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Gas Regulators & Instrumentation Tools
Your trusted source for all NMT® products and the NEW SunSonic®
ultrasonic water meters.
About Us
Metering & Regulation Needs
GRIT has a proud legacy of engineering excellence and innovation. Our team is committed to advancing gas regulators and gas meters with solutions that exceed industry standards.
We provide products designed to optimize and enhance your gas management systems. Our reliable technology ensures superior performance and operational efficiency for our clients.
With a reputation built on reliability and customer satisfaction, we continue to lead the way in delivering transformative solutions in gas regulation and metering.
- New Technology
- Quality Products
- Accuracy & Reliability
- Innovation in Every Step
Our Latest Products
Industry-leading solutions crafted to meet your gas regulator and gas meter needs.
Each product is engineered to deliver precise measurements, enhancing your operational efficiency.
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RT-500 Runtime Device
Read moreThe NMT® RT500 is a digital device designed for applications where the installation of a gas meter is not always practical or cost effective. These modules monitor ‘on time’ of various inputs and initiates a pulse output every 36 or 60 seconds. The RT500 provides the most cost effective means of allocating gas usage of appliance ‘on time’.
Features
- Monitors ‘on time’ of various applications
- Compact design
Versions
- RT500-ST: 12;24V initiation
- RT500-PS: Pressure switch or relay initiation (gas water heater)
- RT500-FP: millivolt initiation (fireplace, gas water heater)
Literature & Resources
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NDM
Read morePipe Size: 1-1/2″npt to 6″ FL
The NMT® NDM rotary gas meter is a positive displacement type gas meter where, unlike other meters, measurement accuracy is not affected by changes in specific gravity, changing pressures or fluctuating flows. With its compact size, ease of maintenance and robust performance the NDM rotary meter is the best choice for gas measurement where accuracy and dependability is required.
Features
- Rotatable CF index, M3 available
- Indoor/outdoor, 100% sealed UV resistant index
- Multi-position flow orientation capable
- Pulse Output standard
- Up to 38,000 scfh flow
- 290 psig max pressure
Standards
- EN12480
- ISO9951
- NMi
- ANSI
Literature & Resources
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NG4
Read morePipe Size: 3/4″
The NMT® NG4 diaphragm gas meter is made to measure accurately submetering applications of gas appliances. The aluminum construction along with the sealed register allows it to be installed in many applications where size is of utmost importance. The pulse output allows for integration of remote totalizers and communications devices.
Features
- Submetering Applications
- NTEP – CA Approved
- State of MA Approved
- Pulse Output standard
- Aluminum body
Literature & Resources
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NGRB Series
Read moreNGRB
Pipe Size: 2″ and 3″ FL
Outlet Pressure Range: 7″ to 21.4 psig
The NMT® NGRB Series regulators are single stage, self-operated regulators for heavy duty work under high, medium and low-pressure applications, for all types of non-corrosive gases. The NGRB Series regulator has a built-in partial relief valve (token relief), which allows occasional rises in the outlet pressure above the relief pressure to be released gradually into the atmosphere without triggering an overpressure shut-off valve or high limit switch due to occurrences such as sudden variations in flow or variations in temperature causing an increase in downstream pressure.
NOTE: The NGRB regulator requires a downstream sensing line that senses the downstream pressure to operate. This sensing line must be installed within the piping system and connected to the regulator at its appropriate connection.
Features
- Internal token relief
- Corrosion-resistant exterior
- High capacity at low inlet pressures
- Internal balanced valve allowing low lock up with high inlet pressures
- Field-interchangeable springs
- Designed for easy maintenance
Specifications
- Gas types: Natural gas, LPG, other non corrosive dry gases
- Maximum inlet pressure: 145 psig
- Maximum emergency inlet pressure: 145 psig
- Operating temperature: -4°F to +140°F
Literature & Resources
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NGR08
Read morePipe Size: 1-1/4″ to 3″ FL
Outlet Pressure Range: 2″ to 7 psig
The NMT® NGR08 series spring-loaded gas regulators with internal relief provide consistent and controlled pressure in various residential, industrial, and commercial applications. The NGR08 meets ANSI Z21.80 for Class I, Class II, Vent Limiting, and OPD (Overpressure Protection Device) applications and is designed for use in many applications where non-corrosive dry gases are used.
Features
- ANSI Z21.80 certified
- Vent Limiter Option
- Internal Relief – OPD
- Outlet pressures up to 7 psig
- Conforms to ANSI B109.4
- Corrosion-resistant exterior
Specifications
- Pipe size: 1-1/4″ NPT to 3″ FL
- Gas types: Natural gas, LPG, other non corrosive dry gases
- Maximum inlet pressure: 25 to 125 psig per orifice
- Maximum emergency inlet pressure: 175 psig
- Operating temperature: -40°F to +140°F
Literature & Resources
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NGR06
Read morePipe Size: 1-1/4″ to 3″ FL
Outlet Pressure Range: 2″ to 7 psig
The NMT® NGR06 series spring-loaded gas regulators with internal relief provide consistent and controlled pressure in a variety of residential, industrial, and commercial applications. The NGR06 meets ANSI Z21.80 for Class I, Class II, Vent Limiting, and OPD (Overpressure Protection Device) applications and is designed to be used in many applications where non-corrosive dry gases are used.
Features
- ANSI Z21.80 certified
- Vent Limiter Option
- Internal Relief – OPD
- Outlet pressures up to 7 psig
- Conforms to ANSI B109.4
- Corrosion-resistant exterior
Specifications
- Gas types: Natural gas, LPG, other non corrosive dry gases
- Maximum inlet pressure: 25 to 125 psig per orifice
- Maximum emergency inlet pressure: 175 psig
- Operating temperature: -40°F to +140°F
Literature & Resources
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NGR04
Read morePipe Size: 1-1/4″ to 3″ FL
Outlet Pressure Range: 3″ to 3 psig
The NMT® NGR04 series spring-loaded gas regulators with internal relief provide consistent and controlled pressure in a variety of residential, industrial, and commercial applications. The NGR04 meets ANSI Z21.80 for Class I, Class II, Vent Limiting, and OPD (Overpressure Protection Device) applications and is designed to be used in many applications where non-corrosive dry gases are used.
Features
- ANSI Z21.80 certified
- Vent Limiter Option
- Internal Relief – OPD
- Outlet pressures up to 3 psig
- Conforms to ANSI B109.4
- Corrosion-resistant exterior
Specifications
- Gas types: Natural gas, LPG, other non corrosive dry gases
- Maximum inlet pressure: 10 to 125 psig per orific
- Maximum emergency inlet pressure: 175 psig
- Operating temperature: -40°F to +140°F
Literature & Resources
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NGR02
Read morePipe Size: 1/2″ to 1-1/4″
Outlet Pressure Range: 2″ to 5 psig
The NMT® NGR02 series spring-loaded gas regulators with internal relief provide consistent and controlled pressure in a variety of residential, industrial, and commercial applications. The NGR02 meets ANSI Z21.80 for Class I, Class II, Vent Limiting, and OPD (Overpressure Protection Device) applications and is designed to be used in many applications where non-corrosive dry gases are used.
Features
- ANSI Z21.80 certified
- Vent Limiter Option
- Internal Relief – OPD
- Outlet pressures up to 5 psig
- Conforms to ANSI B109.4
- Corrosion-resistant exterior
Specifications
- Gas types: Natural gas, LPG, other non corrosive dry gases
- Maximum inlet pressure: 10 to 125 psig per orifice
- Maximum emergency inlet pressure: 175 psig
- Operating temperature: -40°F to +140°F
Literature & Resources
Open the Door to Outdoor Installs
A simple, compliant, and field-ready solution designed for outdoor gas regulator installation.
N5 Series
Pipe Size: 3/8" to 2"
The NMT® N5 Series gas regulator is an ANSI Z21.80 certified self-operating regulator with a vent limiting option for use in residential, commercial, and industrial applications. The N5 vent allows for indoor use without the need to pipe external vent lines. With the added benefit of extended corrosion resistance, the N5 allows for various applications where the best regulation performance is required.
Features:
- ANSI Z21.80 certified
- ANSI Z21.80 certified
- ANSI Z21.80 certified
- ANSI Z21.80 certified
Metering &
Regulation Needs
A simple, compliant, and field-ready solution designed for
outdoor gas regulator installation.
Control with Confidence
Maximize safety and efficiency in your gas system with our dependable gas regulators. Find the perfect fit for your needs.
Innovation in every Drop
Experience cutting-edge water metering with ultrasonic technology that offers unparalleled accuracy, even at low flow velocities.
Accuracy and Reliability
Ensure your facility has the most accurate gas measurements. Access our full range of gas meters.
Get What You Need- Fast
The Regulator Sizing Tool saves time, reduces the risk of choosing the wrong regulator, and provides an easy-to-use solution for anyone needing assistance to make confident, accurate decisions for their operations.
By inputting key parameters such as flow rate, pressure, and gas type, the tool quickly generates the most appropriate regulator, ensuring you get the best match for efficiency, safety, and performance.
The GRIT Regulator Sizing Tool has simplified the process of finding your right gas regulator for based on your specific needs.
