CSD Sealing Systems CSD Sealing Systems
Hydrogen, carbon capture and biofuels

Hydrogen, carbon capture and biofuels

Robust, future-ready protection for next-generation energy facilities. Hydrogen production, carbon capture (CC), CO₂ transport, and biofuel plants form a rapidly expanding sector at the heart of global decarbonisation. These facilities combine high-pressure systems, flammable or corrosive gases, complex electrical networks and strict regulatory requirements, meaning that every penetration must deliver proven, multi-hazard protection.

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Designed for clean energy demands

CSD’s sealing systems provide long-life, maintenance-free defence for hydrogen electrolysers, compression stations, CC hubs, CO₂ pipelines, biogas facilities and advanced biofuel production plants. Our products preserve safety, uptime and environmental containment, supporting compliance with ATEX, DSEAR and emerging standards across the clean energy landscape. With certified performance against fire, water, gas, smoke and chemical exposure, CSD helps safeguard the infrastructure powering the energy transition.
Our Case Studies

Watertight and gastight sealing tested up to 10 bar

Essential for hydrogen and CO₂ systems

Up to 4 hours EI-rated fire protection

For plant rooms, control centres and cable routes

ATEX and DSEAR-compatible systems

For hazardous zones and flammable atmospheres

Chemical- and corrosion-resistant materials

Suitable for hydrogen, bio-processes and CO₂ streams

EMP/EMC options

For protecting sensitive monitoring and automation equipment

50+ year service life

Independently age-tested and maintenance-free

Re-enterable sealing

Ideal for fast-evolving process facilities and modular low-carbon plants

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Applications across Hydrogen, CC and Biofuel infrastructure

Some of the elements of your clean energy facility that CSD Sealing Systems can protect with our world leading solutions:

  • Cable and pipe penetrations in hydrogen production (PEM/alkaline electrolysers) and compression areas
  • Fire-rated sealing in utility buildings, substations, MCC rooms and control centres
  • CO₂ pipeline and capture facility penetrations requiring robust gastight protection
  • Biogas and anaerobic digestion plant infrastructure exposed to moisture, chemicals and methane
  • External-wall penetrations in energy hubs, processing plants and transport terminals
  • Underground duct sealing for power, comms and instrumentation networks
  • Retrofit sealing during plant upgrades, commissioning phases or safety improvement programmes
Aerial shot of petrochemical plant

Key Sealing Solutions

Explore the products designed to help protect the cable and pipe entries, entry points and cable ducts in your clean energy facility.

Let’s protect your future energy infrastructure together

Speak to our team about high-integrity, compliant sealing systems for hydrogen, CCUS and biofuel facilities.

Consent
Field containing agricultural storage silos
“CSD’s team are very focused in their approach to provide a high-quality product and service. We are looking forward to working with them in the future.”

Senior Electrical Design Engineer

Thames Water