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Home   Our Catalog   Hydraulics, Pneumatics & Plumbing   Flow Switches

Flow Switches - 65 - Page 2 - Mega Sale! Save up to 25%


Mega Sale! Up to 25% off on Flow Switches at In The National Interest, Page 2. Top brands include Gems Sensors, Gems, Gits Manufacturing, TPI, ITT McDonnell Miller, & Mcdonnell & Miller. Hurry! Limited time offers. Offers valid only while supplies last.



Gems Sensors RFS Series Polypropylene Flow Sensor Switch, Inline, Rotor Type, 24 VDC Input, 1.5-20.0 gpm Flow Setting Adjustment Range, 1/2'' NPT Female
Gems Sensors RFS Series Polypropylene Flow Sensor Switch, Inline, Rotor Type, 24 VDC Input, 1.5-20.0 gpm Flow Setting Adjustment Range, 1/2" NPT Female
By Gems Sensors
In Stock
$212.00
$207.99
You Save: 2%

mpn: 155485, ean: 0013227004676,

4.9 out of 5 stars with 236 reviews
Flow Set Point Switching - RFS Types. Combines visual confirmation of flow with dynamic, electronic switch operation. Easy, adjustable switch point calibration: a local LED signals when set point is reached. RotorFlow Switches build an extra level of...


Gems Sensors 01702 Buna N Float Single Point Rugged Compact Alloy Level Switch with 316 Stainless Steel Stem and Mounting, 1'' Diameter, 1/8'' NPT Male, 9/16'' Actuation Level, Normally Open
Gems Sensors 01702 Buna N Float Single Point Rugged Compact Alloy Level Switch with 316 Stainless Steel Stem and Mounting, 1" Diameter, 1/8" NPT Male, 9/16" Actuation Level, Normally Open
By Gems Sensors
In Stock
$76.00

mpn: 01702,

4.2 out of 5 stars with 280 reviews
Gems single point level switch with 316 stainless steel stem and mounting. Rugged durability. Broad heat and pressure capabilities. Ideal for shallow tanks or restricted spaces, or for low-cost, high volume use. Offer broad chemical compatibility for...


Gems PS61-10-4MNZ-A-SP Series PS61 OEM Subminiature Pressure Switch, SPST N.O. Circuit, Spade Terminal, 10-60 psi Range, 1/4'' MNPT Steel Fitting
Gems PS61-10-4MNZ-A-SP Series PS61 OEM Subminiature Pressure Switch, SPST N.O. Circuit, Spade Terminal, 10-60 psi Range, 1/4" MNPT Steel Fitting
By Gems
In Stock
$33.00

mpn: PS61-10-4MNZ-A-SP,

4.3 out of 5 stars with 226 reviews
Available with enhanced ingress protection and integral electrical connections. These subminiature pressure switches are suitable for a wide range of hydraulic and pneumatic applications including medical, general industrial, fire suppression, and of...


Gems Sensors 191080 Noryl Float Small Size Type 12 Internal Mounting Single Point Level Switch, 11/16'' Diameter
Gems Sensors 191080 Noryl Float Small Size Type 12 Internal Mounting Single Point Level Switch, 11/16" Diameter
By Gems Sensors
In Stock
$43.00

mpn: 191080,

4.8 out of 5 stars with 234 reviews
Gems Noryl float single point level switch with type 3 internal mounting. Ls-7 series compact side mounts are the solution to many small tanks. These low-cost units are ideal for high volume use in small tanks and vessels. Engineered plastics constru...


Gems PS61-20-4MNZ-B-SP Series PS61 OEM Subminiature Pressure Switch, SPST N.C. Circuit, Spade Terminal, 40-150 psi Range, 1/4'' MNPT Steel Fitting
Gems PS61-20-4MNZ-B-SP Series PS61 OEM Subminiature Pressure Switch, SPST N.C. Circuit, Spade Terminal, 40-150 psi Range, 1/4" MNPT Steel Fitting
By Gems
In Stock
$33.00

mpn: PS61-20-4MNZ-B-SP,

4.5 out of 5 stars with 282 reviews
Available with enhanced ingress protection and integral electrical connections. These subminiature pressure switches are suitable for a wide range of hydraulic and pneumatic applications including medical, general industrial, fire suppression, and of...


Gits 01450 Oil Hole Covers and Cup, Style HB Hexagon Body Gravity Feed Oil Cup, 1/8''- 27 Male NPT, 15/16 Overall Height, 1-7/32 Assembly Clearance
Gits 01450 Oil Hole Covers and Cup, Style HB Hexagon Body Gravity Feed Oil Cup, 1/8"- 27 Male NPT, 15/16 Overall Height, 1-7/32 Assembly Clearance
By Gits Manufacturing
In Stock
$14.99

mpn: 01450,

4.0 out of 5 stars with 249 reviews
Style HB oilers combine unusual strength and extrarigid construction with durability and low cost. Machined from solid hexagon bar stock provides a sure wrench hold. Ruggedly built to withstand abuse. Made of steel. Zinc plated finish.Style HB oilers...


Gems Sensors 142700 Polysulfone General Purpose Single Point Electo-Optic Level Switch with Wet Probe, 1/4'' NPT Male, 10-28 VDC Current, Normally Open
Gems Sensors 142700 Polysulfone General Purpose Single Point Electo-Optic Level Switch with Wet Probe, 1/4" NPT Male, 10-28 VDC Current, Normally Open
By Gems Sensors
In Stock
$108.00
$105.45
You Save: 2%

mpn: 142700,

4.1 out of 5 stars with 45 reviews
Gems polysulfone units are both compact and economical. They feature a variety of mountings, power requirements and electrical terminations to make it easy to find a perfect match. Current consumption: 18 mA, approximately. Output: TTL/CMOS compatibl...


Gits 1631-012001 Style 1631 Breather Vent, 1/8-27 NPT Open Breather
Gits 1631-012001 Style 1631 Breather Vent, 1/8-27 NPT Open Breather
By Gits Manufacturing
In Stock
$14.82
$14.81

mpn: 1631-012001,

4.0 out of 5 stars with 152 reviews
Designed for rugged industrial applications, these breathers maintain safe, equalized pressure in a unit even when it is being filled or under sudden changes in ambient temperature. Style 1631, having no air filter, permits straight-through flow of a...


Gems Sensors 164870 316 Stainless Steel Float Small Size Type 9 Mounting Single Point Level Switch, 5/8'' Diameter, 1/2'' NPT Male
Gems Sensors 164870 316 Stainless Steel Float Small Size Type 9 Mounting Single Point Level Switch, 5/8" Diameter, 1/2" NPT Male
By Gems Sensors
In Stock
$194.00
$190.00
You Save: 2%

mpn: 164870, ean: 0013227001309,

4.6 out of 5 stars with 113 reviews
Gems float single point level switch. Built for durability, LS-7 Series switches utilize stainless steel body. Ideal for any small tank or vessel destined for a rugged environment. Stainless steel material of construction of types 9 is generally reco...


TPI RH3A Series RH Adjustable Air Flow/Differential Pressure Switch Control, 0.05'' - 12'' WC, Compression Connection
TPI RH3A Series RH Adjustable Air Flow/Differential Pressure Switch Control, 0.05" - 12" WC, Compression Connection
By TPI
In Stock
$38.63
$36.78
You Save: 5%

mpn: RH3A, ean: 0686334546317,

4.6 out of 5 stars with 234 reviews
Air flow / differential pressure switch, adjustable pressure set, conduit connection- compression (both sides), voltage rating- 120 to 277 vac, setpoint range- 05 to 12 in wc.RH Series. Senses Pressure or Vacuum. Automatic Reset. ...


FS251 FLOW SWITCH 1'' #120611
FS251 FLOW SWITCH 1" #120611
By ITT McDonnell Miller
In Stock
$130.77
$120.00
You Save: 8%

mpn: FS251,

4.8 out of 5 stars with 171 reviews
Universal design serves the widest variety of applications for starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others. Single pole, double throw snap switchEPDM O-rin...


Gems Sensors 209166 General Purpose Mini Pressure Switch with Zinc-Plated Steel Fitting, 125/250V, 25-75 psi Pressure, 1/4'' NPT Male, SPDT Circuit
Gems Sensors 209166 General Purpose Mini Pressure Switch with Zinc-Plated Steel Fitting, 125/250V, 25-75 psi Pressure, 1/4" NPT Male, SPDT Circuit
By Gems Sensors
In Stock
$81.00

mpn: 209166,

4.0 out of 5 stars with 173 reviews
These versatile general purpose switches with snap action microswitches can be used in a wide range of hydraulic and pneumatic applications. Their proven piston/ diaphragm design offers outstanding accuracy over a very wide pressure range with an out...


Gits 01001 Oil Hole Covers and Cup, Style C Brazed Oil Cups with Capacity, 1/8''- 27 Male NPT , 1-1/2 Overall Height, 1-7/16 Assembly Clearance
Gits 01001 Oil Hole Covers and Cup, Style C Brazed Oil Cups with Capacity, 1/8"- 27 Male NPT , 1-1/2 Overall Height, 1-7/16 Assembly Clearance
By Gits Manufacturing
In Stock
$14.24
$10.64
You Save: 25%

mpn: 01001,

4.6 out of 5 stars with 280 reviews
Oiler bodies are fine quality drawn construction. Craftsmanship and care assure dependable service and long life. The shank, gives a non-slip wrench hold. Zinc plated. Body and shank are securely brazed to form a leak-proof joint.Oiler bodies are fin...


McDonnell & Miller FS6-1  Flow Switch, 1'' Ips
McDonnell & Miller FS6-1 Flow Switch, 1" Ips
By Mcdonnell & Miller
In Stock
$286.60
$286.59

mpn: FS6-1,

4.8 out of 5 stars with 82 reviews
FS6-1, McDonnell & Miller McDonnell & Miller flow switch, 1 inch IPS, McDonnell & Miller, McDonnell & Miller McDonnell & Miller flow switch, 1 inch IPS. Made in United States. Manufactured by McDonnell Miller.Fs6-1. McDonnell & Miller McDonnell & Mil...


Gits 01207 Oil Hole Covers and Cup, Style L Elbow Threaded Oiler, 1/8''- 27 Male NPT, 25/32 Overall Height, 1-5/16 Assembly Clearance
Gits 01207 Oil Hole Covers and Cup, Style L Elbow Threaded Oiler, 1/8"- 27 Male NPT, 25/32 Overall Height, 1-5/16 Assembly Clearance
By Gits Manufacturing
In Stock
$16.38
$13.76
You Save: 16%

mpn: 01207,

4.6 out of 5 stars with 146 reviews
Style L oilers are used extensively on motors and small machinery requiring side oiling and extremely low cost. Zinc plated 1-piece die-casting has flat wrench hold on most style L screw-type oilers.Style L oilers are used extensively on motors and s...


Gits 01054 Bottle Oiler, Style CT Bottle Oiler, 1/4-18 NPT, 1-5/8 oz Capacity with Polycarbonate Body
Gits 01054 Bottle Oiler, Style CT Bottle Oiler, 1/4-18 NPT, 1-5/8 oz Capacity with Polycarbonate Body
By Gits Manufacturing
In Stock
$36.43

mpn: 01054,

4.0 out of 5 stars with 184 reviews
Combines the convenience of a self-closing hinged cover with the additional feature of a constantly visible oil supply. Constructed of transparent non-yellowing polycarbonate, this is in particular demand for food processing machinery and similar app...


Gems Sensors 155481 RFO Series Flow Rate Monitoring Sensor
Gems Sensors 155481 RFO Series Flow Rate Monitoring Sensor
By Gems Sensors
In Stock
$110.00

mpn: 155481,

4.9 out of 5 stars with 73 reviews
GEMS Sensors popularized the Rotor Flow's paddlewheel design by combining high visibility rotors with solid-state electronics that are packaged into compact, panel mounting housings. They provide accurate flow rate output with integral visual confir...


Gits 1633-037801 Style 1633 Breather Vent, 3/8-18 NPT Breather with Screen and Nylon Filter
Gits 1633-037801 Style 1633 Breather Vent, 3/8-18 NPT Breather with Screen and Nylon Filter
By Gits Manufacturing
In Stock
$15.08
$11.92
You Save: 21%

mpn: 1633-037801,

4.9 out of 5 stars with 213 reviews
Designed for rugged industrial applications, these breathers maintain safe, equalized pressure in a unit even when it is being filled or under sudden changes in ambient temperature. Style 1633 has a screen plus two layers of nylon for filtration.Desi...


Gems Sensors 144600 Intrinsically Low Sensitivity Safe-Pak Relay, 105 to 125 VAC Voltage, 5A Current
Gems Sensors 144600 Intrinsically Low Sensitivity Safe-Pak Relay, 105 to 125 VAC Voltage, 5A Current
By Gems Sensors
In Stock
$233.00
$223.98
You Save: 4%

mpn: 144600,

4.6 out of 5 stars with 283 reviews
Gems intrinsically low sensitivity safe-pak relay. Sensor closures up to 1000 ohm resistance control resistive loads to 5A at 120 VAC. Operating temperature range: -40 to +120 degree F. 5A load current maximum. 500 Turn-on sensitivity (typical). 2000...


Gems Sensors 22445 Intrinsically Safe-Pak Relay, 95 to 135 VAC Voltage, 5A Current
Gems Sensors 22445 Intrinsically Safe-Pak Relay, 95 to 135 VAC Voltage, 5A Current
By Gems Sensors
In Stock
$288.00
$282.15
You Save: 2%

mpn: 22445,

4.7 out of 5 stars with 230 reviews
Gems intrinsically Safe-Pak electronic relay. Less than 100 microamps at 9 VDC actuates the unit to control loads to 5A at 120 VAC. Resistive up to 100000 ohm or short-circuiting sensors operate the unit. Operating temperature range: 0 to +120 degree...



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