1/8 Npt Fuel Pressure Gauge Budget-friendly Choice

IMT 1/8 NPT fuel pressure gauge adopts high-precision Bourdon tube design and airtight vibration-resistant structure to ensure accurate readings under severe vibration environment. As the source factory of deep-cultivated instrument manufacturing, Hangzhou East Asia Instrument (IMT) has more than 10 professional production lines, supporting OEM customization and direct supply in large quantities, ensuring that you can obtain extremely advantageous unit price and fast production cycle.

YN-40 Model
1/8 NPT Interface specifications
Class 1.6 Accuracy class
0-100 pounds per square inch Measuring range
40mm Dial diameter
304 stainless steel Casing material
highly transparent glycerin Filling liquid
IP65 Protection Rating
1/8 Npt Fuel Pressure Gauge
1/8 Npt Fuel Pressure Gauge(images 2)

Standard 1/8 NPT interface

strictly follow the US pipe thread standard, and the tolerance is controlled within 0.01mm to ensure perfect adaptation to the fuel regulator or track and eliminate hidden dangers of leakage during installation.

1/8 Npt Fuel Pressure Gauge(images 3)

Seismic airtight structure

the case adopts fully sealed welding process and is filled with damping liquid, which can absorb mechanical vibration within 200Hz frequency, make the pointer stable and not shake, and extend the service life by 50%.

1/8 Npt Fuel Pressure Gauge(images 4)

Anti-corrosion 316L internal components

The pressure-sensitive components that contact the fuel are made of 316L stainless steel, which effectively resists the erosion of chemical additives in the fuel and prevents precision drift after long-term use.

1/8 Npt Fuel Pressure Gauge(images 5)

High-permeability polycarbonate window

thickened impact-resistant window material is used, which does not burst under extreme pressure impact, and does not yellow after long-term contact with oil stains, ensuring clear readings for maintenance personnel at any time.

1/8 Npt Fuel Pressure Gauge(images 6)

Precision laser marking scale

the dial scale is printed with high resolution, and the double unit (PSI/Bar) contrast is clear, which can realize fast and accurate numerical interpretation even in low light environment.

1/8 Npt Fuel Pressure Gauge(images 7)

Overload capacity enhancement design

with 1.3 times the range of instantaneous overload protection capability, to prevent the fuel pump starting instantaneous pressure pulse damage instrument internal movement.

Parameter ClassificationTechnical Specifications Details
Interface size1/8 NPT (American Standard Pipe Thread)
Measurement range0-15, 0-30, 0-60, 0-100, 0-160 PSI optional
Accuracy levelGrade 1.6 (full-scale error ±1.6%)
Shell materialAISI 304 stainless steel
Movement materialHigh-quality copper alloy or stainless steel
Operating temperature range-40 degrees Celsius to 70 degrees Celsius
Filling medium99.7% pure glycerin (90% liquid fill)
Installation methodRadial or axial mounting

IMT 1/8 NPT fuel pressure gauge far exceeds the industry standard in material selection. We insist on using a stainless steel shell with a thickness of 0.5mm, combined with a thickened Bourdon tube. Compared with similar products, the zero return error of IMT instrument remains within 0.5% after 100000 pressure cycle tests, which greatly reduces the frequency of late replacement.

1/8 Npt Fuel Pressure Gauge

1/8 Npt Fuel Pressure Gauge(images 9)

Radical cure of pointer jitter under severe pulse

In view of the common pump pulse problem of modified fuel system, IMT solves the problem of difficult reading caused by frequent pointer swing by installing a current limiting screw and a high viscosity damping fluid inside.
1/8 Npt Fuel Pressure Gauge(images 10)

Solve the problem of shell corrosion in harsh environments

IMT uses a 304 stainless steel shell that has been tested for 48 hours in salt spray, which solves the pain point of the case that is easy to oxidize and perforate when used in humid or salt spray areas.
1/8 Npt Fuel Pressure Gauge(images 11)

Solve the risk of fuel leakage at the connection

With the precision turning process of 1/8 NPT interface, IMT solves the problem of imprecise connection and potential safety hazard of fuel leakage caused by rough thread of similar instruments.

Racing modification and system integrators

Provides accurate monitoring of high-performance fuel injection systems, helping engineers adjust fuel delivery curves based on real-time pressure feedback.

1/8 npt fuel pressure gauge for people

Small generator set OEM factory

suitable for fuel supply pipeline, integrated on the equipment panel as a standard supporting component to ensure long-term stable operation of the engine.

1/8 npt fuel pressure gauge for people

Hydraulic and Pneumatic Component Distributors

For wholesalers looking for high-quality, US-standard interface meters, IMT offers OEM brand customization and competitive bulk prices.

1/8 npt fuel pressure gauge for people

Industrial testing and maintenance department

suitable for all kinds of pressure testing equipment requiring 1/8 NPT interface in the factory, providing reliable on-site pressure verification tools.

1/8 npt fuel pressure gauge for people
1/8 Npt Fuel Pressure Gauge(images 16)

Please wind an appropriate amount of raw material tape on the 1/8 NPT thread before installation to ensure the air tightness of the connection with the system.

1/8 Npt Fuel Pressure Gauge(images 17)

Use a wrench to fix the hexagon of the instrument connector for installation. Do not directly grasp the watch case for rotation to prevent deformation of the watch case.

1/8 Npt Fuel Pressure Gauge(images 18)

After installation, please cut or dial the tip of the sealing plug on the top of the case to the open position to balance the atmospheric pressure and ensure accurate readings.

1/8 Npt Fuel Pressure Gauge(images 19)

Please ensure that the normal operating pressure of the system is between 1/3 and 2/3 of the full scale of the meter to obtain the best measurement accuracy.

certificate

factory

Welcome to our Frequently Asked Questions page. We have compiled answers to common questions you may have, hoping to provide you with clear and quick solutions. If you cannot find the information you need here, please feel free to contact our customer support team.

Are 1/8 NPT threads interchangeable with BSP threads?
No, NPT threads are tapered and have a profile angle of 60 degrees, unlike BSP’s 55 degrees, and forced installation can cause damage or leakage.
Why is the liquid in the meter not full?
About 10% of the air bubbles are reserved to buffer the internal pressure generated by the thermal expansion of the liquid, which is a normal vibration-resistant meter structure.
Can this meter measure methanol or ethanol fuel?
If the 316L stainless steel connector version can be tolerated, the standard copper alloy connector version is recommended for gasoline or diesel only.
Why does the pointer of my pressure gauge not return to zero?
Please check whether the exhaust plug on the top of the gauge is cut off. Due to the change in the surface pressure due to the transport temperature difference, it is usually zeroed after venting.
1/8 NPT on behalf of the thread diameter is how many millimeters?
1/8 NPT large diameter is about 10.3mm, is the 1 kind of very general small pressure gauge interface specifications.
Does IMT provide personalized dial LOGO customization?
Yes, as the source factory, we support laser printing company brand logo on dial for OEM customers.
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1/8 Npt Fuel Pressure Gauge Budget-friendly Choice

IMT 1/8 NPT fuel pressure gauge adopts high-precision Bourdon tube design and airtight vibration-resistant structure to ensure accurate readings under severe vibration environment. As the source factory of deep-cultivated instrument manufacturing, Hangzhou East Asia Instrument (IMT) has more than 10 professional production lines, supporting OEM customization and direct supply in large quantities, ensuring that you can obtain extremely advantageous unit price and fast production cycle.

1/8 Npt Fuel Pressure Gauge

1/8 Npt Fuel Pressure Gauge(images 23)

strictly follow the US pipe thread standard, and the tolerance is controlled within 0.01mm to ensure perfect adaptation to the fuel regulator or track and eliminate hidden dangers of leakage during installation.

1/8 Npt Fuel Pressure Gauge(images 24)

the case adopts fully sealed welding process and is filled with damping liquid, which can absorb mechanical vibration within 200Hz frequency, make the pointer stable and not shake, and extend the service life by 50%.

1/8 Npt Fuel Pressure Gauge(images 25)

The pressure-sensitive components that contact the fuel are made of 316L stainless steel, which effectively resists the erosion of chemical additives in the fuel and prevents precision drift after long-term use.

1/8 Npt Fuel Pressure Gauge(images 26)

thickened impact-resistant window material is used, which does not burst under extreme pressure impact, and does not yellow after long-term contact with oil stains, ensuring clear readings for maintenance personnel at any time.

1/8 Npt Fuel Pressure Gauge(images 27)

the dial scale is printed with high resolution, and the double unit (PSI/Bar) contrast is clear, which can realize fast and accurate numerical interpretation even in low light environment.

1/8 Npt Fuel Pressure Gauge(images 28)

with 1.3 times the range of instantaneous overload protection capability, to prevent the fuel pump starting instantaneous pressure pulse damage instrument internal movement.

Parameter ClassificationTechnical Specifications Details
Interface size1/8 NPT (American Standard Pipe Thread)
Measurement range0-15, 0-30, 0-60, 0-100, 0-160 PSI optional
Accuracy levelGrade 1.6 (full-scale error ±1.6%)
Shell materialAISI 304 stainless steel
Movement materialHigh-quality copper alloy or stainless steel
Operating temperature range-40 degrees Celsius to 70 degrees Celsius
Filling medium99.7% pure glycerin (90% liquid fill)
Installation methodRadial or axial mounting

1/8 npt fuel pressure gauge comparison point

1/8 Npt Fuel Pressure Gauge
1/8 Npt Fuel Pressure Gauge(images 30)
Radical cure of pointer jitter under severe pulse
In view of the common pump pulse problem of modified fuel system, IMT solves the problem of difficult reading caused by frequent pointer swing by installing a current limiting screw and a high viscosity damping fluid inside.
1/8 Npt Fuel Pressure Gauge(images 31)
Solve the problem of shell corrosion in harsh environments
IMT uses a 304 stainless steel shell that has been tested for 48 hours in salt spray, which solves the pain point of the case that is easy to oxidize and perforate when used in humid or salt spray areas.
1/8 Npt Fuel Pressure Gauge(images 32)
Solve the risk of fuel leakage at the connection
With the precision turning process of 1/8 NPT interface, IMT solves the problem of imprecise connection and potential safety hazard of fuel leakage caused by rough thread of similar instruments.

Racing modification and system integrators

Provides accurate monitoring of high-performance fuel injection systems, helping engineers adjust fuel delivery curves based on real-time pressure feedback.

1/8 npt fuel pressure gauge for people

Small generator set OEM factory

suitable for fuel supply pipeline, integrated on the equipment panel as a standard supporting component to ensure long-term stable operation of the engine.

1/8 npt fuel pressure gauge for people

Hydraulic and Pneumatic Component Distributors

For wholesalers looking for high-quality, US-standard interface meters, IMT offers OEM brand customization and competitive bulk prices.

1/8 npt fuel pressure gauge for people

Industrial testing and maintenance department

suitable for all kinds of pressure testing equipment requiring 1/8 NPT interface in the factory, providing reliable on-site pressure verification tools.

1/8 npt fuel pressure gauge for people
1/8 Npt Fuel Pressure Gauge(images 37)

Please wind an appropriate amount of raw material tape on the 1/8 NPT thread before installation to ensure the air tightness of the connection with the system.

1/8 Npt Fuel Pressure Gauge(images 38)

Use a wrench to fix the hexagon of the instrument connector for installation. Do not directly grasp the watch case for rotation to prevent deformation of the watch case.

1/8 Npt Fuel Pressure Gauge(images 39)

After installation, please cut or dial the tip of the sealing plug on the top of the case to the open position to balance the atmospheric pressure and ensure accurate readings.

1/8 Npt Fuel Pressure Gauge(images 40)

Please ensure that the normal operating pressure of the system is between 1/3 and 2/3 of the full scale of the meter to obtain the best measurement accuracy.

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FAQ

FAQ

Are 1/8 NPT threads interchangeable with BSP threads?
No, NPT threads are tapered and have a profile angle of 60 degrees, unlike BSP’s 55 degrees, and forced installation can cause damage or leakage.
Why is the liquid in the meter not full?
About 10% of the air bubbles are reserved to buffer the internal pressure generated by the thermal expansion of the liquid, which is a normal vibration-resistant meter structure.
Can this meter measure methanol or ethanol fuel?
If the 316L stainless steel connector version can be tolerated, the standard copper alloy connector version is recommended for gasoline or diesel only.
Why does the pointer of my pressure gauge not return to zero?
Please check whether the exhaust plug on the top of the gauge is cut off. Due to the change in the surface pressure due to the transport temperature difference, it is usually zeroed after venting.
1/8 NPT on behalf of the thread diameter is how many millimeters?
1/8 NPT large diameter is about 10.3mm, is the 1 kind of very general small pressure gauge interface specifications.
Does IMT provide personalized dial LOGO customization?
Yes, as the source factory, we support laser printing company brand logo on dial for OEM customers.
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