Thomas Products, Ltd., Flow Switch Div. - Southington, CT
Manufacturer
Manufacturer of float & flow switches. Specifications of flow switches vary depending on models & include 3/4 in. to 3 in. NPT process connections, 20 VA SPDT reed switches, 0.5 gpm to 100 gpm set points, 150 psi to 1,000 psi operating pressure at 100 degrees F temperature & -40 degrees F to plus 300 degrees F operating temperature. Features include bronze, brass, stainless steel housing material & brass, stainless steel, polysulfone & PVC & ceramic trims. In-house tooling & manufacuting capabilities allow for products to be customized & modified to meet customer applications.
thomasprod1.rtrk.com/?scid=329561&rl_alt=ht...

Flow Switches Products
	Fixed Set Points Adjustable Set Points Flow Indicator

Orange Research, Inc. - Milford, CT
Manufacturer
Manufacturer of liquid, gas & airflow switches including reed switches for differential pressure & flow instruments. Open or closed SPST switches & SPDT switches are available. Switches are hermetically sealed & come with or without enclosures. Liquid level float switches are also available. Kan Ban & JIT delivery.
www.orangeresearch.com/gas-&-liquid-flow-se...

Sierra Instruments - Monterey, CA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified designer & manufacturer of standard & custom heavy industrial flow & level switches. Types of switches include gases & liquid flow, liquid tank level & high temperature flow switches. CSA certified. Meets ANSI/NEMA 250 & ANSI/IEC 60529 standards. FM & CRN approved. RoHS compliant. One year warranty.
Brand Names: Sierra
www.sierrainstruments.com/products/innoswit...

Intek, Inc. - Westerville, OH
Manufacturer
ISO 9001: 2008 certified manufacturer of flow switches. No moving parts. 316 stainless steel construction. Reliable, maintenance-free protection. Liquid, gas & slurry flow. Optional timer. Horizontal or vertical pipes. Virtually all flow rate ranges. Aerospace, chemical, water & wastewater treatment, & other industrial use. ISO 9001:2000.
Brand Names: Rheotherm
www.intekflow.com/products/rheotherm-flow-i...

Gems Sensors & Controls - Plainville, CT
Manufacturer, Custom Manufacturer
Six Sigma, ISO 9001 & ISO 13485 certified. Manufacturer of standard & custom flow or fluidic switches made from corrosion resistant materials. Types include no-moving-parts, piston, shuttle & paddle type flow switches. Piston & shuttle switches are made from plastic. Various applications include liquids, gases, laser heads, welders, power supplies, high speed spindles & x-ray tubes. Same day shipping. Kan Ban delivery. One year warranty.
Brand Names: Gems
www.gemssensors.com/Products/Flow/Flow-Swit...

RCM Industries, Inc. - Concord, CA
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified. Manufacturer of flow reed switches made from ABS, bronze, Buna-N®, polycarbonate, brass, aluminum, Monel®, Inconel®, Viton®, glass, plastic & stainless steel. Specifications of flow switches include plus /-3 percent F.S. horizontal flow, 10 psi to 180 psi pressure & -30 degrees F to plus 212 degrees F temperature. Electrical ratings include 120 degrees F ambient temperature, plus /-5 percent F.S. setability, plus /-13 percent F.S. hysteresis, 10 W contact rating & 350 mA maximum switching current. Single pole double throw (SPDT) flow switches are available with seals, gasketed cases & custom scales & dials. CSA & CE approved. Atex certified. RoHS compliant. Made in USA.
Brand Names: FloGard
flowmeters.flo-gage.com/category/flow-switc...

Flow Switches Products
	Flow Switches Liquids and Gases

Harwil - Oxnard, CA
Manufacturer
Manufacturer of fluid flow actuated switches. Specifications vary depending upon models and include 125/250 VAC and 15 A power supply, temperature up to 250 degrees F, pressure up to 300 psi, flow rate up to 102,000 gpm and 3/4 in. pipe size. Various features include continuous adjustment, intrinsically safe relays, interchangeable orifices, wetted surfaces, positive stop, field adjustable set points and paddles and NEMA 4 enclosures. Various industries served include chiller, scrubber, geothermal, water treatment, boiler, carpet cleaner, pool and spa. One year warranty. Made in USA.
Brand Names: Harwil
www.harwil.com/products/flow-switches

Turck, Inc. - Plymouth, MN
Manufacturer, Custom Manufacturer
Worldwide manufacturer & distributor of standard & custom switches including flow indicating & limit switches. Types of switches include interface, 1-pole, 2-pole, solid state, 8-pin plug-in, 11-pin plug-in, 11-pin sensitive, 4-pole square base plug-in, square base power, miniature power, 4-pole miniature, general purpose, low level, latching, power & timer switches. Single pole switches are available in change over contact, open contact, change over twin contact & twin open contact style switches. Specifications of 1-pole switches include maximum switching current up to 10 A, maximum switching voltage up to 250 V & ambient temperature ranging from minus 40 degrees C to plus 70 degrees C.
Brand Names: Releco
www.turck-usa.com/Products/Relays/

Pathway Control Products, Inc. - New Caney, TX
Manufacturer, Custom Manufacturer
Manufacturer of electric & pneumatic flow indicators used to indicate flow or no flow in piping systems. Provides an electric switch input or pneumatic output for control systems, alarms or other operations. Includes 316 SS wetted components, 1-1/2 in. or 2 in. NPT or flanged, WP 5000 psig.
www.pathwaycontrol.com/liquid_level.htm

I & C Sales North, Inc. - Southgate, MI
Custom Manufacturer, Manufacturers' Rep
Provides high quality industrially designed thermal mass flowmeters as well as liquid & gas flow switches using constant power thermal dispersion technology. Features include no moving parts, wide product line to fit most applications, available in various materials, wide variety of mounting connections & choice of NEMA class & agency approvals. Other flow rate related products include flow sensors, flow straighteners & other flowmeters.
Brand Names: Fluid Components
www.icsalesnorth.com/manufacturer.html

MSC Industrial Supply Co. - Melville, NY
Distributor, Custom Manufacturer
Supplier of 450,000 products from 2,500 mfrs.: cutting/machine/hand/power tools, MRO supplies, abrasives, fasteners, precision instruments, machinery, electrical supplies, safety equipment, HVAC, welding, hose, tubing, fittings, material handling, pumps, power transmission, janitorial; same day shipping
www.mscdirect.com

Ryan Herco Flow Solutions - Locations
Distributor
Worldwide distributor of flow switches. Types include liquid flow switches & gas flow switches. Markets served include water, health, electronics, chemicals & waste. ISO 9000 compliant.
Brand Names: Erecta Switch, Flowline, GEMS
webcat.rhfs.com/categorylist.aspx?catID=F65...

Wisconsin Oven Corp. - East Troy, WI
Distributor, Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of safety interlock air flow switches.
wiscon.thomasnet.com/viewitems/replacement-...

Corbett Industries, Inc. - Waldwick, NJ
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of industrial process heating & manufacturing equipment including switches, aircraft switches, airflow switches, flow switches. Facilities include design, sales, manufacturing, renovation, installation service & component part sales. Products include ovens, dryers, furnaces & kilns, process fume incinerators, heat recuperation systems, combustion chambers, process air heaters, packaged control systems, textile calender roll heating systems & pre-drying equipment for web applications.
www.corbettind.com/prod.html

Georg Fischer Piping Systems - Tustin, CA
Manufacturer
Six sigma capable ISO 9001 & ISO 14001 certified manufacturer & distributor of standard & custom flow switches. Types include paddle wheel flow sensors, turbine flow sensors & flow transmitters. Materials for paddle wheel flow sensors such as stainless steel, polypropylene, PVDF, titanium & Hastelloy® are used. Applications include pure water production & filtration systems. Paddle wheel flow sensors are CE & UL® listed & FM approved.
Brand Names: Magmeter, Metalex, ProPoint
www.us.piping.georgefischer.com/go/Products...

SunSource - Locations
Distributor, Custom Manufacturer
Distributor of flow switches. Fluid power components & systems. Hydraulics, pneumatics, motion control, lubrication, filtration. National distributor with 54 local branch networks. Stocking distributor for over 250 fluid power manufacturers. Repair & service.
Brand Names: Hedland, Noshok, PDI
sunsource.rtrk.com/?scid=1802932&rl_alt=htt...

Taco, Inc. - Cranston, RI
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified custom manufacturer of industrial flow switches. Specifications of flow switches include 250 psi maximum operating pressure & 250 degrees F maximum operating temperature. Features of flow switches include fluorosilicone seals, stainless steel paddles & trip rods, single & double switch models & corrosion resistance. Flow switches are applicable for use in heating systems, domestic water boosters, process work, water systems, chillers & on low mass boilers for pipe ranging in dia. for 1 in. to 8 in. UL, CSA & CE approved.
Brand Names: Flo-Chek, Hydronic System Solutions, Pro Fit, Radiant Mixing Block, TacoNet, X-Pump Block
www.taco-hvac.com/en/products/Flow+Switch/p...

John C. Ernst Co., Inc. - Sparta, NJ
Distributor, Manufacturer
Manufacturer of flow switches. Types of flow switches include electric, paddle type, shuttle type & piston type flow switches. Electric flow switches are available in bronze body construction, sizes from 1/2 in. to 2 in. NPT, heights from 3-5/8 in. to 4-1/2 in. & overall widths from 3-5/8 in. to 6-1/2 in. Specifications of shuttle type flow switches include sizes from 1 in. to 2 in. NPT & flow capacities from 0.5 gpm to 100 gpm.
www.johnernst.com/switches_flow_level_p51.h...

Wasco, Inc. - Santa Maria, CA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified manufacturer of standard & custom flow switches. Products such as value pressure & vacuum switches, standard pressure & vacuum switches, high purity pressure & vacuum switches, dual pressure & vacuum switches, differential pressure & vacuum switches, manual reset switches & pressure transducers are also available. Products meet MIL- I- 45208 standards. CE certified & UL® recognized. JIT delivery available.
www.wascoinc.com/literature

CAT PUMPS® High Pressure Pumps & Systems - Minneapolis, MN
Custom Manufacturer
Custom manufacturer of specialty control accessories including flow switches for shutting pump systems. Specifications include 1.3 gpm to 8 gpm & 4.9 L/minute to 30 L/minute flow rate, 3,500 psi & 5,100 psi pressure, 230 V & 250 V power supply & 1 A & 3 A current. Stock items are also available.
www.catpumps.com/products/pdfs/992256A_BRO_...

M & M Control - Antioch, IL
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of a wide variety of electronic, pneumatic & self-actuated valves & controls for process & HVAC applications including controllers, regulators, gages, meters, sensors & valves for temperature, flow & pressure.
Brand Names: Ashcroft, Babbitt, Barber Coleman, Barber-Colman, Dwyer, Hedland, Honeywell, Johnson Controls, Lake...
www.mmcontrol.com/Control_instrumentation.p...

IFM Efector, Inc. - Exton, PA
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 certified. Manufacturer of flow switches including self contained sensors & meters. Available with ceramic & stainless steel remote probes, cabinet-mount module, mounting accessories & analog, pulse & switching output. Various applications include hydraulic & pneumatic, conveying, metalworking, assembly, food processing & oil refining. C-TPAT certified. On-time delivery.
www.ifm.com/ifmus/web/pmain040_030_010.htm

DK-LOK U.S.A. - Locations
Manufacturer
ISO 9001:2008 & ISO 14001:2004 certified manufacturer of flow switches. Limit switches are also available. Meets OHSMS 18001, ASME & API standards.
catalog.dklokusa.com/category/all-categorie...

Innovative Solutions, LLC - Naugatuck, CT
Distributor, Custom Manufacturer
Custom manufacturer of flow switches to monitor flowrates from 1 gpm to 50 gpm. Piston type flow switches made from brass & stainless steel are available with 1/4 in. NPT inlet & outlet ports & 1/2 in. NPTF electrical conduit connection. Inline flow switches are available with 3/4 in. NPT to 2 in. NPT connections, bronze body & PTFE shuttle mechanism. Switches are available with process pressures up to 1000 psig & temperatures from -20 degrees F to 300 degrees F. Flow switches can be used in applications including lubricant & coolant flow monitoring, chillers & cooling towers.
www.innovativesensing.com/intermediate.aspx...

Rice Lake Weighing Systems - Rice Lake, WI
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 & ISO/IEC 17025:1999 certified manufacturer & distributor of switches including flow switches & liquid level switches. Services include prototyping, precision turning & milling, machining of castings & forgings, replacement part designing & machining, finishing processes, statistical process control & documentation. & concurrent engineering. Industries served include agriculture, bulk construction materials & processing, chemical, food & beverage processing, forestry, pulp & paper, manufacturing, packaging, material handling, pharmaceuticals, life sciences, retail, supply chain, transportation, logistics & waste. Same & next day delivery available.
www.ricelake.com/product.aspx?CatID=1119