On-site nitrogen, hydrogen and oxygen gas generators for industrial plants.
Since 1993, Gastek has designed and manufactured custom-engineered systems trusted by leading industrial companies worldwide, supporting industrial plants from initial design through commissioning and long-term service.
33+ years
500+ projects
15+ countries
Selected buyers
Industrial proof across steel, pharma, energy and process plants.
Need nitrogen?
PSA nitrogen systems for regular industrial demand.
Explore optionPSA or membrane?
Compare purity, energy cost, pressure and supplier fit.
Compare optionsNeed hydrogen?
On-site hydrogen generation and ammonia cracking routes.
Explore optionNeed CMS?
CarboTech CMS and PSA adsorbent replacement support.
Explore optionProduct range
Start with the system your plant actually needs.
The product range is grouped around the buyer's decision: gas, purity, pressure, application and service expectation.
Full product hub- Air
- PSA
- Buffer
- N₂
Adsorption platform
PSA Nitrogen Generator
On-site nitrogen generation for process plants that need dependable purity, flow and uptime.
- Capacity
- 1–5,000 Nm³/hr
- Purity
- 95–99.999%
- Gas
- N₂
- Built around duty cycle and air package
ForChemical · Pharma · Steel
View product- Water
- Stack
- Dryer
- H₂
Electrolysis systems
Hydrogen Generator
PEM and alkaline hydrogen generation for process, laboratory, electronics and energy use.
- Capacity
- 0.5–500 Nm³/hr
- Purity
- up to 99.999%
- Gas
- H₂
- On-demand hydrogen near point of use
- PEM and alkaline options
- Configured around pressure and purity
ForEnergy · Electronics · Chemical
View product- Air
- Bed
- Sieve
- N₂
Separation media
CarboTech Carbon Molecular Sieves
CMS media for PSA nitrogen systems with controlled pore structure and stable selectivity.
- Media
- CMS
- Duty
- PSA
- Life
- Long
- CarboTech separation media
- Grade selection support
- Replacement planning for PSA plants
ForCMS · PSA · Retrofit
View product- Air
- VPSA
- Tank
- O₂
Oxygen generation
PSA / VPSA Oxygen Plants
Medical and industrial oxygen plants configured for continuous and reliable oxygen supply.
- Capacity
- 1–500 Nm³/hr
- Purity
- up to 93%
- Gas
- O₂
- PSA and VPSA oxygen packages
- Continuous oxygen supply
ForMedical · Industrial · Utility
View product- NH₃
- Crack
- Cool
- H₂
Hydrogen from ammonia
Ammonia Cracker Unit
Cracking furnaces with automation and optional purification stages for hydrogen-rich gas.
- Feed
- NH₃
- Output
- H₂ / N₂
- Mode
- Automatic
- High-efficiency cracking furnace
- Protective atmosphere applications
ForHeat treatment · Steel · Glass
View product- Air
- Fibre
- Trim
- N₂
Continuous-flow platform
Membrane Nitrogen Generators
Compact nitrogen systems for lower-purity, instant-on and remote industrial applications.
- Capacity
- 1–5,000 Nm³/hr
- Purity
- 95–99.5%
- Mode
- Flow
- Fast start-up operation
- Compact membrane modules
ForPackaging · Remote · Low purity
View productIndustry pathways
Find the right gas package by application.
A pharma reactor, food packaging line, electronics facility and laser cutting machine should not be routed through the same generic product conversation.
PSA nitrogen
Pharma and API
Blanketing, purging, packaging and regulated process nitrogen.
View industry guidePSA nitrogen
Chemical Processing
Inerting, reactor blanketing, solvent handling and process safety.
View industry guidePSA nitrogen
Food and Beverage
Packaging, modified atmosphere and oxygen-sensitive production.
View industry guidePSA nitrogen
Electronics
SMT, soldering, semiconductor and clean-environment supply.
View industry guidePSA nitrogen
Oil and Gas
Tank blanketing, purging, petrochemical and utility nitrogen.
View industry guidePSA nitrogen
Steel and Laser Cutting
Cutting gas, pressure review, storage and booster requirements.
View industry guideProof before polish
Built for buyers who care about uptime, documentation and lifecycle cost.
Since 1993, Gastek has engineered on-site gas generation systems for industrial plants that need reliable nitrogen, hydrogen, oxygen and purification packages.
Quiet proof across process industries
Systems supplied for energy, steel, pharma, electronics, packaged food and process industry buyers.
Engineering before quotation
Sizing starts with flow, purity, pressure, operating hours, controls, air package and site conditions.
Support after dispatch
Commissioning, service access, CMS replacement planning, spares and documentation can be discussed upfront.
Certifications and verification
Serious engineering needs serious traceability.
Gastek combines ISO-certified manufacturing, D-U-N-S verification and long-term industrial project experience.
Certified quality system
ISO 9001:2015
Greater Noida works
D-U-N-S verified
91-686-7372
Registered with Dun & Bradstreet
Contact engineering
Share your flow, purity, pressure and application.
Our team will help map the correct generator, purification stage, storage, booster and air-treatment scope around your actual plant requirement.