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Refrigerant fluid rotary union BF-11822
2-passagefor aeronautical applicationsstainless steel

Refrigerant fluid rotary union - BF-11822 - DSTI - Dynamic Sealing Technologies - 2-passage / for aeronautical applications / stainless steel
Refrigerant fluid rotary union - BF-11822 - DSTI - Dynamic Sealing Technologies - 2-passage / for aeronautical applications / stainless steel
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Characteristics

Medium
for refrigerant fluids
Number of passages
2-passage
Applications
for aeronautical applications
Material
stainless steel
Other characteristics
with seal, modular
Rotational speed

Max.: 500 rpm
(3,141.59 rad.min-1)

Min.: 0 rpm
(0 rad.min-1)

Pressure

Max.: 15 bar
(218 psi)

Min.: 0 bar
(0 psi)

Nominal size

Max.: 6.4 mm
(0.252 in)

Min.: 6.4 mm
(0.252 in)

Description

Overview

  • Rotary union designed specifically for liquid nitrogen (cryogenic) service in aerospace applications, model BF-11822.
  • Engineered to operate in atmospheric and space environments with low-temperature compatible components.


Key features

  • Two internal passages with 0.250" (6.4 mm) passage size and through-bore for cryogenic media flow.
  • Specialized bearings and seal materials selected for extremely low temperature operation.
  • Modular construction for rapid seal access and maintenance.
  • Constructed in stainless steel to ensure compatibility and mechanical strength in cryogenic conditions.
  • Rated to 220 PSI (15 BAR) and up to 500 RPM operating speed.


Project specifications

  • Industry: Aerospace
  • Media type: Cryogenics (liquid nitrogen)
  • Environment: Atmosphere / Space
  • Material: Stainless steel
  • Max. pressure: 220 PSI (15 BAR)
  • Max. speed: 500 RPM


Passage and dimensional data

  • Number of passages: 2
  • Passage size: 0.250" (6.4 mm)
  • Through bore: 0.250" (6.4 mm)
  • Overall diameter: 3.438" (87.3 mm)
  • Length: 5.120" (130 mm)


Maintenance and service notes

  • Modular design facilitates seal replacement and inspection during scheduled maintenance.
  • Intended for integration into cryogenic feed systems on aerospace platforms; verify interface dimensions and testing requirements with your engineering team.

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