¼ HIGH PRESSURE LATCH VALVE

Transcription

1 ¼ HIGH PRESSURE LATCH VALVE VE DESCRIPTION VACCO Industries maintains a product line of latching valves designed to meet industry s demand for high reliability, tight leakage, and quick response capabilities. The /4 high-pressure latch valve utilizes VACCO s proven torque tube technology. The all titanium construction helps maintain its light weight The valve is fully flight-qualified and proven. FEATURES 2000 psi Operating Pressure ( Ø.95).3 MAX 2.9 MAX.28 All Titanium Construction VACCO INDUSTRIES Low Weight 340g/0.75 lbm 2.35 /4" LATCHING VALVE CODE IDENT. NO.:9957 VACCO P/N: VE VACCO S/N: 2X R.002 MAX. (I.D. & O.D.) Integral Microswitch INLET 25,000 Cycle Life 2X WALL 32 ID & OD FOR 00 MIN (5.50) 4X OPERATING PARAMETERS Operating Pressure Range psig Proof Pressure psig Burst Pressure psig Flow / Pressure Drop scfm GHe scfm GXe Leakage: Internal... <3.0 scch GHe External...< X 0-6 sccs GHe Temperature F to 22 F Cycle Life...>25,000 Cycles Response Time: Opening VDC Closing VDC Optional Inlet Filter...40 microns absolute Dielectric Strength VAC 60 Hz min Operating Voltage VDC Weight...<340 grams (0.75 lb) Performance characteristics are based upon customer requirements, as such, are not representative of component capabilities or limitations

2 ¼ HIGH PRESSURE LATCH VALVE VE PERFORMANCE CHARACTERISTICS Flow vs Pressure Drop 00 Pressure Drop (psid) PSIG 000 PSIG 0 Flow Rate (scfm) ELECTRICAL SCHEMATIC OPENING COIL (INLET SIDE) CLOSING COIL (OUTLET SIDE) SWITCH (VALVE CLOSED) NC C 5 7 NO CONNECTOR - PIN NO. VACCO INDUSTRIES, INC. AEROSPACE P RODUCTS 0350 VACCO S TREET S OUTH E L M ONTE, CA 9733 T EL: (626) FAX: (626) WEB: space@vacco.com

3 DESCRIPTION VACCO ¼ HIGH PRESSURE LATCH VALVE VE VACCO Industries maintains a product line of titanium latching valves designed to meet industry s demand for high reliability, tight leakage, and quick response capabilities. The VACCO 5000 psi ¼ latch valve utilizes proven torque tube technology. The all titanium construction helps reduce weight while bolstering reliability; qualified to a minimum 3,000 life cycles while maintaining performance. The valve is fully qualified and is scheduled for flight in FEATURES 5,000 psig Operating Pressure 3,000 Operating Cycles Ti Body with CRES Interface Low Weight 0.75 LB (340 Grams) Integral Microswitch 40 Micron Absolute Etched Disc Inlet Filter OPERATING PARAMETERS Operating Pressure psig Cycle Life... > 3,000 Cycle Proof Pressure psig Operating Temp F) Burst Pressure... 2,500 psig Response Time:... Flow/Pressure Drop... <0 Opening: psid Leakage: Closing: VDC, 5000 psid Internal... < 5.0 scch 5000 psid Opening Voltage VDC. External...x0-6 sccs 5000 psid Power Consumption..20 W 29 VDC and 76 F Back Pressure Relief ± 500 psid Dielectric Strength VAC 60 Hz min VACCO INDUSTRIES, INC. AEROSPACE P RODUCTS 0350 VACCO S TREET S OUTH E L M ONTE, CA 9733 T EL: (626) FAX: (626) WEB: space@vacco.com

4 ¼ HIGH PRESSURE LATCH VALVE VE PERFORMANCE CHARACTERISTICS Flow v Pressure Drop 000 Pressure Drop (psid) Flow Rate (scfm GN2) 2000 PSI 4500 PSI SCHEMATIC VACCO INDUSTRIES, INC. AEROSPACE P RODUCTS 0350 VACCO S TREET S OUTH E L M ONTE, CA 9733 T EL: (626) FAX: (626) WEB: space@vacco.com

5 3/8 HIGH PRESSURE LATCH VALVE VE DESCRIPTION VACCO Industries maintains a product line of titanium latching valves designed to meet industry s demand for high reliability, tight leakage, and quick response capabilities. The 3/8 high-pressure latch valve utilizes VACCO s proven torque tube technology. The all titanium construction helps maintain its weight while the dual coils are provided for redundancy. The valve is fully flight-qualified and holds extensive heritage. FEATURES 4500 psia Operating Pressure All Titanium Construction Low Weight 800g/.76 lbm Integral Microswitch 3,000 Cycle Life OPERATING PARAMETERS Operating Pressure Range psia (30 bar) Proof Pressure psig (465 bar) Burst Pressure psig (828 bar) Flow lbm/sec of H 2 O Pressure Drop...<4.5 psid (at rated flow) Internal Leakage... x 0-3 sccs He External Leakage... < x 0-6 sccs GHe Weight lbm (800 grams) Operating Temperature to +3 F Response Time: Opening VDC Closing VDC Back Pressure Relief to 500 psid Operating Voltage VDC Dielectric Strength VAC 60 Hz min Performance characteristics are based upon customer requirements, as such, are not representative of component capabilities or limitations

6 3/8 HIGH PRESSURE LATCH VALVE VE PERFORMANCE CHARACTERISTICS 0 Pressure Drop vs Flow Rate Test Results Pressure Drop (psid) Flow Rate (scfm GHe) ELECTRICAL SCHEMATIC (OPENING) (OUTER COIL) (INLET SIDE) (PIMARY OPENING) (INNER COIL) (INLET SIDE) (PIMARY CLOSING) (INNER COIL) (OUTLET SIDE) (CLOSING) (OUTER COIL) (OUTLET SIDE) SWITCHES SHOWN WITH VALVE IN CLOSED POSITION SWITCH SWITCH 2 (OUTLET SIDE) (INLET SIDE) NC C NO NC C NO GRAY GRAY/WHT GRN GRN/WHT RED RED/WHT BLK BLK/WHT BLUE WHITE ORANGE BROWN YELLOW VIOLET VACCO INDUSTRIES, INC. AEROSPACE P RODUCTS 0350 VACCO S TREET S OUTH E L M ONTE, CA 9733 T EL: (626) FAX: (626) WEB: space@vacco.com

7 ¼ HIGH PRESSURE MINIATURE LATCH VALVE V8E DESCRIPTION VACCO Aerospace Products maintains a product line of latching valves designed to meet industry s demand for high reliability, tight leakage, and quick response capabilities. The ¼ high-pressure miniature latch valve is close derivative of our qualified ¼ low pressure miniature latch valve per VE Originally built and tested for a NASA advanced development program, these valves provide a low cost, light weight alternative for systems with lower flow demands. FEATURES 3,000 psi Operating Pressure CRES Interface Low Weight 60 Grams (0.35 LB) Optional Position Indicator Optional Etched Disc Inlet Filter Kel-F Poppet Parent Design Fully Qualified OPERATING PARAMETERS Operating Pressure Range psig Response Time: Proof Pressure psig Opening VDC Burst Pressure psig Closing VDC Flow / Pressure Drop scfm GHe scfm GXe Optional Inlet Filter microns absolute Leakage: Dielectric Strength VAC 60 Hz min Internal... <3.0 scch GN 2 Operating Voltage VDC External... < x 0-6 sccs Ghe Pull-In Voltage...20 VDC 450 psi & 20 F Temperature...0 to +70 F Power...28 Watts 20 VDC & 70 F Cycle Life...>20,000 Cycles Weight...60 grams Performance characteristics are based upon customer requirements, as such, are not representative of component capabilities or limitations

8 ¼ HIGH PRESSURE MINIATURE LATCH VALVE V8E PERFORMANCE CHARACTERISTICS Flow vs Pressure 3000 psi 00 Pressure Drop (psid) 0 0 Flow (scfm GHe) ELECTRIC SCHEMATIC ELECTRICAL SCHEMATIC OPENING COIL CLOSING COIL BLACK + RED - BLACK + RED - VACCO INDUSTRIES S PACE P RODUCTS 0350 VACCO S TREET S OUTH E L M ONTE, CA 9733 T EL: (626) F AX: (626) WEB: space@vacco.com