The best way to fill your cylinders

World class gas filling tech. Precision, Safety, and Technical Excellence tailored for the gas industry.

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Serious Engineering & Innovation

ATEX Options

Safety is our priority. Our systems strictly match safety requirements and can be fully ATEX certified for hazardous environments.

Low Cost, More Efficient

Our solutions are designed to be financially viable. Increase your product yield by 10% and slash production time by up to 40%.

Turnkey Solutions

From design to installation, we provide complete, ready-to-use systems. Seamless integration with over 650 communication protocols.

Serious Engineering

Our Equipment Range

Explore our comprehensive line of highly automated and precise gas filling solutions.

E-Connect

E-Connect

Advanced connectivity module for seamless facility integration and remote telemetry.

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Technical Specs

  • SCADA Centralization
  • Interoperability & Sync
  • Automated SQL/FTP Export
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Machine Monofill

Monofill

Universal, high-precision automated gas filling system for individual cylinders.

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Technical Specs

  • Up to 6 filling outputs
  • Weighing or Mass flowmeter
  • Industry, food & medical
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Mixfill

Mixfill

High-accuracy blending system engineered for complex and precise gas mixtures.

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Technical Specs

  • Up to 6 gas inputs
  • Complex multi-gas recipes
  • Top-Filling capability
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Tankfill

Tankfill

High-capacity filling solutions for bulk storage tanks and large-scale industrial distribution.

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Technical Specs

  • Up to 4 filling stations
  • Single gas or mixture
  • Floor mounted weighing system
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Stopramp

Stopramp

Automated filling halt system preventing overpressure and guaranteeing rack safety.

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Technical Specs

  • Semi Automated Filling (SAFT)
  • Overpressure prevention
  • Manual skid control unit
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Stopfill Cryo

Stopfill Cryo

Specialized automatic shut-off system for safe cryogenic liquid applications.

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Technical Specs

  • Cold End Temperature detection
  • Up to 4 filling stations
  • Dewars automated filling
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Pump Control Panel

Pump Control Panel

Advanced control panels offering real-time thermodynamic monitoring and enhanced safety.

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Technical Specs

  • Cryogenic pumping automation
  • Cavitation detection
  • Automated degassing
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Analysis Sequencer

Analysis Sequencer

Fully automated analytical sequencer for gas quality control and tracking.

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Technical Specs

  • Up to 200 steps per recipe
  • Manages up to 20 analyzers
  • Traceability (PDF/TXT)
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Cylinder Proofs

Cylinder Proofs

Automated testing systems for cylinder safety validation and regulatory compliance.

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Technical Specs

  • Hydrostatic testing & weighing
  • Thermal & quality controls
  • Native Zebra labeling
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Systems Comparison

Features \ Systems Monofill Mixfill Tankfill Stopramp Stopfill Cryo
Single Gas
Gas Mixtures
Liquefied Gases (CO2, N2O)
Cryogenic Liquids
Automation LevelFullFullFullSemi-Auto (No recipes)Full
Control MethodPress. / Temp. / WeightMass Flow / Press. / WeightWeight / Mass FlowPress. / Temp.Temperature

Beyond Systems: Complete Turnkey Projects

We don't just manufacture standalone equipment. PLC & Process is your single point of contact for complete, custom-built gas filling plants, from the 3D design and pipework down to the final commissioning.

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Interactive Blueprint

Hover over the hotspots to explore the advanced components of our systems.

Monofill
Automated single-gas filling.
Tankfill
Weighing filling for bundles and cylinders.
Mixfill
Gas mixtures filling.
Monofills
Multi-line single-gas filling stations.
Cryogenic Pump Control Panel
Cryogenic pumping management.

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SYSTEMS IN OPERATION

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EXPORT WORLDWIDE

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COUNTRIES SUPPLIED

Global Presence Map

Our Engineering Process

A proven methodology to upgrade your filling plant. During our preliminary studies, we proactively identify areas for productivity improvement and suggest safety optimizations inspired by HAZOP methodologies and compliant with ATEX/SIL requirements.

01

Technical Audit

In-depth analysis of your existing filling plant and production goals.

02

Custom Engineering

Design a standard P&ID and suggest modifications to improve productivity.

03

Manufacturing

Rigorous in-house assembly, simulation, and safety validation before shipping.

04

Commissioning

Weekend integration ensuring seamless transition with zero production loss.

Manufacturing & Packing
Manufacturing & Packing
System in action
Commissioning & Training

Case Studies

Discover how our equipment transforms filling plants through these recent project examples.

New Project

Express Retrofit (UK)

Installation: 3 Mixfills, 3 Pump Panels, 1 CO2 Heater, 1 E-Connect.

The Challenge: Plant slowed down by aging systems, complex relay logic, and obsolete interfaces.

Our Solution: Complete retrofit in a single weekend. Smart recovery of viable hardware (VFDs) to optimize costs.

The Result: Zero production downtime. Operators trained by Monday morning, instantly boosting productivity.

High Efficiency

Top-Filling Efficiency (Australia)

Installation: 2 Mixfills (Mass Flow), 1 Tankfill, 3 Pump Panels, 1 E-Connect.

The Challenge: Equipping a brand-new filling plant with absolute requirements for profitability and reliability.

Our Solution: Deployment of a modern infrastructure, commissioned in 1 week on-site with advanced Top-Filling technology.

The Result: 10% gas recovered at each fill and a 40% reduction in preparation time. Highest reliability in the corporate group.

Turnkey

Total Automation (Ireland)

Installation: 3 Monofills, 2 Mixfills, 1 Tankfill, 1 Stopramp, Analysis Sequencer, Cylinder Proofs, E-Connect.

The Challenge: A lack of productivity requiring a transition to total industrial automation.

Our Solution: Delivery of a massive infrastructure covering the entire cylinder lifecycle.

The Result: Every equipment is perfectly synchronized via SCADA. Productivity at absolute maximum with flawless traceability.

The Family Touch

As a family-owned business, we believe in building strong, lasting relationships. Our dedicated team embodies technical excellence and proximity to our clients.

PLC Process Team
PLC Process Headquarters
BPI France Visit
BPI France Partnership Visit
Rémy

Rémy

Founder & CEO

Alexis

Alexis

Lead Engineer

Sandrine

Sandrine

Administration

Edwin

Edwin

Technical Support

Samuel

Samuel

Technical Support

They Trust Us

Proud official partner of Weidmüller

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Frequently Asked Questions

Through the integration of Top Filling with a flowmeter, our clients have observed a notable 10% increase in product yield during the filling process. Additionally, this innovative combination has the potential to slash production time by as much as 40%.

Employing sensors enhances operator safety by ensuring pressure-free disconnection, closed rack protection during filling, prevention of overpressure, and mitigation of thermodynamic risks.

Yes. Our systems are designed to comply with international safety standards, including ATEX certification for hazardous atmospheres, SIL (Safety Integrity Level) requirements, and CE marking. Built-in sensors continuously monitor pressure, temperature, and flow to prevent overpressure, ensure safe disconnection, and protect operators in all industrial environments.

Production runs uninterrupted most of the time. We can carry out system installations over the weekend, ensuring a swift transition from your old setup to the new one.

Using our advanced communication technology, we have over 650 communication protocols available, ensuring seamless communication even with legacy systems.

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