Mini compressor seal cap mainly used in mini compressor that requires hermeticity, electrical insulation and high pressure withstanding while establishing electrical connections. It is suitable for the mini compressor with terminal and compressor sintered together as a whole.
We provide custom made service to our customer to manufacture various sintering products. Our product features are as below
External diameter: Φ57.26mm
Pin: 4J28/SUH 446
- Good insulator: static test at 500VDC, insulation greater than 5000MΩ
- Air tightness: remain air tight at 2.5MPa
- High voltage withstanding: greater than 2000VAC, current leakage less than 0.5Ma
- Corrosive resistant: with reference to salt spray standard GB/T2423.17, reaching level 8 and above
- Resistant to various refrigerant: R114a, R410a, R22 and CO2
- Resistant to cold and thermal shock: remain functioning from -40 degree Celsius to 300 degree Celsius.
- 1. Goods receiving
- 2. Incoming inspection
- 3. Steel needle etching
- 4. Oil removing on metal cap
- 5. Assembly and sintering
- 6. Air permeability inspection
- 7. Chemical nickel plating
- 8. Welding
- 9. Silicon process
- 10. Electrical property inspection
- 11. Appearance inspection
- 12. QA inspection
- 13. Packaging
- 14. Shipping
We adopt the environmental friendly electroplating technique, which is electroless nickel plating at 3-5 μm thickness. The nickel coat does not contain hazardous substances such as mercury, lead, cadmium and hexavalent chromium, reaching EU's standards. It passed the SGS environmental test.
- Corrosive resistant ability: After a 12 hours 5% salt spray test, the rusty area must not exceed 5% of the total area according to the ISO9227-2017 test standard.
- Salt spray test standard: GB/T2423.17,IEC60068-2-11,ISO4628-3
glass to metal seal, hermetic seals