HELIUM SINGLE STAGE REGULATOR
Performance Characteristics:
Example 1 (constant temp & flows) Regulated press. band: ± .3 psi ± 0.02 bar
Regulated press. accuracy: ± 0.115% ± 0.115%
Single temperature and flow over the inlet range of 3750 to 450 psig (259 to 31 bar)
Example 2 (varied temp & flows)
Regulated press. band: ± 5 psi ± 0.41 bar
Regulated press. accuracy: ± 2.5% ± 2.5%
D170°F (D95°C) temperature range and 0.0004 to 0.0008 lb/sec (0.2 to 0.4 g/sec) GHe flowrate over the inlet range of 3750 to 450 psig (259 to 31 bar)
Operational Capabilities:
Inlet pressure range: 5000 to 360 psig 345 to 25 bar
Outlet pressure range: 240 to 320 psig 16.5 to 22.1 bar
Flow range (GHe): 0 to .0055 lb./s 0 to 2.5 g/s
Operating temp. range: -85 to +185 °F -65 to +85 °C
Internal Leakage (GHe): < 10 scch
External Leakage (GHe): < 1.0×10 -6 sccs
Overall Random Vibration: Qualified to 17.6 gRMS
Operational Life: > 15 years
Design Features:
Weight: < 1.85 lb. < 0.84 kg
Optional Active Flow Limiter
No maintenance required
HELIUM SERIES REDUNDANT REGULATOR
Performance Characteristics:
Example 1 (constant temp & flow)
Regulated press. band: ± .5 psi ± 0.03 bar
Regulated press. accuracy: ± 0.1% ± 0.1%
Single temperature and flow over the inlet range of 4800 to 360 psig (331 to 25 bar)
Example 2 (varied temp & flows)
Regulated press. band: ± 6 psi ± 0.41 bar
Regulated press. accuracy: ± 2.5% ± 2.5%
D125°F (D70°C) temperature range and 0.0002 to 0.0013 lb/sec (0.1 to 0.6 g/sec) GHe flowrate over the inlet range of 4800 to 360 psig (331 to 25 bar)
Operational Capabilities:
Inlet pressure range: 5000 to 360 psig 345 to 25 bar
Outlet pressure range: 320 to 240 psig 22.1 to 16.5 bar
Flow range (GHe): 0 to .0055 lb./s 0 to 2.5 g/s
Operating temp. range: -85 to +185 °F -65 to +85 °C
Internal Leakage (GHe): < 10 scch
External Leakage (GHe): < 1.0×10 -6 sccs
Overall Random Vibration: Qualified to 24 gRMS
Operational Life: > 15 years
Design Features:
Weight: < 2.5 lb. < 1.13 kg
Optional Active Flow Limiter
No maintenance required
HELIUM HIGH FLOW SERIES REDUNDANT REGULATOR
Performance Characteristics:
Example 1 (constant temp & flow)
Regulated press. band: ± 1.5 psi ± 0.10 bar
Regulated press. accuracy: ± 0.3% ± 0.3%
Single temperature and flow over the inlet range of 4000 to 550 psig (276 to 38 bar)
Example 2 (varied temp & flows)
Regulated press. band: ± 10 psi ± 0.70 bar
Regulated press. accuracy: ± 2.2% ± 2.2%
D180°F (D100°C) temperature range and 0.007 to 0.014 lb/sec (3.2 to 6.4 g/sec) GHe flowrate over the inlet range of 4000 to 700 psig (276 to 48 bar)
Operational Capabilities:
Inlet pressure range: 4000 to 550 psig 276 to 38 bar
Outlet pressure range: 470 to 420 psig 32.4 to 29 bar
Flow range (GHe): 0 to .021 lb./s 0 to 9.5 g/s
Operating temp. range: -85 to +185 °F -65 to +85 °C
Internal Leakage (GHe): < 100 scch
External Leakage (GHe): < 1.0×10 -6 sccs
Overall Random Vibration: Qualified to 12.3 gRMS
Operational Life: > 15 years
Design Features:
Weight: < 5.0 lb. < 2.27 kg
Optional Active Flow Limiter
No maintenance required
CHEMICAL PROPULSION SYSTEM MINIATURE SINGLE STAGE REGULATOR
Performance Characteristics:
Example 1 (constant temp & flows)
Regulated press. Band: ± 2.65 psi ± 0.18 bar
Regulated press. accuracy: ± 1.1% ± 1.1%
Single temperature and flow over the inlet range of 4200 to 300 psig (345 to 20.7 bar). Outlet press: 241 psig
Example 2 (varied temp & flows)
Regulated press. band: ± 5.5 psi ± 0.38 bar
Regulated press. accuracy: ± 2.3% ± 2.3%
D116°F (D64°C) temperature range and 0.0002 lb/s GHe flowrate over the inlet range of 4200 to 300 psig (345 to 20.7 bar). Outlet press: 241 psig
Operational Capabilities:
Inlet pressure range: 5000 to 300 psig 345 to 20.7 bar
Outlet pressure range: 240 to 300 psig 16.5 to 20.5 bar
Flow range (GHe): 0 to .003 lb./s 0 1 to 1.36 g/s
Operating temp. range: -85 to +185 °F -65 to +85 °C
Internal Leakage (GHe): < 20 scch
External Leakage (GHe): < 1.0×10 -6 sccs
Design Features:
Weight: < 075 lb. < 340 g
Optional Active Flow Limiter
No maintenance required
NITROGEN SYSTEM SINGLE STAGE LOW PRESSURE REGULATOR
Performance Characteristics:
Example 1 (constant temp & flows)
Regulated press. Band: ± 0.05 psi ± 0.0035 bar
Regulated press. accuracy: ± 0.45% ± 0.45%
Single temperature and flow over the inlet range of125 to 70 psig (8.6 to 4.8 bar). Outlet press: 11 psig
Example 2 (varied temp)
Regulated press. band: ± 2.0 psi ± 0.14 bar
Regulated press. accuracy: ± 18% ± 18%
D114°F (D63°C) temperature range and over the inlet range of 125 to 70 psig (8.6 to 4.8 bar). Outlet press: 11 psig
Operational Capabilities:
Inlet pressure range: 125 to 70 psig 8.6 to 4.8 bar
Outlet pressure range: 8 to 13 psig 0.55 to 0.90 bar
Flow range (GN2): 0 to .00083 lb./s 0 to 0.38 g/s
Operating temp. range: +16 to +130 °F -9 to +54 °C
Internal Leakage (GN2): < 0.36 scch
External Leakage (GHe): < 1.0×10 -6 sccs
Overall Random Vibration: Qualified to 3.1 gRMS
Operational Life: > 10 years
Design Features:
Weight: < 2.5 lb. < 1.15 kg
No maintenance required
Xenon SERIES REDUNDANT Diaphragm Pressure REGULATOR
Performance Characteristics:
Operational Capabilities:
Inlet pressure range: 2500 to 73 psig 172 to 5 bar
Outlet pressure range: 44 to 36 psig 3.0 to 2.5 bar
Flow range (GXe): 0 to 1.76×10-5 lb./s 0 to 0.080 g/s
Operating temp. range: +62 to +158 °F +17 to +70 °C
Internal Leakage (GXe): < 0.36 scch
External Leakage (GHe): < 1.0×10 -6 sccs
Overall Random Vibration: Qualified to 31 gRMS
Operational Life: > 15 years
Design Features:
Weight: < 2.65 lb. < 1.20 kg
Optional Active Flow Limiter
No maintenance required
HI FLOW HI PRESSURE RELIEF VALVE / BURST DISK ASSY
Performance Characteristics:
Operational Capabilities:
Burst Disk Rupture: 485 to 495 psig 33.4 to 34.1 bar
Crack Pressure Range: 400 to 415 psig 27.6 to 28.6 bar
Minimum Reseat Pressure: 395 to 410 psig 27.2 to 28.3 bar
Maximum Flow (GN2): 23 scfm* 650 slm
Operating temp. range: -3 to +138 °F -19.4 to +58.9 °C
Internal Leakage (GN2): < 0.036 scch
External Leakage (GHe): < 1.0×10 -6 sccs
Overall Random Vibration: Qualified to 14.8 gRMS
Overall Shock: Qualified to 7071 g’s
Operational Life: > 15 years
Endurance Cycle 200
Design Features:
Weight: < 1.8 lb. < 0.82 kg
No maintenance required
*At 485 psig
HIGH FLOW RELIEF VALVES
HIGH FLOW HELIUM RELIEF VALVE
Design Parameters:
Crack Pressure: 37.4 bar
Max. Pressure: 105 bar
Max. Flow: 26 g/s GHe
Status:
Prototype unit met design requirements.
Smooth progressive opening with increasing pressure.
Drawings released; in fabrication for production
HIGH FLOW NITROGEN RELIEF VALVE
Design Parameters:
Crack Pressure: 100 bar
Max. Pressure: 105 bar
Max. Flow: 400 g/s GHe
Status:
Prototype unit in test.
Housing cavity increased to meet the high flow requirements.
Smooth progressive opening with increasing pressure.