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 · Serialised performance 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 · RoHS compliant MEDIA COMPATIBILITY PHYSICAL PROPERTIES Air, argon, helium, hydrogen, methane, nitrogen, oxygen & others Operating environment 0 to 55 °C Storage temperature ELECTRICAL Power Voltage PWM -40 to 70 °C Length 45.3 mm (1.785 in) max. 2 W Width 16.5 mm (0.625 in) max. 5.5, 8, 11.5, 13.5, 20 or 29 VDC Height 17 mm (0.67 in) 5-12 KHz recommended Porting Barbs or 10-32 UNF female; manifold mount with screens Weight 63 g (2.2 oz) 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. E / 11254 / B 1/4 www.first-sensor.com 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 CURVES (typical air flow with 20 VDC coil @ 25 psi)2 PRESSURE VS FLOW CURVE 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. E / 11254 / B 2/4 www.first-sensor.com www.sensortechnics.com VSO® Normally closed proportional solenoid valve PRESSURE AND FLOW CAPABILITIES ELECTRICAL REQUIREMENTS OUTLINE DRAWING Basic valve dimensions dimensions in inches (mm) Manifold & O-ring diamensions & design dimensions in inches (mm) E / 11254 / B 3/4 www.first-sensor.com www.sensortechnics.com VSO® Normally closed proportional solenoid valve ELECTRICAL INTERFACE OPTIONS VSONC...F... (18 " 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 75 psid 0.040" (1.016 mm) 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: (0.762 mm) 5: Electrical interface Max. ResisCurrent*** voltage* tance** 11: Series V: FKM/ 11 brass 150 psid 0.030" 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 First Sensor for further information. Accessories (please order separately using the following order numbers) Order No. Description 190-007024-002 (FKM) Manifold mount O-ring First Sensor reserves the right to make changes to any products herein. First Sensor 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. E / 11254 / B 4/4 www.first-sensor.com www.sensortechnics.com