BABA-Compliant Products

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KOBOLD USA: Your Trusted Partner for BABA-Compliant Products

At KOBOLD USA, we understand the importance of ensuring that your government funded projects comply with the stringent requirements of the Build America, Buy America (BABA) Act. With over 35 years of experience in American manufacturing, we are proud to offer a range of BABA-certified products that help you meet these regulations while maintaining the highest standards of quality and reliability.

Our flow and level instrumentation is trusted by government agencies, engineering firms, and OEMs across the United States. Whether you're working on transportation, energy, water, or public works projects, our products are designed to keep your operations running smoothly, efficiently, and BABA compliant. By choosing KOBOLD, you're not only supporting American manufacturing but also ensuring that your project benefits from superior performance and durability.

Explore our selection of BABA-compliant products below, and let our experienced team of engineers assist you in making the right choices for your project. Schedule an appointment today so we can fully understand your needs and ensure full compliance with the Build America, Buy America Act

BABA-Compliant Products

BVB
Manifold Valves for VKG/VKM Variable Area Flow Meters

Made in the USA | Up to 8 Units | 6.3 GPM per Complete Valve Block | Up to 930 PSI and 210 °F | 1/2" NPT | Aluminum Body

Starting at $374
BVB - Manifold Valves for VKG/VKM Flow Meters
Max. Flow Capacity
6.3 GPM per Complete Valve Block
Fitting
1/2" NPT Thread
Body Material
Aluminum
Max. Pressure
930 PSIG
Max. Temperature
210 °F (100 °C)
Max. Flowmeter Quantity
8 Units
    Easy to Install
    Convenient, Centralized Flow Adjustment
    For 1 to 8 Flowmeters
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
BVO
OEM Variable Area Flow Meter & Switch

Made in the USA | Quick Delivery | For Liquids | Rugged Metal Design | up to 13 GPM | up to 212 °F | up to 145 PSIG

Starting at $359
Fast Delivery
BVO - OEM Flow Meter with Switch
Measuring Range
0.1...1.0 GPM to 1...13 GPM
Accuracy
± 10% Full Scale
Fittings
¼"...1" NPT Threads, Brass or 304 SS
Max. Temperature
212 °F (100 °C)
Maximum Pressure
145 PSIG
Media Category
Liquid
    Lower Cost, Rugged Design
    Repeatability ± 2% of Full Scale
    Brass or Stainless Steel Wetted Parts
    Adjustable SPST Switch Standard
    Made in the USA
    Quick Delivery
    Certifications/Approvals: cCSAus
    BABA (Build America, Buy America) compliant
View Full Product Info
DAA
Sight Flow Indicator with Self-Cleaning Mechanism

Made in the USA | Twist to Clean | With or Without Rotor | Up to 150 cSt | Up to 230 PSI | Brass or SS | 1/4"...1-1/2" NPT

Starting at $221
Fast Delivery
DAA - Self-Cleaning Sight Glass/Rotor Flow Indicator, Easy Maintenance
Fittings
¼"...1½" NPT Thread
Body Material
Brass or SS, Borosilicate Glass
Max. Pressure
232 PSIG
Max. Temperature
212 °F (100 °C)
Viscosity Limit
150 cSt Max.
Media Category
Liquid
    Cleaning Mechanism for Ease of Maintenance
    Universal Mountablity
    Available With or Without Rotor
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
DAF
Low-Flow Paddle Wheel Flow Indicator

Made in the USA | Quick Delivery | For Liquids | as Low as 0.5 GPH | up to 230 °F | up to 235 PSIG | Brass, SS, or Polysulfone | Rotatable During Operation

Starting at $357
Fast Delivery
DAF - Paddle-wheel Flow Indicator for Liquids - Low Min. Flow Indication
Flow Range
0.5...1.6 GPH to 80...2380 GPH
Fittings
1/8"...1½" NPT Thread
Body Material
Brass, SS, Polysulfone
Max. Pressure
235 PSIG (Model Dependent)
Max. Temperature
230 °F (110 °C) (Model Dependent)
Media Category
Liquid
    Clearly Visible Flow Indication
    Low Minimum Indicated Flow
    Rotatable While in Operation (Except for Material Combination IV)
    Applicable to a Wide Variety of Compatible Medias
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
DF
Paddle Wheel Flow Sensor with Frequency Output

Made in the USA | For Liquids | up to 36 GPM | up to 1450 PSIG | up to 180 °F | 1/8" to 1-1/2" NPT | 6 Different Material Combinations | No Straight Runs Required

Starting at $628
DF - Paddle Flow Sensor With Frequency Output
Measuring Range
0.02...0.14 to 1.5...36 GPM
Fittings
1/8"...1-1/2" NPT Thread
Wetted Materials
Ni-Plated Brass, SS, Polysulfone, PVDF, FKM, NBR
Max. Pressure
1450 PSIG (Model Dependent)
Max. Temperature
180 °F (80 °C) (Model Dependent)
Accuracy
± 2.5% FS
Electrical Output
NPN Pulse Frequency
Media Category
Liquid
    ± 2.5% of Full Scale Accuracy
    NPN Frequency Output
    Easy to Install, No Straight Run Required
    Rugged and Reliable
    6 Different Material Combinations Available
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DF-DL
Digital Paddle Wheel Flow Meter

Made in the USA | For Liquids | Rate, Totalizing, Batching | Up to 36 GPM | Up to 1,450 PSI | Up to 180 °F | NPT Threads | Wide Variety of Materials

Starting at $1,559
DF-DL - Digital Flow Meter with Batch Controller
Measuring Range
0.02...0.14 to 1.5...36 GPM
Fitting
1/8"...1-1/2" NPT Thread
Max. Pressure
1450 PSIG
Max. Temperature
180 °F (80 °C)
Wetted Materials
Ni-Plated Brass, SS, Polysulfone, PVDF, FKM, NBR
Accuracy
± 2.5% FS
Media Category
Liquid
    Rate, Totalizing, and Batching
    LED Display
    Subtracting and Adding Totalizer
    1 Batching Relay
    1 Freely Programmable Relay
    Output of 0(4)-20 mA, 0-10 VDC
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DF-KL
Digital Paddle Wheel Flow Meter

Made in the USA | For Liquids | up to 36 GPM | up to 1450 PSIG | up to 180 °F | 1/8" to 1-1/2" NPT | Continuous Rate, Switching, and Analog Output

Starting at $1,719
DF-KL - Digital Flow Meter
Measuring Range
0.02...0.14 to 1.5...36 GPM
Fittings
1/8"...1-1/2" NPT Thread
Wetted Materials
Ni-Plated Brass, SS, Polysulfone, PVDF, FKM, NBR
Max. Pressure
1450 PSIG
Max. Temperature
180 °F (80 °C)
Accuracy
± 2.5% FS
Media Category
Liquid
    Continuous Rate, Switching, and Analog Output
    Digital Display, 2 Limit Value Relays
    Output of 0(4)-20 mA, 0-10 VDC
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DIG
Paddle Wheel Flow Indicator

Made in the USA | For Liquids | up to 21 GPM | up to 230 PSIG | up to 176 °F | 1/8" to 1" NPT | Brass, SS, or Polypropylene

Starting at $191
DIG - Rotating Vane Flow Indicator
Flow Capacity
0.13...3.2 GPM to 0.79...21 GPM
Fittings
1/8"...1" NPT Thread
Housing
Brass, Stainless Steel, Polypropylene
Max. Pressure
230 PSI
Max. Temperature
176 °F (80 °C)
∆P at Max. Flow
14.5 PSI
Media Category
Liquid
    Clearly Visible Flow Indication
    Choice of Three Housing Materials
    Non-Metallic (All Plastic) Version Available
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DIH
Rotating Vane Flow Indicator

Made in the USA | Compact Size | Clear Indication | Up to 230 PSI | NPT Connections | 0.05...13.2 GPM

Starting at $248
DIH - Rotating Vane Flow Indicator
Flow Capability
0.05...0.13 GPM to 0.26...13.2 GPM
Fittings
3/8" NPT Thread, 1" NPT
Housing
Brass, Stainless Steel, POM
Max. Pressure
230 PSI
Max. Temperature
176 °F (80 °C)
∆P at Max. Flow
14.5 PSI
Media Category
Liquid
    Compact Size
    Clearly Visible Flow Indication
    Choice of Three Housing Materials
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DKB
Flow Indicator with Ball

Made in the USA | Liquid or Gas | 85 PSI | NPT Thread | Up to GPM | Up to 88 SCFM

Starting at $137
Fast Delivery
DKB - Flow Indicators with Ball
Water Ranges
0.014...4.0 GPM to 0.047...27.0 GPM
Air Ranges
0.0.11...14 SCFM to 0.32...88 SCFM
Max. Pressure
85 PSIG
Max. Temperature
250 °F (120 °C)
Connection
1/8"...1" NPT Thread
Body Material
Brass
Media Categories
Liquid or Gas
    Usable With Air
    Horizontal Installation Only
    Highly Visible
    Economical
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
DKF
Paddle Wheel Flow Indicator

Made in the USA | For Liquids | up to 22 GPM | up to 85 PSIG | up to 250 °F | 1/8" to 1" NPT | Horizontal or Vertical Installation

Starting at $165
Fast Delivery
DKF - Paddle-Wheel Flow Indicator for Liquids
Indicating Range
0.04...0.5 GPM to 0.50...22.0 GPM
Fittings
1/8...1 NPT Thread
Body Material
Brass
Max. Pressure
85 PSIG
Max. Temperature
250 °F (120 °C)
Media Category
Liquid
    Horizontal or Vertical Installation
    Highly Visible
    Economical
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
DPL
All-Plastic Low Flow Paddle Wheel Flow Meter

Made in the USA | For Liquids | Up to 400 GPH | Polypropylene Build | Sapphire Bearings | Up to 145 PSI | Up to 160 °F

Starting at $167
DPL - All-Plastic Low Flow Paddle-Wheel Sensor
Measuring Range
0.4...8.0 GPH to 16...400 GPH
Fittings
G½ Thread, Hose Barb Connector
Body Material
Polypropylene
Max. Pressure
145 PSIG
Max. Temperature
160 °F (70 °C)
Accuracy
± 5 % FS
Media Category
Liquid
    Precision Water Flow Transmitter
    Polypropylene Construction
    Sapphire Bearings
    Pulse Frequency Output Standard
    Optional Analog Output and/or Digital Indication
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DPM
Pelton Wheel Flow Meter

Made in the USA | For Liquids | Low Flow Rate Measurement | Brass or SS | Up to 80 GPH | Up to 230 PSI | Up to 176 °F | Optional Flow Rate Indicators

Starting at $336
DPM - Pelton Wheel Flow Sensor
Measuring Range
0.24...4.8 GPH to 0.8...80 GPH
Fittings
1/8" NPT, 1/4" NPT, G 1/8, G 1/4 Threads
Housing Material
Nickel-Plated Brass or 316L SS
Max. Pressure
230 PSIG
Max. Temperature
176 °F (80 °C)
Accuracy
± 1.5 % FS (± 2.5 % FS w/K000 and F300 Output)
Signal Output
Pulse Frequency, 4-20 mA Analog, Transistor Switch
Display
3-Digit LED or Analog Pointer Indication
Media Category
Liquid
    Flow Measurement of Low Flow Rates
    Compact Design
    Long-Life Sapphire Axle/Bearing Assembly
    Analog or Frequency Pulse Signal Outputs
    Optional Digital Flowrate Indicators
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DRG
Paddle Wheel Flow Meter

Made in the USA | For Liquids | Brass, 316 SS, or Polypropylene Models | Up to 37 GPM | Up to 580 PSI | Up to 176 °F | Optional Electronics

Starting at $186
DRG - Paddle Wheel Flow Sensor
Measuring Range
0.15...3 GPM to 3...37 GPM
Fittings
1/8" NPT to 1" NPT Threads
Body Materials
Brass, 316 SS, Polypropylene
Max. Pressure
580 PSIG
Max. Temperature
176 °F (80 °C)
Accuracy
± 3 % FS
Outputs Available
Pulse Frequency, 4-20 mA Analog, Transistor Switches
Media Category
Liquid
    Economically Priced
    Perfect OEM Flow Sensor
    All Plastic Version Available
    Five Material Combinations
    Frequency, 4-20 mA Analog, or Optional Digital Flowrate Indicators
    Water Flow Ranges of 0.15...3 GPM to 3...37 GPM
    Operating Pressures to 580 PSIG
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DRH
Paddle Wheel Flow Meter

Made in the USA | For Liquids | Seven Different Material Combinations | Up to 13.2 GPM | Up to 580 PSI | Up to 176 °F | Optional Flow Rate Indicators

Starting at $323
DRH - Paddle Wheel Flow Sensor
Measuring Range
0.05...0.2 GPM to 0.66...13.2 GPM
Fittings
3/8" NPT, 1" NPT Threads
Body Materials
Ni-Plated Brass, 316 SS, POM, PVDF
Max. Pressure
580 PSIG
Max. Temperature
176 °F (80 °C)
Accuracy
± 2.5 % FS
Outputs Available
Pulse Frequency, 4-20 mA Analog, Transistor Switches
Media Category
Liquid
    Compact Size
    Seven Material Combinations
    Frequency, 4-20 mA Analog, or Optional Digital Flowrate Indicators
    Operating Pressures to 580 PSIG
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
DUK
Compact Inline Ultrasonic Flow Meter

For Liquids | Highest Turndown Ratio 250:1 | High Repeatability | Low Pressure Loss | Up to 160 GPM | Up to 230 PSI | Up to 194 °F | Brass or SS | NPT Threads

Starting at $1,084
DUK - Small Inline Ultrasonic Flow Meter - High Turndown Ratio
Measuring Ranges
0.02...5 GPM to 0.6...160 GPM
Accuracy
± 0.7 % of Rate and ± 0.7 % F.S.
Fittings
½"...3" NPT or G Thread
Material
Brass or 316 Stainless Steel
Maximum Temperature
194 °F (90 °C)
Maximum Pressure
230 PSIG
Turndown Ratio
250 to 1
Outputs
Analog, Frequency, Switching, Compact Electronics with Configurable Outputs
Media Category
Liquid
    Made in the USA
    Suitable for Many Liquids up to 68 cSt
    Two Configurable Outputs
    High Turndown Ratio of 250 to 1
    Very Small Pressure Loss
    Highly Repeatable
    Flow and Temperature Measurement
    IO-Link
    Bi-directional Measurement Capabilities
    Top Seller
    BABA (Build America, Buy America) compliant
View Full Product Info
KSK
All-Plastic Rotameter Flow Meter & Switch

Made in the USA | For Liquid or Gas | For Low Flow Rates | as low as 0.006 GPM or 0.06 SCFM | up to 145 PSIG | 3/8" to 1" NPT | Transistor or Reed Switches

Starting at $137
KSK - All-Plastic Low-Flow Flow Meter and Switch
Measuring Range
0.006...0.05 GPM to 0.44...4.4 GPM, 0.06...0.27 SCFM to 11.8...62 SCFM
Fittings
3/8"...1" NPT Thread
Maximum Pressure
145 PSIG
Accuracy
± 4% Full Scale
Media Categories
Liquid or Gas
    Non-Corrosive Wetted Materials
    Compact Design
    Polysulfone Version is Highly Resistant to Acidic and Alkaline Solutions
    Transistor and Reed Switch Contacts Available
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
KSM
All Plastic Flow Meter and Switch

Made in the USA | For Liquids | Direct Reading Scales for Water or Air | Large, Easy to Read Scale | Shock and Corrosion Resistant | Up to 260 GPM or 400 SCFM | Up to 145 PSI

Starting at $236
Fast Delivery
KSM - All-Plastic Flow Meter and Switch for Liquids or Gases
Measuring Range
0.06...0.66 to 35...264 GPM / 0.5...3 SCFM to 50...400 SCFM
Fittings
1"...2½" Glue Socket or NPT Thread
Body Material
Polyamide, Polysulfone
Max. Pressure
145 PSIG
Max. Temperature
140 °F (60 °C) (w/PVC Connections)
Accuracy
± 4% of Full Scale
Contact
Optional Reed Switch
Media Categories
Liquid or Gas
    Shock and Corrosion Resistant
    Direct Reading Scales for Water or Air
    Large, Easy-To-Read Scale
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
KSR - SVN
Low Volume Flow Switch

For Liquids or Gas | Contorl for Very Low Flows | as low as 0.03 GPH or 0.1 SCFH | up to 230 PSIG | up to 160 °F | 1/4" NPT | Proximity Switch or Reed Contact

Starting at $877
KSR/SVN - Low Volume Flow Switch for Liquids or Gases
Switching Range
0.03...4 GPH, 0.1...13 SCFH
Fittings
¼" NPT Thread, G¼
Wetted Materials
303 SS, Borosilicate Glass, FKM
Max. Pressure
230 PSIG
Max. Media Temperature
160 °F (70 °C)
Contact
Proximity Switch or Reed Contact
Media Categories
Liquid or Gas
    Control of Very Small Flows
    Proximity Switch or Reed Contact
    Vertical Connections for Inline Mounting
    BABA (Build America, Buy America) compliant
View Full Product Info
MIK
Economical Inline Magnetic Flow Meter

Made in the USA | Top Seller | Plastic - Wide Variety of Material Combinations | Chemicals, Acids, Caustics | Switch, Batch, Totalize | 0.18...180 GPM

Starting at $418
MIK - Plastic Magnetic Flow Meter - Chemicals, Acids, Caustics, Water
Available Ranges
0.18...7.8 GPH to 9...180 GPM
Accuracy
± 2% of Full Scale
Repeatability
± 1% of Full Scale
Media Temp. Range
32...176 °F (80 °C) (140 °F Max. w/PVC Fittings)
Media Conductivity
Minimum 30 μS/cm (Minimum 200 μS/cm for Range Codes U0 & U1)
Maximum Pressure
145 PSIG @ 70 °F
Max. Pressure Drop
3.6 PSI @ 100% Rated Flow
Max. Viscosity
20 cSt for ranges U0...U8, 70 cSt for ranges UA...UH
Wetted Materials
PPS/SS/NBR, PPS/SS/FKM, PPS/Hastelloy®/NBR, PPS/Hastelloy®/FKM, PVDF/Hastelloy®/FFKM, PVDF/Tantalum/FFKM
Media Category
Liquid
    For Use With Water and a Wide Variety of Conductive Liquids, Acids and Caustics
    Flow and Temperature Measurement
    IO Link Function
    Switching, Transmitting, and Batching Functions
    Grand and Resettable Totalizer
    2 Configurable Outputs
    Bi-directional Flow Measurement
    Made in the USA
    Top Seller
    Sample Applications: Machine Building, Chemical Industry, Paper and Pulp, Auto Industry, Cement, and Laboratories
    BABA (Build America, Buy America) compliant
View Full Product Info
NBK
Standard Magnetic Level Gauge

Made in the USA | Long measuring lengths for deep tanks | High pressure & temperatures

Starting at $1,287
NBK - Magnetic Level Gauge
Max. Measuring Length
18 ft, Longer with Extended Design
Fittings
½"...1¼" NPT, ½"...2" ANSI Flange
Wetted Materials
316-Ti SS, Titanium
Max. Pressure
Flanged per ASME B 16.5 RF-2009 / NPT to 3600 PSIG
Max. Temperature
750 °F (400 °C)
Options
Resistive Transducer, 4-20 mA Transmitter, Switches, Measuring Scale
    Two Week Lead Time
    KOBOLD Circular Magnet System is Effective from All Sides
    Media Temperatures to 750 °F
    Industrial Ruggedness
    Made in the USA
    Top Seller
    Sample Applications: Storage Tanks, Tanks on Ships, Agitator Vessels, and Water Tanks
    BABA (Build America, Buy America) compliant
View Full Product Info
NBK-04
Top-of-the-Tank Mount Magnetic Level Gauge

Made in USA | Designed for installation into underground tanks | Depths from 20" to 157" | Max 230 PSIG & 250 °F

Starting at $873
NBK-04 - Tank-Top Mounted Level Indicator
Max. Measuring Length
13 Ft.
Fittings
2", 2½", 3", 4" ANSI Flange
Material
316-Ti SS
Max. Pressure
230 PSIG
Max Temperature
250 °F (120 °C)
Options
4-20 mA Analog Transmitter, Switches, Measuring Scale
    Two Week Lead Time
    Measuring Depths from 20"...157"
    Maximum Pressure to 230 PSIG
    Maximum Temperature to 250 °F (120 °C)
    Highly Visible Level Indication for Underground Tanks
    Made in the USA
    Top Seller
    Sample Applications: Storage Tanks, Tanks on Ships, Agitator Vessels, and Water Tanks
    BABA (Build America, Buy America) compliant
View Full Product Info
NBK-M
Mini Magnetic Level Gauge

Made in the USA | Up to 9.8 feet in length | Up to 580 PSIG & 390 & 390 °F

Starting at $743
NBK-M - Economical Level Indicator
Max. Measuring Length
9.8 Feet
Fittings
½"...1" NPT, ½"...1" ANSI or DIN Flanges
Material
316 SS Tube & Fittings, Titanium Float
Max. Pressure
580 PSIG
Max. Temperature
390 °F (200 °C) (Option Dependent)
Transducer Accuracy
Max. ± 0.04" (with Option "T")
Available Options
Switches, Transmitters, Scales
    Two Week Lead Time
    Economical Rugged Design
    316 SS Tube & Fittings, Titanium Float
    Maximum Pressure to 580 PSIG
    Maximum Temperature to 390 °F
    Measuring Lengths to 9.8 Feet
    Made in the USA
    Top Seller
    Sample Applications: Storage Tanks, Tanks on Ships, Agitator Vessels, and Water Tanks
    BABA (Build America, Buy America) compliant
View Full Product Info
NE
Conductive Level Switch

Made in the USA | up to 6 Contacts | up to 440 PSIG | up to 300 °F | 1/2" or 1-1/2" NPT | SS, Hastelloy, or Titanium with Polyolefin or PTFE Cladding | Usable with Dirty and Corrosive Media

Starting at $296
Fast Delivery
NE - Conductive Level Switch
Contacts
Up To 6 Contacts via External Relays
Fittings
½" NPT, 1½" NPT Male
Material
SS, Hastelloy®, Titanium w/ Polyolefin or PTFE Cladding
Max. Pressure
440 PSIG
Max. Temperature
Up To 300 °F (150 °C) w/PTFE Cladding
    For Conductive Liquids Only (>20 uS/cm)
    Multiple Switchpoints
    Usable with Dirty / Corrosive Media
    Highly Reliable
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
NEH
Cable-Suspended Conductive Level Switch

Made in the USA | up to 6 Contacts | up to 90 PSIG | up to 300 °F | Usable with Dirty and Corrosive Media | SS, Hastelloy, Titanium, PTFE

Starting at $225
NEH - Cable-Suspended Conductive Level Switch
Contacts
Up To 6 Contacts via External Relays
Fittings
½" NPT, 1½" NPT Male
Material
SS, Hastelloy®, Titanium, PTFE
Max. Pressure
90 PSIG
Max. Temperature
Up To 300°F (150 °C) w/PTFE Cable
    For Conductive Media Only (>20 uS/cm)
    Multiple Switchpoints via Suspended Electrodes
    Usable with Dirty / Corrosive Media
    Highly Reliable
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
NGM
Guided Wave Radar Level Transmitter

Made in the USA | Up to 65 feet of measurement | Ideal for tanks with difficult geometry | Modular probe design

Starting at $1,791
NGM - Guided Wave Radar Level Transmitter
Measuring Range
Liquids up to 65 Feet
Fittings
3/4" NPT, G 3/4, ANSI Flange 1½"...4", DIN Flange DN40...DN100
Wetted Parts
St. Steel, PTFE
Operating Pressure
-14.5...580 PSIG
Media Temperature
-320...480 °F (250 °C)
Accuracy
± 3 mm or 0.03% of Measured Value
Power Supply
12-30 VDC, 4-Wire
Output
4-20 mA, PNP Switching Output
    Suitable for Many Liquids and Light Solids
    Independent of Density, Temperature, Pressure and Humidity
    Modular Probe Design
    Complete Galvanic Insulation of Device Electronics
    Made in the USA
    Ideal Solution for Tanks with Difficult Geometry
    BABA (Build America, Buy America) compliant
View Full Product Info
PSR - PS
Paddle Flow Switch

Made in USA | Low Cost | For Liquids | Adjustable Switch-point | Simple, Reliable Design | Brass or SS | Inline or Insertion | Up to 3,600 PSI and 230 °F

Starting at $110
Fast Delivery
PSR/PS - Paddle Flow Switch
PSR Switching Ranges
0.6...1.2 GPM to 12.6...17.7 GPM
PS Switching Ranges
18...24 to 101...141 GPM
Fittings
1/4"...1-1/2" NPT Thread
Body Material
Brass, SS
Max. Pressure
1450 PSIG (Brass) / 3600 PSIG (SS)
Max. Temperature
230 °F (110 °C)
Reed Switch Contact
SPST Standard, SPDT (Optional)
Media Category
Liquid
    Adjustable Switch Point
    Easy to Install
    Brass or SS Construction
    Low Cost
    Simple, Reliable Design
    Certifications/Approvals: cCSAus
    Sample Application Areas: Chillers, Cooling Circuits, Pump Protection, Water Fire Suppression, Eye Wash Stations & More
    Made in the USA
    Top Seller
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
REG
Automatic Flow Regulating Valve

Made in the USA | Passively Activated | Brass or SS | Up to 2,900 PSI | Up to 572° F | 0.13...10.56 GPM

Starting at $108
Fast Delivery
REG - Automatic Flow Regulating Valve
Flow Rates
0.13...10.56 GPM (Water)
Fittings
3/4" NPT Female/Female, Female/Male
Material
Brass, SS
Max. Pressure
2900 PSIG
Max. Temperature
572 °F (300 °C)
    Brass or SS Construction
    Universal Mountability
    Passively Activated
    Compact Design
    Made in the USA
    Top Seller
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info
S Series
High Pressure All-Metal Flow Switch

Made in the USA | For Liquids or Gas | up to 14 GPM or 70 SCFM | up to 5000 PSIG | up to 240 °F | 1/4" to 3/4" NPT

Starting at $268
Fast Delivery
S - All-Metal Flow Switch for Liquids or Gases
Switching Range
0.075...0.25 to 1...14 GPM / 0.2...1.1 to 3.0...70 SCFM
Fittings
¼"...¾" NPT Threads
Body Material
Brass, SS
Max. Pressure
3600 PSIG (Brass) / 5000 PSIG (SS)
Max. Temperature
240 °F (115 °C) (Brass/SS Float) / 160 °F (70 °C) (PP, PVDF Float)
Accuracy
± 5% FS
Media Categories
Liquid or Gas
    Cost-Effective
    Reliable Operation
    Compact Design
    Vertical Connections for Easy Installation
    Made in the USA
    Quick Delivery
    Certifications/Approvals: cCSAus
    BABA (Build America, Buy America) compliant
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SM
Compact High Pressure All-Metal Rotameter

Made in the USA | For Liquids or Gas | Brass or SS | Direct Reading Water or Air Scales | Up to 40 GPM or 130 SCFM | Up to 5,000 PSI | Up to 212 °F | NPT Threads

Starting at $347
Fast Delivery
SM - High Pressure All-Metal Flow Meter and Switch
Switching Range
0.04...0.6 to 4...40 GPM / 0.2...1 to 5...130 SCFM
Fittings
1/4"...1-1/4" NPT Threads
Body Material
Brass, SS
Max. Pressure
3600 PSIG (Brass) / 5000 PSIG (SS)
Max. Temperature
160 °F (70 °C) (PP Float) / 212 °F (100 °C) (Brass/SS Float)
Accuracy
± 5% F.S.
Media Categories
Liquid or Gas
    ± 5% Full Scale Accuracy
    Maximum Pressure - 3600 PSI / 5000 PSI
    Direct Reading Scales for Water and Air @ STP
    Small, Compact Design
    Easy to Install
    Vertical and Horizontal Flows
    Certifications/Approvals: cCSAus
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
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SMN
All Metal Flow Switch

Made in the USA | For Liquids | Low Switch Point Capabilities | Low Pressure Drop with High Flow Rates | Brass or SS | Up to 5,000 PSI and 212 °F

Starting at $334
Fast Delivery
SMN - Flow Switch for Liquids
Switching Range
0.4...13 GPM
Switch Point
Approx. 0.25...1 GPM Falling
Fitting
1" NPT Thread
Body Material
Ni-plated Brass or St. Steel
Max. Pressure
3600 PSIG (Brass) / 5000 PSIG (SS)
Max. Temperature
212 °F (100 °C)
Switch
N/O or SPDT Reed Contact
Media Category
Liquid
    Low Switch Point
    Low Pressure Drop at High Flows
    Brass or SS Construction
    Maximum Pressure - 3600/5000 PSIG
    Maximum Temperature - 212 °F
    N/O or SPDT Reed Switch
    Certifications/Approvals: cCSAus
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
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SV
Variable Area Float-Type Flow Meters and Switches

Made in the USA | For Liquids or Gas | as Low as 0.075 GPM or 0.25 SCFM | up to 145 PSIG | up to 212 °F | 1/4" to 1-1/4" NPT | N/O or SPDT Contact

Starting at $340
Fast Delivery
SV - Float-Type Flow Meters and Switches
Liquid Ranges
0.075...0.35 to 2.5...40 GPM
Gas Ranges
0.25...1.25 to 10...150 SCFM
Fittings
¼"...1¼" NPT Threads
Material
Ni-plated Brass, SS
Max. Pressure
145 PSIG
Max. Temperature
160°F (70 °C) / 212 °F (100 °C)
Accuracy
± 5% FS
Option
N/O or SPDT Reed Contact
Media Categories
Liquid or Gas
    ± 5% Full Scale Accuracy
    Small, Compact Design
    Direct Reading Scales for Water and Air
    Wide Measuring Range
    Vertical Connections for Easy Installation
    Certifications/Approvals: cCSAus
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
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SWK
High Pressure Variable Area Flow Meter and Switch

Made in the USA | For Liquids | For High Pressures | up to 24 L/m | up to 3625 PSIG | up to 212 °F | Brass, SS, or PVC | Adjustable Switch or Switch with Indicator

Starting at $197
SWK - Compact Flow Meters and Switches
Measuring/Switching Range
0.05...0.1 to 13...24 L/m
Repeatability
±2.5% f.s.
Body Material
Brass, Stainless Steel, PVC
Fitting
G ½ Thread
Max. Temperature
212 °F (100 °C)
Max. Pressure
3625 PSIG
Media Category
Liquid
    Adjustable Switch or Switch with Indicator
    Compact Size, Universal Mounting
    Brass, Stainless Steel or PVC Body
    Made in the USA
    BABA (Build America, Buy America) compliant
View Full Product Info
VKA
OEM Viscosity Compensated Flow Meter

Made in the USA | For Liquids | up to 26 GPM | up to 26 GPM | up to 3600 PSIG | up to 212 °F | 1/2" to 3/4" NPT | up to 540 cSt Media Viscosity

Starting at $545
Fast Delivery
VKA - OEM Viscosity-Compensated Flow Meter
Measuring Ranges
2...6.3 GPH to 8...26 GPM
Fittings
1/2" or 3/4" NPT Threads
Material
Ni-Plated Brass
Viscosity Range
30-540 cSt
Temperature Range
-13...212 °F (100 °C)
Max. Pressure
3600 PSIG
Accuracy
± 4% FS (Add ± 4% for Viscosity Changes)
Media Category
Liquid
    All Metal Body
    Switch Only, Meter Only, or Meter/Switch Versions
    Pressures to 3600 PSI
    Certifications/Approvals: cCSAus
    Made in the USA
    Quick Delivery
    Sample Applications: Lubrication Circuits, Pulp and Paper, Hydraulics, Extraction Machines, and Printing Machines
    BABA (Build America, Buy America) compliant
View Full Product Info
VKG
Viscosity Compensating Flow Meter and Switch

Made in the USA | Direct Reading Oil Scale | For Higher Viscosity Media | Easy Installation | Up to 175 PSI | Up to 212 °F | NPT Threads | 0.03...21 GPM | Optional Switches

Starting at $533
VKG - Viscosity-Compensating Flow Meter and Switch
Measuring/Switching Range
0.03...0.12 to 2...21 GPM
Fittings
¼" NPT...1" NPT Threads
Wetted Material
Ni-Plated Brass, SS, Glass, NBR, FKM
Max. Pressure
175 PSIG
Max. Temperature
212 °F (100 °C)
Accuracy
± 5% FS
Options
1 or 2 Reed Contacts, External Pointer Indicator
Media Category
Liquid
    For High and Low Viscosity Media
    Viscosity-Compensated up to 540 cSt (No Scale Recalibration Necessary)
    Density Compensated up to 30 lb/ft3
    Direct Reading Oil Scale
    Mounting Position Independent
    Inline Connections for Easy Installation
    Certifications/Approvals: cCSAus
    Made in the USA
    Top Seller
    BABA (Build America, Buy America) compliant
View Full Product Info
VKM
All-Metal Viscosity Compensating Flow Meter for Oils

Made in the USA | Top Seller | 0.03...20 GPM | Patented Viscosity Compensation | Viscosities up to 540 cSt | Up to 5,000 PSI | Brass or Stainless

Starting at $554
VKM - All-Metal Viscosity Compensating Flow Meter and Switch
Measuring/Switching Range
0.03...0.12 to 2...20 GPM
Fittings
¼"...1" NPT Threads
Material
Ni-Plated Brass, SS
Max. Pressure
3600 PSIG (Brass) / 5000 PSIG (SS)
Max. Media Temperature
212 °F (100 °C) (176 °F for VKM-0xxx & VKM-6xxx w/C34P)
Accuracy
± 4% FS
Options
Reed Contact, Analog Output, Compact Electronics
Media Category
Liquid
    ± 4% Full Scale Accuracy
    Viscosity Compensation to 540 cSt (No Scale Recalibration Necessary)
    Density Compensation to 30 lb/ft3 (0.48 SG)
    Direct Reading Scales
    Installation In Any Position
    Inline Connections
    Max. Pressure - 3600 PSIG (Brass) / 5000 PSIG (SS)
    Certifications/Approvals: cCSAus
    Made in the USA
    Top Seller
    BABA (Build America, Buy America) compliant
View Full Product Info
VKP
Plastic Variable Area Flow Meter

Made in the USA | For Liquids | up to 26 GPM | up to 230 PSIG | up to 250 °F | 1/4" to 1" NPT | Polysulfone Body | Direct Reading Scales | Reed Contact

Starting at $95
Fast Delivery
VKP - Plastic Flow Meter and Switch
Switching Range
0.5...5 GPM to 5...26 GPM (Water) / 0.5 ...4.5 GPM to 3...20 GPM (Oil)
Fittings
1" NPT Standard Threaded, ½" NPT and ¾" NPT Union Fittings (Optional)
Body Material
Polysulfone
Max. Pressure
230 PSIG
Max. Temperature
250 °F (120 °C)
Accuracy
± 5 % FS
Options
Reed Contact, Union Fittings
Media Category
Liquid
    ± 5% Full Scale Accuracy
    ± 1% Full Scale Repeatability
    NPT Fittings
    Polysulfone Construction
    Compact Size
    Direct Reading Scale for Oil and Water
    Made in the USA
    Quick Delivery
    BABA (Build America, Buy America) compliant
View Full Product Info

Explore Our Product Line

Discover KOBOLD USA's expertise in industrial instrumentation, offering advanced solutions for flow, pressure, level, and temperature measurement. Our products, synonymous with quality and precision, cater to a wide range of industries, backed by expert engineering and exceptional customer support.

Industrial Instrumentation

Kobold: A Different Stance on Tariffs

While many companies are immediately raising prices due to new tariffs, Kobold is maintaining stable pricing by leveraging our established Pittsburgh manufacturing operations and years-long commitment to American production. As a nimble mid-size company with strong domestic roots, we can quickly adapt to market changes without passing immediate cost increases to our customers. When market turbulence creates uncertainty, Kobold provides the steady partnership and reliable measurement solutions you need to keep your operations flowing smoothly.

Why Choose Us

Choosing KOBOLD means opting for a partner who understands your needs and is equipped to help you tackle the challenges of modern industry. We are not just a supplier; we are a partner committed to contributing to your success.

  • Innovative Solutions At KOBOLD, we are continually advancing our technology to meet the ever-evolving challenges of the industrial world. Our products incorporate the latest innovations, ensuring they remain at the forefront of measurement and control technology.
  • Customization We understand that each industry has its specific needs. That's why we specialize in providing customized solutions, tailored to fit the exact requirements of your operations.
  • Quality and Reliability Our products are synonymous with quality and reliability. Manufactured under stringent standards, they guarantee accurate and consistent performance, contributing to the efficiency and safety of your processes.
  • Global Expertise, Local Support With our global presence, we bring a wealth of international expertise. Combined with local support, we ensure that our clients receive the best of both worlds - world-class technology with personalized, local service.
  • Comprehensive Range Our diverse range of products means we can cater to a wide array of measurement and control needs, making us a one-stop solution for many of our clients.
  • Customer-Centric Approach We pride ourselves on being customer-centric. From consultation to after-sales service, our team is dedicated to providing excellent support, ensuring that your experience with us adds value to your operations.
Talk to an Expert
Talk to an Expert
LinkedIn

Join our LinkedIn community

At Kobold, we believe in sharing our story, and LinkedIn is where we bring it to life. Follow us to stay connected with the pulse of our company and the instrumentation industry.

What you'll find:

  • Employee spotlights that showcase the talented individuals behind our success
  • Product updates to keep you informed about our latest innovations
  • Success stories that demonstrate the real-world impact of our solutions
  • Educational articles to enhance your industry knowledge

Our LinkedIn page reflects our core values: a focus on our people, continuous improvement of our processes, and the excellence of our products. We strive to create content that's not just informative, but also engaging and valuable to our followers.

We appreciate every member of our LinkedIn community and always welcome your feedback. Your insights help us improve and grow.

Connect with us today and be part of our journey in the world of instrumentation and measurement technology. We look forward to engaging with you!

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KOBOLD Worldwide

KOBOLD proudly serves clients globally with our extensive network of locations. In the USA, we're based in Pittsburgh, PA, providing top-tier service and expertise in flow measurement technology.

Office Locations
USA
Germany
Australia
Austria
Belgium
Bulgaria
Canada
China, Peoples Republic
Czech Republic
France
Hungary
India
Indonesia
Italy
Malaysia
Mexico
Netherlands
Perú
Poland
Republic of Korea
Singapore
Slovakia
Spain
Switzerland
Thailand
Tunisia
Turkey
United Kingdom
Vietnam
Other Members of the KOBOLD group
Heinrichs Henschen Mesura Unirota