Water rotary union FN-05578

for oil8-passagefor high-temperature applications

Overview
This custom 8-passage high-temperature rotary union FN-05578 is engineered for an automated defense manufacturing application to transfer oil and water while meeting a customer‑specified envelope and high-temperature oil-service requirements (500°F / 260°C).

General information

• Model / Project: FN-05578
• Industry: Defense
• Media: Oil, Water
• Environment: Indoor
• Material: Carbon / Alloy Steel

Mechanical / Dimensional details

• Number of Passages: 8
• Passage Size(s): 1.25" [31.8 mm]
• Through Bore: 3.500" [88.9 mm]
• Diameter: 10.938" [277.8 mm]
• Length: 20.795" [528.2 mm]
• Max. Speed: 15 RPM

Pressure ratings

• Max. Pressure(s): 30 PSI [2 BAR], 80 PSI [6 BAR], 2,000 PSI [138 BAR]

Materials & construction

• Carbon and alloy steel construction for structural strength and compatibility with specified media
• Custom envelope-conforming design to integrate into customer equipment

Notable features

• Integrated ball bearings for supported rotation at low RPM
• Specialized seals rated for 500°F (260°C) oil service
• Custom construction to fit customer-specified envelope

Related projects / typical ranges

• Typical number of passages: 8–12
• Typical passage size range: 1.000"–1.999" [25.40 mm–50.77 mm]
• Rotation speed (RPM): 0–24 RPM
• Pressure capability ranges: 0–199 PSI [0–14 BAR] and 200–6,499 PSI [14–448 BAR]
• Typical thru bore range: 3.0"–5.9" [76.2 mm–149.9 mm]