Monopropellant Solenoid Thruster Valves

101-128-1-Monopropellant-Thruster-Valves-grey-bckgrd-700x400.psd


Moog normally closed solenoid thruster valves are available in a single seat or series redundant seats, and support a wide range of thrust levels, and both hydrazine and green propellants. 

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Key Advantages

  • Minimum dribble volume
  • All welded design to prevent external leakage
  • Stainless steel construction
  • Normally closed valve state

 

Characteristic

0.2 lbf (1 N)

and 1.0 lbf (5N)

Thrust Redundant Seat

5 lbf (22 N)

Thust Redundant Seat

9 lbf (40 N)

Thrust Single Seat

20 lbf (90 N)

Thrust redundant Seat

160 lbf (711 N)

Thrust Single Seat 

Max Operating Pressure, MEOP [psia(bar)] 385 (26.5) 400 (27.6) 500 (34.5) 515 (35.5) 276 (19)
Proof Pressure [psia(bar)] 1500 (103.4) 1650 (114) 1500 (103) 2040 (141) 450 (31)
Burst Pressure [psia(bar)] 2500 (172) 2650 (183) 2911 (200) 3390 (234) 715 (49.3)
Operating Voltage Range [Vdc] 24 to 37 24 to 35.5 22 to 32 22 to 34 98 to 136
Maximum Open Response Time [msec] 10 15 15 30 30
Maximum Close Response Time [msec] 10 15 15 30 20
Power Consumption [watts] 3.8 at 28 Vdc, 70F 20.5 at 35.5, 68F 26.5 at 32 Vdc, 70F 51.5 at 34 Vdc, 60F per coil 122 at 136 Vdc, 70F 
Leakage per Seat, Internal [scc/hr]  0.4 0.4 0.2 3 3.6
Leakage, External [scc/s] 1E-6 1E-6 1E-6 1E-6 1E-3
Cycle Life [cycles] 300,000 1,000,000 100,000 64,000 100,000
Weight [lbm (gram)] excluding leadwires 0.44 (200)  0.7 (318) 0.5 (230) 1.55 (703) 2.5 (1134)
Inlet Filtration [micron absolute rating] 25 25 25 25 25
Operating Temperature Range[ºF (ºC)] 40 to 250 (4.4 to 121) 40 to 176 (4.4 to 80)  40 to 300 (4.4 to 149) 40 to 300 (4.4 to 149) 40 to 300 (4.4 to 149)
Representative Model Numbers

-051E444

-051E476 (single seat)

-051E448 51-288 52E333 53-291B