Bulk head connector for tank

The bulk head connector for tank is mounted with the female connector in the oiltank and the copperpipe is lead through the connector. The nipple nut gets tightned, as the coupling between pipe and bulk head connector for tank is tighten.
The construction secures against galvanic corrosion.

Nipple: Eloxeret AlMgSiPb
Bushing: Plastic PE-LD (temperature -60°C to +80°C)
Nut: 8, 10 og 15 mm DIN 17660 brass CuZn39PB3, 12 mm plastic LEXAN 500 (temperature -20°C to +80°C)
Thread: Pipethread G DS/ISO 228/1