Hitachi’s history of success and proven experience in Scroll Technologies has enabled further innovation in building the world’s most efficient scroll for oil-free air compression. Our continuous quest for improvement is evident in both design and application of these scrolls
Hitachi Oil-Free Scroll Technology is 100% oil-Less. The complete oil free structure is suitable for ISO 14001 factories.
(Patent USP 6808373)
Hitachi’s patented wrap design with Labyrinth seal provides superior performance and reliability. Alumite surface treatment also contributes to extended scroll life.
To initiate compression, two scroll members comprised of :