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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

UVc disinfection

dry1 | Drinking water systems | UVc disinfection

UVc disinfection DBD2

UVc disinfection DBD2

Ref: 4.6.3.1


Price: £398.00 / €457.70 (Excluding VAT at 17.5%)

Stainless steel UVc disinfection unit, for the treatment of up to 2.5 cubic metres of water per hour with an irradiation dose of 40mj, sufficient to give a log 3 (99.9%) reduction in the bacterial levels. The performance of the unit should be occassionally checked using our bacterial dip slides, especially if you water contains a high level of iron or manganese. If the water has a high level of solids it should be filterd down to 5 microns prior to UV treatment.
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UVc disinfection DBD3

UVc disinfection DBD3

Ref: 4.6.3.2


Price: £484.00 / €556.60 (Excluding VAT at 17.5%)

Stainless steel UVc disinfection unit, for the treatment of up to 3.5 cubic metres of water per hour with an irradiation dose of 40mj, sufficient to give a log 3 (99.9%) reduction in the bacterial levels. The performance of the unit should be occassionally checked using our bacterial dip slides, especially if you water contains a high level of iron or manganese. If the water has a high level of solids it should be filterd down to 5 microns prior to UV treatment.
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UVc disinfection DBD2 with UVc sensor

UVc disinfection DBD2 with UVc sensor

Ref: 4.6.3.3


Price: £692.00 / €795.80 (Excluding VAT at 17.5%)

Stainless steel UVc disinfection unit, for the treatment of up to 2.5 cubic metres of water per hour with an irradiation dose of 40mj, sufficient to give a log 3 (99.9%) reduction in the bacterial levels. The performance of the unit should be occassionally checked using our bacterial dip slides, especially if you water contains a high level of iron or manganese. If the water has a high level of solids it should be filterd down to 5 microns prior to UV treatment.

This unit has a built in UVc sensor which will activate an alarm should the UV level received by the water starts to drop. This is an indication that there is a high level of organic matter or solids in the water, or the quarts glass sleeve has become fouled. For highest security we therefore recommend the UV sensor units.
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UVc disinfection DBD3 with UVc sensor

UVc disinfection DBD3 with UVc sensor

Ref: 4.6.3.4


Price: £814.00 / €936.10 (Excluding VAT at 17.5%)

Stainless steel UVc disinfection unit, for the treatment of up to 3.5 cubic metres of water per hour with an irradiation dose of 40mj, sufficient to give a log 3 (99.9%) reduction in the bacterial levels. The performance of the unit should be occassionally checked using our bacterial dip slides, especially if you water contains a high level of iron or manganese. If the water has a high level of solids it should be filterd down to 5 microns prior to UV treatment.

This unit has a built in UVc sensor which will activate an alarm should the UV level received by the water starts to drop. This is an indication that there is a high level of organic matter or solids in the water, or the quarts glass sleeve has become fouled. For highest security we therefore recommend the UV sensor units.
more information

dry1 > Drinking water systems > UVc disinfection

Prices shown are all ex-works Edinburgh Scotland