
For subsequent insulation of pre-insulated
district heating pipes
COVALENCE®
Heat shrink products for district heating
Type selection

Covalence® TPSM-PE
Fields of application
For sealing of pipe joints in pre-insulated pipe systems in the ground, in the area of new installation
Material
HDPE backing; high strength, visco-elastic sealant
Properties
Low preheating temperature; dimpled structure in the backing material as an installation aid; continuous operating temperature up to 50 °C
Sizes
Heat-shrinkable sleeves for pipe diameters 90 to 560 mm

Covalence® RJS-E
Fields of application
For sealing of all-kind joint casings of pre-insulated pipe systems in the ground, in the area of new installation and for already installed pipe systems
Material
HDPE backing; thermoplastic copolymer adhesive; visco-elastic sealant
Properties
Shrink rate approx. 25%; visco-elastic sealant of perfect long-term stability; separate sealing tape; dimpled structure in the backing material as an installation aid; also available as roll material
Sizes
Prefabricated shrink sleeve for pipe OD 90 - 560 mm;
roll material for customized cut for pipe OD >560 mm

Covalence® DHEC
Fields of application
For sealing the pipe ends of pre-insulated pipes or fittings
Material
Two-layer molded part made of PE-HD backing material and high viscosity sealant strips
Properties
Several pipe sizes can be sealed per molded part; high tightness against water ingress; continuous operating temperature up to max. 120 °C (short term up to max. 140 °C)
Sizes
Tubular mold system; diameter of carrier pipe from 14 to 160 mm;
diameter of casing pipe from 63 to 250 mm


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Certificates
To offer our customers the best possible quality and service, we are organized according to DIN EN ISO 9001:2015 and have this continuously checked and certified.
CERTIFICATE ISO 9001:2015
This certification documents our conformity of the quality management system
AEO CERTIFICATE
Authorized Economic Operator "AEOC (customs simplification)"
District heating
FFI TEST REPORT EN 489
• Covalence®: RJS-E; FOPS
VEOLIA TEST REPORT EN 489
• Covalence®: RJS-E; TPSM-PE