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High Efficiency EPDM Durable Ssi Aerator Fine Bubble Disc Diffuser 7inch ECD-215

High Efficiency EPDM Durable Ssi Aerator Fine Bubble Disc Diffuser 7inch ECD-215

Model: ECD-215(7inch); Material: EPDM; Active Surface Area (M2): 0.0225; Design Flow (M3/Hr): 0.5-2.5; Membrane Thickness (mm): 2; Bubble Size (mm): 1-2; Hole Size (mm): 1mm or 2mm

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Fine Bubble Disc Diffuser

E-mail:

amber@shdubhe.com

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Product Detail

Product Description

The Fine Bubble Disc Diffuser is a state-of-the-art aeration device designed to enhance the efficiency of wastewater treatment processes. This cutting-edge product is engineered to deliver a high oxygen transfer efficiency (SOTE), with a Standard Oxygen Transfer Efficiency (SOTE) ranging from 22% to an impressive 59%. The Fine Bubble Disc Diffuser stands out in the market for its ability to significantly improve the dissolution of oxygen into wastewater, thereby facilitating the biological degradation of pollutants and enhancing the overall treatment process.

Technical Parameters

MODEL	ECD215 (7inch)	ECD/AFD270 (9inch)	ECD/AFD350 (12inch)
Active Surface Area (m²)	0.0225	0.0375	0.065
Size (inch)	7 (215mm)	9 (251mm)	12 (330mm)
Design Flow (m³/hr)	0.5-2.5	2.5-5	4.0-8.3
Membrane Thickness (mm)	2	2	2
Hole Size (mm)	1mm or 2mm	1mm or 2mm	1mm or 2mm
Slit Quantity	3900	6600	10155
SOTE (%) (4.5m Water Depth)	22-40	31-59	35-59
Drag Loss (Pa)	1285-2124	2200-4100	2000-4400
Service Life (year)	Over 5	Over 5	Over 5

Drawings & Dimensions

EPDM Membrane Performance Parameters

Item	Criteria	Unit	Values
Hardness	ASTM D2240-95	Shore A	60
Tensile strength	ASTM D412-92	N/mm²	>2000
Tear strength	ASTMD624-91,Die T	N/m	>110
Permanent deformation at 100% elongation	ASTM D412-92	%	<5%
Maximum elongation at tear	ASTM D412-92	%	600
Ozone Resistance (70hours, 40°C, 50mPa partial ozone pressure, no decomposition)	ASTM D1171-94	-	eligible (voter etc)
UV resistance	-	-	Qualified
Hot air ageing resistance (70hours, 70°C)	ASTM D573-88	-	Tear strength change rate <3%
		-	Change in tearing elongation <25%
		-	Hardness change <5 degrees
Rate of change of deformation in compression (22hours, 70°C)	ASTM D573-88	%	<20
Liquid Resistance, Volume Change (water, 70hours, 100°C)	ASTM D471-94	%	<3
Low Temperature Resistance (-40º C, non-crisp)	ASTM D832-92	-	Qualified

Applications

In a wastewater treatment plant, the Fine Bubble Disc Diffuser is installed in the aeration tank, where it releases a constant stream of small air bubbles. These bubbles rise to the surface, creating turbulence and increasing the contact between air and water. This allows for the transfer of oxygen from the air into the water, promoting the growth of beneficial bacteria that break down organic matter.
In an aquaculture facility, the Fine Bubble Disc Diffuser is used to provide oxygen to fish and other aquatic animals. The small bubbles created by the diffuser help to increase the dissolved oxygen levels in the water, creating a healthier environment for the aquatic life to thrive in.
In industrial processes, the Fine Bubble Disc Diffuser is used to aerate and mix liquids, such as in fermentation tanks or chemical reactors. It helps to improve the efficiency of the process by providing a constant supply of oxygen and promoting mixing and circulation. Overall, the Fine Bubble Disc Diffuser is a versatile and essential product that plays a crucial role in various applications. Its high-quality design and efficient performance make it a popular choice for aeration systems around the world.

Application Cases