and can be interchanged with different micron rating bags.
more information

Bag for bag filter 5 micron

Bag for bag filter 5 micron

Ref: 5-11-34


Price: £68.30 / €78.55 (Excluding VAT at 17.5%)

Bag for bag filter, different mircon ratings for the plastic mesh bag are available, please choose the one most appropriate for your application. The bags are easily cleaned and can be interchanged with different micron rating bags.
more information

Bag for bag filter 10 micron

Bag for bag filter 10 micron

Ref: 5-11-35


Price: £68.30 / €78.55 (Excluding VAT at 17.5%)

Bag for bag filter, different mircon ratings for the plastic mesh bag are available, please choose the one most appropriate for your application. The bags are easily cleaned and can be interchanged with different micron rating bags.

Bag for bag filter 25 micron

Bag for bag filter 25 micron

Ref: 5-11-36


Price: £68.30 / €78.55 (Excluding VAT at 17.5%)

Bag for bag filter, different mircon ratings for the plastic mesh bag are available, please choose the one most appropriate for your application. The bags are easily cleaned and can be interchanged with different micron rating bags.

Bag for bag filter 50 micron

Bag for bag filter 50 micron

Ref: 5-11-37


Price: £68.30 / €78.55 (Excluding VAT at 17.5%)

Bag for bag filter, different mircon ratings for the plastic mesh bag are available, please choose the one most appropriate for your application. The bags are easily cleaned and can be interchanged with different micron rating bags.

Bag for bag filter 100 micron

Bag for bag filter 100 micron

Ref: 5-11-38


Price: £68.30 / €78.55 (Excluding VAT at 17.5%)

Bag for bag filter, different mircon ratings for the plastic mesh bag are available, please choose the one most appropriate for your application. The bags are easily cleaned and can be interchanged with different micron rating bags.

dry1 > Pressure sand filters, cartridge and bag filters  > Bag filters

Prices shown are all ex-works Edinburgh Scotland