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Municipal Sewage Ssi Aerator Fine Bubble Tube Diffuser AFT-N/S31000-EPDM Membrane

Municipal Sewage Ssi Aerator Fine Bubble Tube Diffuser AFT-N/S31000-EPDM Membrane

AFT series aeration tubes are composed of membrane, support tubes, and clamps. When aerating and aerating, compressed air diffuses into the water through the fine bubble air layer to achieve the purpose of aeration.

Category:

Fine Bubble Tube Diffuser

E-mail:

amber@shdubhe.com

Inquiry

Product Detail

Product Description

SSI tube aerators are made of corrosion-resistant materials.

Aeration membrane: EPDM rubber membrane, PTFE-coated EPDM membrane

Support tube: ABS

Clamp:Stainless steel

EPDM Membrane:Black PTFE Membrane:White

Model: AFTS(N)21000: 2.6" diameter (65mm), length 1000mm

AFTS(N)31000: 3.7" diameter (91mm), length 1000mm

Connection: S: saddle connection N: threaded short tube connection

Attachment: AFT aeration tube structure schematic diagram

Aeration tube performance technical parameter table

Name	Unit	Value
Model	-	AFTS(N)21000/31000
Manufacturers	-	SSI USA Full Import
Aeration tube outer diameter	mm	Φ62/91
Tube length	mm	1000
Air flow range	m3 /h	0-17/0-26
Optimal ventilation range	m3 /h	2.6~14 / 3.4~22
Bubble diameter	mm	1-2mm
Number of holes	PCS	≥13525 / ≥22500
Membrane thickness	mm	2
Effective area of diaphragm	m2	0.15 / 0.22
Oxygen utilisation rate (4m3/h,6m water depth,clear water)	%	34.5 / 29.28
Oxygen filling capacity(6m water depth,standard condition,clear water)	kgO2/h	0.67
Theoretical power efficiency (6m water depth, standard condition, clear water)	kgO2/(kW.h)	6.88
Drag loss (1.5m3/h, 6m water depth, clean water)	Pa	2100-5800
Standard oxygen mass transfer efficiency (oxygen transfer efficiency)	%	35.76
Weight	kg	1.1/ 2.05
Normal service life	YEAR	≥5
Operating temperature range	℃	<70℃

Performance Parameters of the Support Tube

The support tube is made of ABS. The aerator saddle is made of ABS or high-strength Type II PVC and carbon black to prevent UV degradation. All plastic materials are UV resistant.

Item	Unit	Value
Proportion	-	0.905
Water absorption	%	0.02
Tensile strength	N/mm2	34.5
Coefficient of thermal expansion	-	05
Maximum temperature	℃	100

Membrane Performance

EPDM is a synthetic rubber product developed according to the customer's usage requirements. Due to its unique compound composition and compression moulding process, the membrane retains its physical properties for long periods of time under minimal water pressure, resists tearing, and retains its shape after years of cyclic operation, producing fine

air bubbles. Our EPDM membrane products have been tried and tested in a variety of municipal and industrial wastewater treatment applications with excellent results. However,

standard EPDM is not recommended for applications where solvents, grease, or oils are present, as well as high concentrations of metal salts.

PTFE (polytetrafluoroethylene) E and VITON are synthetic rubbers commonly known as fluoroelastomers. They have a wide range of resistance to a variety of chemicals, solvents, oils, greases, etc. that can cause damage to conventional rubber, and are therefore recognised as a material with excellent performance. However, the disadvantage is that they are expensive. So SSI developed the application of fluoroelastomer coatings, a patented method of permanently bonding to EPDM surfaces or other substrates, which has proven to be a proven method. SSI's new technology allows the diaphragm to not only maintain the excellent physical properties of traditional rubber materials, but also to provide the chemical, solvent, and grease resistance of the world's highest-grade rubber materials, at a cost you can afford. You can afford it. SSI's new fluoroelastomer-coated EPDM diaphragms have been proven to be free of scaling and any change in material properties in many wastewater treatment plants that have experienced diaphragm damage due to calcium build-up and solvent corrosion.

Installation Instructions

1.Saddle connection