Lone Wolf Normally open proportional solenoid valve FEATURES · 2-way normally open · Achieves rapid, stable performance · Enhances system control and patient comfort · Maintains ideal flow through normally open valve with thermal compensation · Extremely reliable · RoHS compliant PHYSICAL PROPERTIES MEDIA COMPATIBILITY Air, nitrogen, oxygen & others Operating environment Storage temperature WETTED MATERIALS Body: 360 HO2 brass Stem base: 430 FR stainless steel and brass 360 HT All others: FKM, 430 FR stainless steel, 300 series stainless steel ELECTRICAL Power Voltage Electrical terminal E / 11262 / A 0.5, 1.0 or 2.0 W 5.5 to 29 VDC PC mount, 18" wire leads 0 to 50 °C -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 manifold mount with 43 µm screens, 1/8" barbs, 5/64" barbs Weight 63 g (2.2 oz) 0.508 cm3 (0.031 in3) Internal volume Filtration (recommended) Lubrication 40 µm None required 1/4 www.first-sensor.com www.sensortechnics.com Lone Wolf Normally open proportional solenoid valve PERFORMANCE CHARACTERISTICS Part no. Pressure LW1... 0..10 psi LW2... 0...20 psi LW3... 0...25 psi Vacuum Orifice siz es 0.024" (0.610 mm) 0...20 "Hg (0...10 psi) Leak rate1 0.030" (0.762 mm) Internal: 0.2 sccm (bubble tight) 0.036" (0.914 mm) External: 0.016 sccm R esp o n se <30 msec cycling (2 W) FLOW CURVES2 Typical air flow, 13.5 V coil @ 5 psid Pressure vs flow 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 / 11262 / A 2/4 www.first-sensor.com www.sensortechnics.com Lone Wolf Normally open proportional solenoid valve ELECTRICAL REQUIREMENTS 0.024" orifice 0.030" orifice 0.036" orifice Input current for Min. available Nominal coil Input current for Nominal coil Input current for Nominal coil full shut off voltage resistance @ 20 °C full shut off resistance @ 20 °C full shut off resistance @ 20 °C 5.5 V 47 Ω 92 mA 23 Ω 177 mA 11 Ω 335 mA 8.0 V 68 Ω 76 mA 47 Ω 127 mA 23 Ω 233 mA 11.5 V 136 Ω 55 mA 68 Ω 105 mA 47 Ω 168 mA 13.5 V 274 Ω 40 mA 136 Ω 76 mA 68 Ω 138 mA 20.0 V 547 Ω 28 mA 274 Ω 55 mA 136 Ω 100 mA 29.0 V 1094 Ω 20 mA 547 Ω 40 mA 274 Ω 73 mA OUTLINE DRAWING dimensions in inches (mm) E / 11262 / A 3/4 www.first-sensor.com www.sensortechnics.com Lone Wolf Normally open proportional solenoid valve ELECTRICAL INTERFACE OPTIONS LW...F... (Wire leads, no terminals) LW...P... (PC mount, 4 pins) PNEUMATIC INTERFACE OPTIONS LW...0 (No barbs, face seal to manifold) LW...1 (No barbs, face seal to manifold with screen) LW...8 (0.125" barbs, 1/8" I.D. tubing, 1/4" O.D. max) ORDERING INFORMATION Model no. Standard Options LW Max. pressure 1 Orifice 10 psi 0.024" Elastomer Coil selection V FK M A 5.5 V 1W B 8V 2W C 11.5 V D 13.5 V E 20 V F 29 V C oi l Wattage 0.5 W Material B Brass Electrical interface F (0.610 mm) 2 20 psi 0.030" wire leads, 18-19" Pneumatic interface 0 manifold mount (0.762 mm) 3 25 psi 0.036" (0.914 mm) P PC board mount, 4 PC pins 1 manifold mount with screens* 8 1/8" barbs * this option will affect price Example: LW 1 B V A F 8 Note: Not all combinations might be available. Please contact First Sensor for further information. 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 / 11262 / A 4/4 www.first-sensor.com www.sensortechnics.com