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| Exam name | Related Standard |
Applicable Products |
Exam description | Test example |
|---|---|---|---|---|
| Oil resistance test | KS M 6518 | Fuel sender, Level sensing | This test measures the oil resistance of Float used for gasoline fuel. It measures the change of weight, dimension (volume) and specific gravity after impregnation with Fuel-D test oil at constant temperature for a certain time. |
After 72 hours immersion in room temperature Fuel-D, the weight change rate should be within ± 2% |
| DIN 53 521 | Fuel sender & ORVR | This test is to measure the oil resistance of Float used for plastic hole fuel. It measures the change of weight, dimension (volume) and specific gravity after impregnation with FAM-B test oil at constant temperature for a certain time. (* Gas hole: Auto fuel made by mixing 90% unleaded gasoline and 10% absolute ethanol) |
It should be within 5% of the weight change rate after soaking in FAM-B at 60 ℃ for 72 hours. |
|
| Pressure resistance test | KS B 6212 | LPG gauge | After pressurizing 30kgf / ㎠ hydraulic pressure for 15 minutes, the product's appearance deformation and weight change were measured. |
The weight change rate should be within 3% after pressurizing 30kgf / ㎠ hydraulic pressure for 15 minutes |
| High pressure resistance test | UL 2227 | OPD valve | After pressurizing 50kgf / ㎠ hydraulic pressure for 1 minute, the appearance deformation of the product was observed. |
No change in appearance after pressurizing 50kgf / ㎠ hydraulic pressure for 1 minute. |
| Gas resistance test | KS B 6212 | LPG gauge & valve | Test gas resistance against LPGas of LPG and OPD products. (Request from external test institute) |
No abnormality after standing for 24 hours in -20 ℃, 40 ℃ liquefied petroleum gas liquid and -25 ℃ air |
| Hazardous Substances analysis | RoHS Directive | All products | RoHS (Hazardous Substances Restriction Directive), an EU environmental regulation that does not include lead, mercury cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE), Bis(2-ethylhexyl) phthalate (DEHP), Butyl benzyl phthalate(BBP), Dibutyl phthalate (DBP), Diisobutyl phthalate (DIBP). According to the analysis of heavy metals contained in floats used in automobiles and various industrial equipments |
No such substance |
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| Test Fluid | Test Period(day) | |||||||
|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 10 | 15 | 25 | 30 | |
| FAM-B | 0 | 1.90 | 2.50 | 3.10 | 4.00 | 4.20 | 4.21 | 4.30 |
| Fuel-D | 0 | 0.38 | 0.74 | 0.95 | 1.10 | 1.30 | 1.34 | 1.35 |
| Diesel | 0 | 0.24 | 0.60 | 0.81 | 0.90 | 0.92 | 0.93 | 0.95 |
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| Pressure | Test Pressure(kg/㎠) | |||||
|---|---|---|---|---|---|---|
| 0 | 10 | 20 | 30 | 40 | 50 | |
| For Gasoline | 0 | 0.00 | 0.20 | 4.50 | 12.00 | rupture |
| For LPG | 0 | 0.00 | 0.00 | 0.50 | 1.00 | 2.00 |
| For Sender | 0 | 0.00 | 0.00 | 2.00 | 8.00 | rupture |
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