Define impurities, not purity alone
Confirm allowable oxygen, moisture, oil, particles and other sensitive impurities together with sampling point and test method. The same nominal purity does not guarantee the same gas quality.
HIGH-PURITY NITROGEN
High-Purity Nitrogen Systems
Generation, purification, analysis, storage and off-spec handling configured from the process residual-oxygen limit.
99.9–99.9999%Project-defined purity
O₂ analysisContinuous verification
PurificationDuty-dependent
Off-specAutomatic handling
These are reference ranges from existing materials. Maximum flow and highest purity may not coincide. Confirm the model, feed conditions, dew-point basis and optional configuration in the project datasheet.
ENGINEERING NOTES
Define the duty before selecting equipment.
The following establishes a technical discussion framework. Final performance, scope, certification and acceptance criteria are defined in the agreed technical specification.
ENGINEERING SCHEMATIC
High-purity gas-quality chain
Nominal purity is one metric; oxygen, moisture, oil, particles, sampling point and test method form one quality chain.
01
Base generationStable flow and base purity
02
DeoxygenationSet by residual O₂
03
Final drying & filtrationMoisture, oil, particles
04
Online analysisCalibration & trending
05
Qualified-gas bufferOff-spec automatically isolated
06
High-purity processVerify at point of use
System architecture
Depending on base generation and point-of-use specification, use direct PSA supply or add deoxygenation, drying, fine filtration, storage and online analysis. High purity is the result of the complete gas path, not a headline generator number.
Acceptance and traceability
FAT and SAT should define analyser range, accuracy, calibration gas, stabilisation time, sample line and off-spec interlock, with trend records retained.
Site and utility verification
Ambient temperature, altitude, dust or cleanliness, power, cooling, compressed air, space, logistics and local codes can change capacity, layout and scope.
Complete equipment and interface list
List compression and treatment, generation or membranes, purification, boosting, storage, analysis, venting, controls, communications, piping and installation interfaces rather than comparing generator price alone.
From FAT to stable production
Maintain continuity from factory testing and preservation through arrival inspection, SAT, training and operating trends. Contract and acceptance records govern final performance, responsibility and warranty.
Image information
This image explains equipment configuration and engineering processes; it is not a customer-site or acceptance record.
EQUIPMENT & DELIVERY
Measurement starts with the sampling point
Purity, residual oxygen and dew point are different specifications. Define the analyte, sampling location and pressure basis before choosing instruments, alarms and off-spec handling. The illustration explains the arrangement and contains no test readings.
Image information
This image explains equipment configuration and engineering processes; it is not a customer-site or acceptance record.
EQUIPMENT & DELIVERY
Valve sequencing between the towers
One tower adsorbs while the other regenerates. Valves sequence feed, pressure equalisation, delivery and exhaust. Buffering and off-spec handling must be assessed separately from the process demand, with access and spares planned for the valves.
Image information
This image explains equipment configuration and engineering processes; it is not a customer-site or acceptance record.
EQUIPMENT & DELIVERY
Commissioning continues to the point of use
After connection, check instruments, alarms, gas quality, pressure and off-spec handling under the agreed test plan, then complete training and handover. Acceptance depends on actual records; the screen shown here contains no performance data.
SYSTEM BOUNDARY
A deliverable system makes every critical interface explicit.
01 Feed air→02 Air treatment→03 Gas separation→04 Analysis & storage→05 Process user
PAGE FAQ
Answer the critical questions before sizing.
What is the minimum information for a quotation?
Provide the process, average and peak flow, minimum purity, pressure, dew point, hours, environment, standards and target production date.
Can a standard model be used directly?
Standard modules may be the foundation, but train count, storage, treatment, controls and interfaces must be checked against the actual duty and site.
How is delivery risk reduced?
Write reference conditions, measurement method, sampling point, stabilisation, test duration, off-spec handling and responsibilities into the technical agreement.
CONTACT KEVIN
Tell us about your site.
Send Kevin your application, location and the data you have. We will work through the next steps together.
