FLOW SWITCHES FS-3 Series Compact, Low Flow Units for Clean Potable Water Applications Flow Rate Settings: Liquids: 0.05 GPM to 1.00 GPM Gases: 25 CFH to 12 CFM Port Size: 1/4 Male NPT Primary Construction Material: Noryl Setting Type: Fixed U.L. RECOGNIZED These ultra compact switches have been specifi cally designed for reliable operation FILE NO. E31926 in clean post-fi ltered water. They are made primarily of Noryl , with all other wetted materials also FDA or NSF compliant. FS-3 switches are instrument-quality, yet affordably priced for pure water equipment...from U.V. Lamp switching to Filter Life Monitoring. Specifi cations Dimensions 1.00 Wetted Materials* (25.4 mm) Housing and Barbs Noryl Piston Noryl and Epoxy Spring and Stop Pin 316 Stainless Steel .775 Pressure Rating 150 PSI 70F 50 PSI 212F (19.7 mm) Operating Temperature 0F to 212F (100C), Max. Required Filtration 50 Micron or Better Switch** SPST, N.O. Pilot Duty 20 VA, 120-240 VAC or VDC Electrical Termination No. 22 AWG, 18 L., PVC Lead Wires * Materials of construction are either FDA or NSF compliant. ** See Electrical Data on Page X-5 for more information. N.O. switches in No Flow condition are standard. Pressure Drop Data Typical P vs Flow Rate 4.10 (104 mm) 2 1.5 1 0.5 0 0 0.5 1 1.5 2 FLOW RATE (GPM, WATER) 1/4 MNPT How To Order PORTS (2) Specify the FS-3 Flow Switch using part numbers tabulated below. Set points other than those listed are available as special order contact GEMS with your requirements. Other port sizes available please call factory. Switch Actuation Set Point Switch Actuation Part Numbers Part Numbers for Gases Set Point for for Liquids for Gases Liquids (GPM) 5 PSI 100 PSI 0.05 165840 25 CFH 60 SCFH 165840-Air Special Requirements. 0.25 165841 1 CFM 2.6 CFM 165841-Air GEMS caters to OEM needs with special confi gurations, including Gas (Air) fl ow, and customer specifi ed 0.50 165842 2.5 CFM 5.6 CFM 165842-Air electrical terminations. 1.00 165843 5 CFM 12 CFM 165843-Air Notes: 1. This device is designed to provide Flow/No Flow sensing. Tabulated set points specify maximum contact closure thresholds on increasing fl uid fl ow. Re-establishment of a Normally Open contact occurs on decreasing fl uid fl ow by 0 GPM. 2. Flow settings are based on a vertical position (inlet port down), using water (for liquids) or air (for gases) at +70F on increasing fl ow. Some variation in set point actuation will occur with other gases or liquids, and in other mounting orientations. 3. Use of 50 micron, or better, fi ltration is required. Stock Items. F-4 F-5 www.gemssensors.com P (PSI) FLOW SWITCHESX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Flow Sensors category: Click to view products by Gems Sensors manufacturer: Other Similar products are found below : VSR-3 SS-12225 AWM43300VH AWM730P1 HAFBLF0400C5AX3 FS1010-C01 UF25B100 FS15LF FS22A FS1012-1100-NG FS1012- 1020-NG FS2012-1100-NG SFM3000-200C G-MAFCO-005 SFM3000-200 FPP800KIT1 TDC-GP21 T&R HAFBLF0100C4AX5 HAFBLF0400C4AX3 HAFBLF0050C4AX3 SFM4100 Air 156268 70824 129660 155421 155481 173931-C 173250 87480 ATS-FM-22 ATS-FM-34 ATS-FM-44 ATS-FM-66 ATS-FM-M 81501025 81525101 81526001 81529003 81529004 81529005 81529006 81529007 81529008 81529010 81529025 81529901 FS15A FS-90/1 HAFBSS0200C2AX5 AWM1200V