Technical Requirements

 

 
 

○ Article Name: FCV (Flow Control Valves) for a 400N Engine 
 
○ Quantities : 2ea (including related metallic seal, screws and washers)   
 
○ Performance Requirement 

Compatible Media 

- Operation Media : N2O4, MON-1 & MON-3, MMH 
- Test media: GHe, GN2, H2O, IPA 

Max Inlet Pressures 

> 20bar 

Burst Pressures 

> 49.3 bar 

Response Time 

30ms Max. 

Power Consumption 

38.4W Max. @ 27VDC 

Internal Leakage 

< 5 x 10-4 scc/sec 

External Leakage 

< 1 x 10-6 scc/sec 

Cycle Life 

> 5,000 cycles 

Operating Temperature 

0°C to 100°C 

Flow vs. Pressure Drop 

1.1 bar Max. @ 70g/sec H2O 

Sear Material 

PTFE or equivalent 

 

○ The valves shall have space born heritage.