Fine Bubble Tube Diffuser Air Aerator Wholesale - DUBHE
Product details of the fine bubble tube diffuser
Product Description
DUBHE fine bubble tube diffuser is produced adopting new environmentally-friendly materials. It is in high accordance with the quality inspection standards. The size, shape and material of fine bubble tube diffuser can be made by client's requirements.
Technical Parameters
| MODEL | AFTS(N)21000 | AFTS(N)31000 | ECT70-1000 |
| Active Surface Area (m²) | 0.15 | 0.22 | 0.1 |
| Design Flow (m³/hr) | 2.6-14.5 | 3.4-22 | 4.5-21 |
| Membrane Thickness (mm) | 2 | 2 | 2 |
| Bubble Size (mm) | 1-2 | 1-2 | 1-2 |
| Hole Size (mm) | 1mm or 2mm | 1mm or 2mm | 1mm or 2mm |
| Slit Quantity | 13525 | 22500 | 7700 |
| SOTE (%) (4.5m Water Depth) | 22-40 | 31-59 | 35-59 |
| Drag Loss (Pa) | 1285-2124 | 2200-4100 | 2000-4400 |
| Service Life (year) | ≥5 | ≥5 | ≥5 |
Product details
Material
EPDM diaphragm 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 |
| Attached: Membrane material composition table | |
| Polymer | 58% |
| Carbon Black | 17.5% |
| Plasticisers | 19% |
| Others | 5.5% |
PTFE test report
SSI PTFE and PEEK coated diffusion films do not contain PFAS or PFOA.
When SSI worked with suppliers to develop coatings in the 2000s, SSI insisted on coating packages that did not contain heavy metals or by-products that could theoretically be used in potable water service, even if our products were used in wastewater.
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Company Feature
• Dubhe is located in a unique geographical position with pleasant climate and rich resources. Meanwhile, the traffic convenience is conducive to the circulation and transportation of products.
• Our high-quality and professional personnel are willing to provide consumers with intimate and quality services, so as to solve their problems and concerns.
• Our company's product sales network is spreading to the whole country. Besides, it is also radiating to Europe, Africa, America and other countries and regions.
Our products are reliable in quality, various in type and affordable in price. Customers in need are welcomed to contact us. We sincerely hope to reach friendly cooperation, common development and mutual benefit with you!
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