VSO® Normally closed proportional solenoid valve FEATURES · 2-way normally closed · Offers operating pressure up to 150 psig and a range of orifice sizes · Satisfies a 0.2 sccm leakage specification of He for 100 million life cycles and offers high repeatability · Provides computer-automated calibrations and full calibration traceability · Uses either DC current or pulse width modulation with closed loop feedback to deliver optimal system performance · Maintains ideal flow through thermal compensation · Oxygen and analytically clean MEDIA COMPATIBILITY PHYSICAL PROPERTIES Air, argon, helium, hydrogen, methane, nitrogen, oxygen & others Operating environment 0 to 55 °C Storage temperature ELECTRICAL Power Voltage -40 to 70 °C Length 45.3 mm (1.785 in) Width 16.5 mm (0.625 in) Height 17 mm (0.67 in) Porting Barbs or 10-32 UNF female; manifold mount with screens Weight 63 g (2.2 oz) max. 2 W max. 5.5, 8, 11.5, 13.5, 20 or 29 VDC 0.508 cm3 (0.031 in3) Internal volume Filtration (recommended) VSONC1..., VSONC2... all others Lubrication 17 µm 40 µm None required VSO is a registered trademark of Parker Hannifin Corporation. October 2006 / 254 1/4 www.sensortechnics.com VSO® Normally closed proportional solenoid valve PERFORMANCE CHARACTERISTICS Part no. Pressure Vacuum VSONC1... 0..150 psid 0.010" (0.245 mm) VSONC2... 0...150 psid 0.020" (0.510 mm) VSONC3... 0...150 psid VSONC4... 0...75 psid VSONC5... 0...100 psid 0.050" (1.270 mm) VSONC6... 0...50 psid 0.065" (1.651 mm) 0...27 "Hg (0...13 psi) Orifice siz es 0.030" (0.762 mm) 0.040" (1.016 mm) Leak rate1 R esp o n se ≤0.2 sccm of helium (bubble tight) <30 msec cycling (2 W) FLOW CURVE2 Notes: 1 sccm denotes Standard Cubic Centimeters per Minute. It is a unit for the flow rate at standard conditions of temperature and pressure. 1000 sccm = 1 slpm. 2 slpm denotes Standard Liters per Minute. It is a unit for the flow rate at standard conditions of temperature and pressure. 1 slpm = 1000 sccm. October 2006 / 254 2/4 www.sensortechnics.com VSO® Normally closed proportional solenoid valve OUTLINE DRAWING Basic valve dimensions Port and mounting hole diagrams dimensions in inches (mm) October 2006 / 254 3/4 www.sensortechnics.com VSO® Normally closed proportional solenoid valve ELECTRICAL INTERFACE OPTIONS VSONC...F... (Wire leads, no terminals) VSONC...P... (PC mount, 4 pins) PNEUMATIC INTERFACE OPTIONS VSONC...0... (No barbs, face seal to manifold) VSONC...1... (No barbs, face seal to manifold with screen) VSONC...5... (10-32 UNF threaded female) VSONC...8... (0.125" barbs, 1/8" I.D. tubing, 1/4" O.D. max) ORDERING INFORMATION Model no. Standard Options Max. pressure VSONC 1: Series Orifice 150 psid 0.010" S (0.245 mm) 2: 150 psid 0.020" (0.510 mm) 3: B ody series 5.5 VDC 11 Ω 0.304 A F: wire leads, 0: manifold 18" mount 25: Series C: FFKM*/ 25* brass B: 8 V DC 23 Ω 0.212 A I: FKM/ C: 11.5 VDC stainless steel D: 13.5 VDC 47 Ω 0.152 A P: PC board mount, 4 PC pins 68 Ω 0.125 A E: 20 V D C 136 Ω 0.091 A F: 29 V D C 274 Ω 0.066 A 150 psid 0.030" 75 psid 0.040" 100 psid 0.050" H: FFKM*/ stainless steel (1.270 mm) 6: 50 psid 0.065" (1.651 mm) * available in * this optios will nickel- plated affect price; brass only contact Sensortechnics for details Example: VSONC 1 S Pneumatic interface* A: (1.016 mm) 5: Electrical interface Max. ResisCurrent*** voltage* tance** 11: Series V: FKM/ 11 brass (0.762 mm) 4: Coil selection Elastomer 11 V 5: 10-32 UNF threaded female (Series 25) 8: 1/8" barbs * max. voltage for continuous full flow, ambient temp. 55°C * Series 11 only except with option 5 ** coil resistance for room temp. * * this option will affect price *** input current for full flow A 1: manifold mount with screens** F 8 Note: Not all combinations might be available. Please contact your nearest Sensortechnics sales representative for further information. Sensortechnics reserves the right to make changes to any products herein. Sensortechnics does not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. October 2006 / 254 4/4 www.sensortechnics.com