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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 8 mv to approx 1mg/l dissolved oxygen. Ideal probe for 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

Needle valves, brass with PTFE seals

dry1 | Oxygen diffusers, generators, regulators, fittings | Needle valves, brass with PTFE seals

 1/4 x 1/4 inch fem/fem BSP threaded

1/4 x 1/4 inch fem/fem BSP threaded

Ref: 6.6.68


Price: £17.00 / €19.55 (Excluding VAT at 17.5%)

Brass needle valves suitable for use with oxygen, air carbon dioxide and nitrogen. A selection of valves are available with different end fittings for connection to your hose and equipment. Some of the valves are fitted with hose tails or compression fittings. With these valves the fittings are bonded into the valve using epoxy to make a secure gas tight joint.

3/8 x 3/8 inch fem/fem BSP threaded

3/8 x 3/8 inch fem/fem BSP threaded

Ref: 6.6.69


Price: £17.00 / €19.55 (Excluding VAT at 17.5%)


1/2 x 1/2 inch fem/fem BSP threaded

1/2 x 1/2 inch fem/fem BSP threaded

Ref: 6.6.70


Price: £20.00 / €23.00 (Excluding VAT at 17.5%)

1/2 x 1/2 inch fem/fem BSP threaded

1/4 x 1/4 inch m/m  BSP threaded

1/4 x 1/4 inch m/m BSP threaded

Ref: 6.6.71


Price: £11.99 / €13.79 (Excluding VAT at 17.5%)

1/4 x 1/4 inch m/m BSP threaded

1/4 inch valve with 8mm tails in & out

1/4 inch valve with 8mm tails in & out

Ref: 7.4.40


Price: £16.80 / €19.32 (Excluding VAT at 17.5%)

1/4 inch valve with 8mm tails in & out

1/4 inch valve with 8mm/6mm tails in / out

1/4 inch valve with 8mm/6mm tails in / out

Ref: 7.4.41


Price: £18.80 / €21.62 (Excluding VAT at 17.5%)

1/4 inch valve with 8mm/6mm tails in / out

1/4 inch valve with 6mm tails in & out

1/4 inch valve with 6mm tails in & out

Ref: 7.4.42


Price: £16.80 / €19.32 (Excluding VAT at 17.5%)

1/4 inch valve with 6mm tails in & out

1/4 inch valve with 8/6mm compression

1/4 inch valve with 8/6mm compression

Ref: 7.4.43


Price: £14.80 / €17.02 (Excluding VAT at 17.5%)

1/4 inch valve with 8/6mm compression

1/4 inch valve with 8/6mm & 6/4 mm compression fitting

1/4 inch valve with 8/6mm & 6/4 mm compression fitting

Ref: 7.4.44


Price: £14.80 / €17.02 (Excluding VAT at 17.5%)


dry1 > Oxygen diffusers, generators, regulators, fittings > Needle valves, brass with PTFE seals

Prices shown are all ex-works Edinburgh Scotland