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Preciman

FranceMeasurement & Detection

Preciman is a manufacturer of mechanical pressure and vacuum measurement instruments, supplying a range of gauges and manometers designed for industrial process control and equipment monitoring. The product line centers on analog pressure gauges with dial sizes from 50 mm to 100 mm, covering pressure ranges from vacuum to 250 bar, and available in multiple construction materials including glycerin-damped stainless steel, carbon steel, and all-stainless variants. These instruments are built to meet the demands of plant environments where corrosion resistance, vibration tolerance, and repeatable accuracy are essential. The gauges feature either axial or vertical (bottom) connection orientations, with standard thread ports such as G1/4 and G1/2, allowing integration into boiler systems, steam lines, hydraulic circuits, and compressed-air networks. Dial faces are marked in bar, with color-coded zones available for quick operator reference, and accuracy classes are specified per model, typically ±2.5% of full scale for standard gauges. Glycerin-filled housings provide damping that reduces needle oscillation in pulsating pressure environments, common in industrial burner fuel lines and pump discharge sides, while dry construction is offered for applications where glycerin is not required. The range also includes 2-way valves for gas service, rated to PN25, which are used for isolating or venting pressure instruments in gas lines. Preciman instruments are supplied by 3G Electric, a Singapore-headquartered industrial-equipment distributor with global reach, which maintains inventory to support planned maintenance schedules and emergency equipment replacement across Asia-Pacific and beyond. These gauges are specified in OEM boiler packages and aftermarket system upgrades where direct, analog pressure indication is required alongside or in place of electronic sensors. The product family is designed for straightforward installation and long service life, with materials selected for resistance to media compatibility and environmental exposure. For procurement specialists and maintenance managers, Preciman offers a practical, cost-effective solution for pressure monitoring in a wide range of industrial applications, from low-pressure air systems to high-pressure hydraulic circuits. The availability of multiple dial sizes, connection types, and case materials allows for specification flexibility to match existing piping and panel layouts. 3G Electric supports the line with technical documentation and fast dispatch, ensuring that replacement gauges can be sourced without extended downtime. Whether for new installations or retrofits, Preciman gauges provide reliable, analog pressure indication that is easy to read and maintain, making them a staple in many industrial facilities.

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About Preciman

Preciman is a manufacturer of mechanical pressure and vacuum measurement instruments, supplying a range of gauges and manometers designed for industrial process control and equipment monitoring. The product line centers on analog pressure gauges with dial sizes from 50 mm to 100 mm, covering pressure ranges from vacuum to 250 bar, and available in multiple construction materials including glycerin-damped stainless steel, carbon steel, and all-stainless variants. These instruments are built to meet the demands of plant environments where corrosion resistance, vibration tolerance, and repeatable accuracy are essential. The gauges feature either axial or vertical (bottom) connection orientations, with standard thread ports such as G1/4 and G1/2, allowing integration into boiler systems, steam lines, hydraulic circuits, and compressed-air networks. Dial faces are marked in bar, with color-coded zones available for quick operator reference, and accuracy classes are specified per model, typically ±2.5% of full scale for standard gauges. Glycerin-filled housings provide damping that reduces needle oscillation in pulsating pressure environments, common in industrial burner fuel lines and pump discharge sides, while dry construction is offered for applications where glycerin is not required. The range also includes 2-way valves for gas service, rated to PN25, which are used for isolating or venting pressure instruments in gas lines. Preciman instruments are supplied by 3G Electric, a Singapore-headquartered industrial-equipment distributor with global reach, which maintains inventory to support planned maintenance schedules and emergency equipment replacement across Asia-Pacific and beyond. These gauges are specified in OEM boiler packages and aftermarket system upgrades where direct, analog pressure indication is required alongside or in place of electronic sensors. The product family is designed for straightforward installation and long service life, with materials selected for resistance to media compatibility and environmental exposure. For procurement specialists and maintenance managers, Preciman offers a practical, cost-effective solution for pressure monitoring in a wide range of industrial applications, from low-pressure air systems to high-pressure hydraulic circuits. The availability of multiple dial sizes, connection types, and case materials allows for specification flexibility to match existing piping and panel layouts. 3G Electric supports the line with technical documentation and fast dispatch, ensuring that replacement gauges can be sourced without extended downtime. Whether for new installations or retrofits, Preciman gauges provide reliable, analog pressure indication that is easy to read and maintain, making them a staple in many industrial facilities.

Common Applications

  • Boiler systems — Preciman steel pressure gauge D63 0/+1bar for steam pressure monitoring
  • Hydraulic circuits — Preciman glycerin stainless steel gauge D100 0/+40bar for pump discharge pressure
  • Compressed air networks — Preciman ABS case gauge D50 0/+4bar for line pressure indication
  • Gas distribution lines — Preciman 2-way valve 1/4 gas PN25 for instrument isolation
  • Industrial burner fuel lines — Preciman glycerin manometer D50 0/+1.6bar for pulsating pressure damping
  • Process equipment monitoring — Preciman steel gauge axial D50 0/+25bar for general fluid systems
Origin: Manufactured in France

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Guides & Resources

Frequently asked questions

Common questions about Preciman from 3G Electric.

What pressure ranges are available for Preciman pressure gauges?

Preciman pressure gauges cover a wide range of measurement spans, from vacuum (negative pressure) up to 250 bar, depending on the model. For example, the glycerin all-stainless manometer with a 100 mm dial is available in a 0 to +400 bar range, while smaller gauges like the 50 mm ABS case model measure 0 to +4 bar. This variety allows selection based on the specific operating pressure of the system, ensuring accurate indication within the gauge's full-scale range.

What is the difference between glycerin-filled and dry Preciman gauges?

Glycerin-filled Preciman gauges have their internal mechanism immersed in glycerin, which damps needle oscillation caused by pulsating pressures, such as those from pumps or compressors. This damping extends the gauge's service life and improves readability. Dry gauges, without glycerin, are suitable for steady pressure conditions and are often lighter and less expensive. The choice depends on the application's pressure fluctuation level and environmental factors.

What connection sizes and orientations are available for Preciman gauges?

Preciman gauges are offered with standard thread ports of G1/4 and G1/2, which are common in industrial piping. Connection orientations include axial (back connection) and vertical (bottom connection) types. For instance, the steel gauge axial D50 uses a G1/4 connection, while the glycerin stainless steel D100 uses a G1/2 connection. This variety ensures compatibility with existing fittings and mounting configurations.

Are Preciman gauges suitable for use in gas systems?

Yes, Preciman offers a 2-way valve specifically rated for gas service, with a PN25 pressure rating and a 1/4 inch connection. This valve is designed for isolating or venting pressure instruments in gas lines. Additionally, the pressure gauges themselves can be used in gas applications, provided the wetted materials are compatible with the gas media. For high-pressure gas systems, models with stainless steel cases and glycerin filling are recommended for durability.

What accuracy can I expect from Preciman pressure gauges?

Preciman pressure gauges typically have an accuracy of ±2.5% of full scale, as seen in models like the ABS case gauge with a 50 mm dial. This accuracy class is standard for industrial analog gauges and is suitable for general monitoring applications where precise measurement is not critical. For higher accuracy requirements, electronic sensors may be considered, but for most process monitoring, this level is adequate.

Can Preciman gauges be used in corrosive environments?

Yes, Preciman offers all-stainless steel gauges, such as the glycerin all-stainless manometer, which provide excellent corrosion resistance for harsh environments. These are suitable for chemical processing, marine, and offshore applications where exposure to moisture or corrosive media is a concern. For less demanding environments, carbon steel or ABS case options are available, but they should be protected from direct corrosive exposure.