3011-08-01

This valve serves as a single solution for ground and flight systems running both gaseous oxygen and hydrogen.

Physical Attributes

Line Size: -08
Line Diameter: 1/2" inch
Inlet Port: AS4395-08
Outlet Port: AS5202-08
Assembly Mass: 0.950 lbm

Valve Materials

Body: Toughmet
Spring: C51000
Main Seat: Vespel SP-21
Body Seal: PTFE / CRES 304

Media

Temperature: -320°F to 250°F
Media: O2, H2, CH4, Inert Gas

Pressure

Crack Pressure: 5-10 psi
Maximum Allowable Working Pressure: 6,000 psi
Proof Pressure: 9,360 psi
Burst Pressure: 15,600 psi

Flow

ESEOD: 0.460 inch (Cd = 0.6)
Cv: 3.8
CdA: 0.100 inch²

Test Data

Crack Pressure

3011-08-01 reverse bias leakage data for 20 serial numbers is presented below. Tests were conducted at 100 psig and 5,500 psig reverse bias pressure.

Test Sensor: 10 SCCM (0.60 SCIM) full scale output Alicat flow meter

Test Media: Ultra High Purity Grade GN2

Reverse Bias Leakage

3011-08-01 crack pressure data for 20 serial numbers is presented below.

Test Sensor: 100 psig full scale output digital pressure transducer / Bubbles in deionized water

Test Media: Ultra High Purity Grade GN2