VSO®-Max High flow proportional solenoid valve FEATURES · 2-way normally closed valve · Capable of 240 slpm flow and pressures up to 60 psig (4 bar) · Face seal manifold mount, manifold available with 1/8 NPT ports · Proven performance to min. 25 million life cycles · Light weight · Low power consumption · RoHS compliant MEDIA COMPATIBILITY Air, argon, carbon dioxide, heliox, hydrogen, nitrogen, oxygen & others ELECTRICAL Power (at 68 °F / 20 °C) max. 2 W Voltage WETTED MATERIALS 5, 12, or 24 VDC PHYSICAL PROPERTIES Body: 36000 series brass Operating environment Stem base: 430 FR stainless steel, 36000 series brass Storage temperature Others: Fluorocarbon, 430 FR stainless steel, 300 series stainless steel 5 to 55 °C -40 to 70 °C Porting Manifold mount, 1/8 NPT manifold (optional) Weight 70 g (0.153 lbs) Filtration (customer supplied) 40 µm Oxygen clean VSO is a registered trademark of Parker Hannifin Corporation. E / 11277 / B 1/4 www.first-sensor.com www.sensortechnics.com VSO®-Max High flow proportional solenoid valve PERFORMANCE CHARACTERISTICS Part no. 921... Pressure Operating Proof 5...60 psig 1 6 0 p si g Leak rate1 Orifice siz e 0.116" (2.95 mm) Internal External <5 sccm air a t 6 0 p si g <0.5 sccm air a t 6 0 p si g FLOW CURVES (typical air flow at 20 °C)2 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 / 11277 / B 2/4 www.first-sensor.com www.sensortechnics.com VSO®-Max High flow proportional solenoid valve OUTLINE DRAWING 0.113 (2.86) 2.024 (51.41 mm) 0.83 (21.08) 0.5 (12.7) 0.345 (8.75) 0.4 (10.16) 0.687 (17.44) 0.625 (15.88) 0.625 (15.88) 0.61 (15.49) bobbin 0.165 (4.18) 0.313 (7.94) Coil connections are configurable 0.329 (8.36) Inlet (port 1) Outlet (port 2) dimensions in inches (mm) Manifold (optional) 2x Ø 0.25 (6.4) 0.52 (13.2) Tap 1/8-27 NPT 0.33 (8.4) 2x 4-40 UNC - 2B 0.35 (8.89) 0.4 (10.16) 0.24 (6.1) 0.329 (8.36) 0.475 (12.07) 0.3 (7.62) 0.62 (15.7) 0.164 (4.17) 0.3 (7.62) 1.0 0.71 (25.4) (18.03) 2x Ø 0.234 (5.94) 0.4 (10.16) 0.2 (5.08) 1.0 (25.4) E / 11277 / B 0.3 (7.62) dimensions in inches (mm) 3/4 www.first-sensor.com www.sensortechnics.com VSO®-Max High flow proportional solenoid valve ORDERING INFORMATION Series Elastomer Options 921 1 FK M Pneumatic interface 1 manifold mount B ody 1 brass Electrical interface Voltage 05 5 V DC 12 12 V D C 24 24 V D C 1 wire leads, 18" Accessories* 000 none * please order separately Example: 921 1 1 1 05 1 000 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 191-000214-002 (free of charge) Mounting screws (two per valve) 190-007057-001 (free of charge) Manifold mount O-ring, FKM 890-009034-001 (extra charge) Single station manifold, 1/8 NPT 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 / 11277 / B 4/4 www.first-sensor.com www.sensortechnics.com