OverviewDB-1110008 is an 8-passage rotary union engineered for dock-side large-flow boom crane applications to support independent hydraulic oil circuits and bulk fuel transfer. The unit incorporates a customer-specified mounting flange and a specialized multiple-passage sealing arrangement to separate media streams.
Key Details- Industry: Heavy equipment; Marine
- Media types: Hydraulic oil; Fuel/other fluids
- Environment: Offshore, dock-side
- Material: Carbon / alloy steel
- Maximum pressures: 145 PSI [10 BAR]; 4,061 PSI [280 BAR]
- Maximum speed: 1 RPM
Geometry & Passages- Number of passages: 8
- Passage sizes: .250" [6.4 mm]; .380" [9.7 mm]; .500" [12.7 mm]; .750" [19.1 mm]; .940" [23.9 mm]; 7.98" [202.7 mm]
- Through bore: None
- Overall diameter: 21.880" [555.8 mm]
- Overall length: 19.320" [490.7 mm]
Features- Customer-specified mounting flange for integration with boom crane structure
- Specialized multi-passage design providing independent flow paths for hydraulic oil and fuel
- Designed for high-flow dock-side fuel transfer while maintaining separated hydraulic circuits
Technical specifications- Applicable sectors: Heavy equipment, marine offshore operations
- Construction materials: Carbon/Alloy steel
- Operating limits: Up to 4,061 PSI [280 BAR] on designated passages; rotational speed up to 1 RPM
- Dimensional data: Diameter 21.880" [555.8 mm]; Length 19.320" [490.7 mm]
- Passage configuration: 8 independent passages with mixed diameters as listed