HENSOTHERM® Service Transit

Ready-to-use fire penetration seal for cables and combustible pipes

Inside buildings, especially in modern residential and office buildings, a large number of electrical cables run. The HENSOTHERM® Service Transit is an easy to install pre-assembled fire penetration seal solution consisting of a high-density crack-resistant plastic tube containing graphite based intumescent lining of HENSOTHERM® 7 KS Gewebe which expands upon heating to seal spaces or voids around cables and pipes led through it. In addition, a ceramic wool plug placed in the centre of the service transit will prevent the passage of cold smoke and gases.

Penetrating services can be retrofitted without having to install a new penetration seal. After replacing or changing services passing through the HENSOTHERM® Service Transit, the ceramic wool plug must always be adapted to the diameter of the services and re-fitted.

Quick installation without annular gap closure and no additional coating on the cables! The HENSOTHERM® Service Transit can be pushed into concrete, masonry or drywall with a precise fit. Alternatively, the annular gap can be filled with HENSOMASTIK® Acrylic.

HENSOTHERM® Service Transit

HENSOTHERM® Service Transit product family

HENSOTHERM® Service Transit

HENSOTHERM® Service Transit, friction fitted

HENSOTHERM® Service Transit

HENSOTHERM® Service Transit with cable bundle, installed with annular gap

HENSOTHERM® Service Transit

HENSOTHERM® Service Transit with cable conduit, floor installation

The HENSOTHERM® Service Transit is available in diameters of 63 mm, 90 mm and 110 mm to fit common drill bits and can inserted into the construction element with an exact fit, i.e. friction fitted without an additional annular gap seal.

Since individual cables are simply fed through the windings of the ceramic wool plug and no additional fire protection coating of the cables is required, smaller openings for electrical cables can be sealed off quickly and cost-effectively. HENSOTHERM® Service Transit is also suitable as a quick-to-install temporary or permanent fire protection seal for core drillings in early construction phases.


Product features

  • Fire resistance class up to EI 180 tested according to EN 1366-3, ETA 22/0542
  • Flexible and rigid walls ≥ 10 cm, rigid floors ≥ 15 cm
  • Single cables ≤ 21 mm
  • Cable bundles ≤ 90 mm (maximum possible occupancy with DN 110 mm)
  • EIR/PVC pipes ≤ 32 mm with/without cable, also in bundles
  • Friction-fitted installation or annular gap seal with HENSOMASTIK® Acrylic
  • For use indoors and in protected outdoor areas (type X, includes all other types)
  • Smoke-tight and sound-absorbing due to ceramic wool plugs
  • Permissible occupancy 100 % of inner diameter


Advantages

  • No application of additional fire protection coating for the cables required
  • Fast retrofitting of conduits and complete fire penetration seal
  • Simple and economical solution
  • Maintenance-free


Environment

  • Non-hazardous material according to GefStoffV, free of asbestos, lead, mercury and chromium
  • VOC according to LEED < 0.005 mg/m³
  • Solvent-, silicone-, halogen- and plasticiser-free
  • Low emissions – environmental and user friendly
  • Green Product


Delivery forms

  • Three diameters: 63 mm, 90 mm and 110 mm
  • Two lengths: 250 mm and 400 mm
ProductEAN / Order numberBundles
HENSOTHERM® ST 250-63
Lenght 250 mm, DN 63 mm
425015354550728 pieces
HENSOTHERM®ST 250-90
Lenght 250 mm, DN 90 mm
425015354551412 pieces
HENSOTHERM® ST 250-110
Lenght 250 mm, DN 110 mm
42501535455219 pieces
HENSOTHERM® ST 400-63
Lenght 400 mm, DN 63 mm
425015354553836 pieces
HENSOTHERM® ST 400-90
Lenght 400 mm, DN 90 mm
425015354554516 pieces
HENSOTHERM® ST 400-110
Lenght 400 mm, DN 110 mm
425015354555212 pieces
HENSOMASTIK® Acrylic4250153545903Cartridge 310 ml
20 Cartridges = 1 box

Application video: HENSOTHERM® Service Transit – Ready-to-use fire penetration seal for cables

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