LQX12 12 mm isolated diaphragm solenoid valves FEATURES · 3-way universal or 2-way normally closed configurations · EPDM or FFKM elastomer options · 12 mm centreline spacing; ideal for manifold mounting · Low internal unswept volume · Secure electrical termination to standard female connectors with friction-locked (latching) electrical connection · Manifold sub-base; option of fluid connectors on single or multiple station assemblies MEDIA COMPATIBILITY PHYSICAL PROPERTIES Liquids and gases Operating environment Storage temperature WETTED MATERIALS Porting Elastomer: EPDM or FFKM Body/manifold: PEEK Manifold options 0 to 55 °C -40 to 70 °C manifold mount with gasket 1/4-28 fluid connectors available on single or multiple station manifolds ELECTRICAL Weight Power Internal volume Voltage 25 g max. 2 W 32 µl (to manifold interface) 12 or 24 VDC ± 5% (other options available) Electrical connections* 2.54 mm pitch male pins, friction-locked design receives standard female connector * Options: 18" leaded assembly, splash guard for wet environment E / 11257 / A 1/5 www.first-sensor.com www.sensortechnics.com LQX12 12 mm isolated diaphragm solenoid valves PERFORMANCE CHARACTERISTICS Part no. Pressure Minimum flow 1 Orifice siz e Leak rate1 Life cycles R esp o n se LQX12... Vacuum...50 psig (3.5 bar) 18 lpm air @ 50 psi 500 sccm water @ 50 psi 0.040" (1.02 mm) ≤0.016 sccm (@ 50 psi air) 10 million (meeting all specifications) <20 msec cycling Note: 1 sccm denotes Standard Cubic Centimeters per Minute. It is a unit for the flow rate at standard conditions of temperature and pressure. FLOW CURVES Typ. air flow Typ. water flow E / 11257 / A 2/5 www.first-sensor.com www.sensortechnics.com LQX12 12 mm isolated diaphragm solenoid valves OUTLINE DRAWING Face seal manifold sub-base option Common Common N.C. N.O. Manifold seal Manifold seal 2-way 3-way 0.157 (4.0) 0.496 (12.6) N.C. 0.157 (4.0) 0.496 (12.6) 0.157 (4.0) 0.157 (4.0) dimensions in inches (mm) E / 11257 / A 3/5 www.first-sensor.com www.sensortechnics.com LQX12 12 mm isolated diaphragm solenoid valves OUTLINE DRAWING (cont.) 1/4-28 fluid connector option (3-way only) 0.770 (19.56) 0.500 (12.70) R 0.109 (2.77) 0.470 (11.945) Ø 0.093 (2.36) through Ø 0.218 (5.54) 0.945 (24.00) 1.270 1.335 (32.26) (33.91) 0.996 Ø 0.375 (25.30) (9.53) 0.414 (10.52) 0.549 (13.95) 0.325 (8.26) 0.210 (5.33) 0.065 (1.65) 0.500 (12.70) dimensions in inches (mm) 0.075 (1.9) MANIFOLD INTERFACE 0.470±0.002 (11.9±0.05) 0.564 (14.3) 0.150 (3.8) 0.157±0.002 (4.0±0.05) 0.996±0.002 (25.3±0.05) 0.157±0.002 (4.0±0.05) Ø 0.060 (Ø1.5) through 4 x #2-56 UNC 0.25 (or M2 6.4) .32 Parts shall have a finish in the indicated area E / 11257 / A 2 x Ø 0.060 0.26 (Ø 1.5 6.6) 0.310 (7.9) dimensions in inches (mm) 4/5 www.first-sensor.com www.sensortechnics.com LQX12 12 mm isolated diaphragm solenoid valves ORDERING INFORMATION Series Options Example: LQX12 LQX12 Configuration Voltage Elastomer Mounting style Electrical connection 000 2W 2-way N.C. 12 12 V D C FF FFK M FS face seal 3W 3-way 24 24 V D C EP EPD M 48 1/4-28 ports (3-way only) 3W 12 FF FS standard (2-pin connector) 000 Note: Not all combinations might be available. Please contact First Sensor for further information. Please order separately free of charge: Order No. Description LQX-0001-290-001 18 inch lead wire assembly 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 / 11257 / A 5/5 www.first-sensor.com www.sensortechnics.com