CaseCore Link Seal

Protect your infrastructure with the CaseCore Link Seal range—high-performance modular mechanical seals engineered to create reliable watertight, gas-tight and radon-tight seals between carrier pipes and casing pipes. Designed for civil, water, wastewater, industrial and utility applications, CaseCore Link Seals deliver long-term sealing performance while accommodating pipe movement and installation tolerances.

Manufactured from premium EPDM rubber and reinforced polyamide pressure plates, the CaseCore Link Seal range provides a durable and cost-effective solution for sealing wall penetrations, casing pipes and concrete structures. Suitable for both new construction and retrofit installations, these modular seals are available in multiple rubber compounds and fastening options to suit a wide range of pipe materials and operating environments.

Whether you’re installing steel, ductile iron, HDPE, PVC or other plastic pipe systems, CaseCore Link Seal provides dependable protection against water ingress, gas migration and environmental contamination.

Why Choose CaseCore Link Seal?

The CaseCore Link Seal range is engineered to simplify installation while delivering reliable sealing performance for critical infrastructure projects.

Key Benefits

  • Creates a watertight, gas-tight and radon-tight seal
  • Suitable for both new installations and retrofit applications
  • Modular design fits a wide range of carrier and casing pipe sizes
  • Available with galvanised or 316 stainless steel fasteners
  • Multiple EPDM rubber compounds for metallic and plastic pipe systems
  • Provides electrical isolation between the carrier pipe and casing
  • Helps reduce vibration and structure-borne noise
  • Fast and straightforward installation
  • Long-term durability with minimal maintenance
  • Standard sizes available for fast delivery

PRODUCT RANGE

CASECORE LINK SEAL – BLACK

The CaseCore Link Seal – Black range is manufactured from black EPDM rubber (50 ± 5 Shore A), making it the preferred solution for steel, cast iron and cable applications. Available with galvanised steel or 316 stainless steel fasteners, it provides a reliable watertight, gas-tight and radon-tight seal for civil, water, wastewater and industrial infrastructure projects.

Available Models

  • CaseCore Link Seal Type C – Black EPDM with galvanised steel fasteners.
  • CaseCore Link Seal Type S316SS – Black EPDM with 316 stainless steel fasteners for corrosive and coastal environments.


Recommended for:

 

  • Steel pipelines
  • Ductile iron pipelines
  • Cast iron pipelines
  • Cable penetrations
  • Industrial applications
  • General civil infrastructure
 
Colour

Black

Rubber CompoundEPDM
Rubber HardnessEPDM, 40 ± 5 Shore A
Bolt MaterialType C – Galvanised Type S316 SS – A4-70 Stainless Steel (316) 
Pressure PlatesGlass Fibre Reinforced Polyamide 6-30
Operating Temperature-40°C to +80°C
Recommended Pipe MaterialSteel, Cast Iron & Cable
Pressure RatingUp to 5.0 bar
Seal PerformanceWatertight, Gas-tight & Radon-tight
Fire ClassificationClass E (EN 13501-1)

CASECORE LINK SEAL – BLUE

The CaseCore Link Seal – Blue range features a soft blue EPDM rubber compound (40 ± 5 Shore A) specifically engineered for plastic pipe systems, including HDPE, PVC and PP. The softer elastomer minimises stress on plastic pipes while maintaining a secure mechanical seal.

Available Models

  • CaseCore Link Seal Type BC – Blue EPDM with galvanised steel fasteners.
  • CaseCore Link Seal Type BS316SS – Blue EPDM with 316 stainless steel fasteners for corrosive and marine environments.


Recommended for:

  • HDPE pipelines
  • PVC pipelines
  • PP pipelines
  • Plastic pipe wall penetrations
  • Water and wastewater infrastructure
  • Utility services

 

 

Colour

Blue

Rubber CompoundSoft EPDM
Rubber HardnessEPDM, 40 ± 5 Shore A
Bolt MaterialType BC – Galvanised
Type BS316 SS – A4-70 Stainless Steel (316) 
Pressure PlatesGlass Fibre Reinforced Polyamide 6-30
Operating Temperature-40°C to +80°C
Recommended Pipe MaterialPlastic Pipes
Pressure RatingUp to 3.0 bar
Seal PerformanceWatertight, Gas-tight & Radon-tight
Fire ClassificationClass E (EN 13501-1)

Data Sheets and Installation