After-sales Service: | Yes |
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Warranty: | 2years |
Type: | Aerators |
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Scheule: EPDM diaphram 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% |
Model | AFT-S31000-P |
Material | EPDM, PTFE |
Size (inch) | 3.6 |
Active Surface Area (square meter) | 0.22 |
Design Flow (cubic meter/hr) | 3.4-22 |
Membrane Thickness (mm) | 2 |
Bubble Size (mm) | 1.0-2.0 |
Hole Size (mm) | 1 or 2 |
Slit Quantity | 22500 |
SOTE (%) (4.5m Water Depth) | 31-59 |
Drag Loss (Pa) | 2200-4100 |
Service Life (year) | About 10 |