Refrigerant fluid rotary union BU-06124

4-passagestainless steelslip ring assembly

Overview
The BU-06124 is a 4-passage rotary union engineered for welding equipment to provide coolant supply and return. It mounts to a customer shaft via a specialized shaft end and integrates an electrical slip ring for data transfer during rotation.

Related project context

• Industry: Factory Automation
• Number of passages: 4–5 passages (configured as 4 for this unit)
• Passage size range: 0.250"–0.374" [6.35 mm–9.50 mm]
• Rotation speed (RPM): 0–24 RPM (operational max used: 9 RPM)
• Pressure range (PSI): 0–199 PSI [0–14 BAR] (project requirement)
• Media: Coolant
• Material: Stainless steel
• Thru bore range: 1.0"–2.9" [25.4 mm–73.7 mm]
• Environment: Indoor
• Options: Integrated slip ring

Technical specifications

• Industry: Factory Automation
• Media type: Coolant
• Environment: Indoor
• Material: Stainless steel
• Maximum pressure: 25 PSI [2 BAR]
• Maximum speed: 9 RPM
• Number of passages: 4
• Passage size: 0.250" [6.4 mm]
• Through bore: 1.190" [30.2 mm]
• Diameter: 3.750" [95.3 mm]
• Length: 7.935" [201.5 mm]
• Notable features: specialized shaft end for customer mounting; integrated electrical slip ring for data transfer; designed for coolant supply/return in welding equipment

Applications and installation notes
The unit is intended for indoor welding machinery where controlled coolant delivery and data transmission across a rotating interface are required. Mounting requires matching the customer shaft dimensions; consult engineering drawings for shaft-end engagement and slip-ring electrical connections.

Options

• Slip ring configuration for data channels
• Material and sealing options available per project requirements