Life Support: CRU-121 Panel-Mounted Oxygen Regulator
CRU-121 Panel Mounted Oxygen Regulator
LOX, GOX, and OBOGS compatible
100% oxygen
Night Vision compatible
High flow capacity
Application:
The CRU-121/A is a positive pressure 100% oxygen regulator. It is designed to supply 0.0 - 2.0 in. H2O nominal pressure and 3.0 - 5.0 in. H2O in an emergency situation, up to an altitude ceiling of 40,000 ft.
The regulator can be used in liquid oxygen, gaseous oxygen, and on-board oxygen generation systems, with the advantage of replacing only the pressure gauge when retrofitting to a GOX system. The regulator can also be converted to be compatible with night vision systems with the replacement of the light panel. This regulator will be replacing a majority of panel mounted regulators found on Navy aircraft including the P-3, C-130, V-22 and E-2C.
Features:
The design of this regulator is based on the CRU-103 chest mounted regulator, which is the standard in the U.S. Navy. The reduced parts count and commonality with the CRU-103 makes this an extremely reliable and easily supported oxygen regulator. The interfaces have been designed to insure that this regulator is a direct replacement for all previously manufactured panel mounted regulators.
Specifications:
Operating Pressure
10 to 2,000 psig
(0.7 to 138 bar)
Flow
0 to 75 slpm @ 10 psig inlet
0 to 150 slpm @ 50 to 2,000 psig inlet
Operating Atlitude
0 to 40,000 ft
(0 to 12,200 m)
Weight
3 lbs max
(1.36 kg)
Safety Pressure
Normal mode
Emergency mode
0.0 to 2.0 in. H2O
3.0 to 5.0 in. H2O
0 to 5.0 mbar)
(7.5 to 12.5 mbar)
Panel Lighting
Conforms to MIL-P-7788, Type III (-11 & -21)
NVG Lighting
Class A NVIS, Type IV of MIL-P-7788 (-31)
Operating Environment:
Temperature
-30 to 125 deg F
(-34 to 52 deg C)
Shock
MIL-STD-810, Method 516
Vibration
MIL-STD-810D, Method 514
Non-Operating Environment:
Temperature
-65 to 160 deg F
(-54 to 71 deg C)
Shock
MIL-STD-810, Method 516
Vibration
300 to 3,000 cycles per minute frequency
at double amplitude of 0.018 to 0.020
inches (700,000 cycles)
