Drainage & Ducting Systems

Flexible Couplings

BAND-SEAL is a range of versatile, flexible couplings used for jointing pipes of both similar and different materials and sizes. The couplings are especially suitable for drains, sewers and underground pipelines. The extensive range connects pipes from 35mm up to 2000mm nominal size (DN), to other pipes of the same or different sizes and material.

The Band-Seal range of couplings consists of moulded synthetic elastomeric sleeves and stainless steel clamping bands. Standard couplings also include a stainless steel shear band. A wide range of Bushes, Tools and End Caps complete the range.

Band-Seal Couplings are manufactured to exacting standards and are used and specified extensively by Water Companies and Local Authorities throughout the UK as well as being distributed worldwide.

British Standard (BS EN295)

When Band-Seal Couplings up to 600mm internal diameter are used to connect clay pipes which comply with BS EN295, they are certified under the BSI Kitemark Scheme. (BS EN295: Lic Km20173, BS65 1991: Lic Km20172)

WIS 4-41-01

Assessed under the British Standard Certification Scheme, Standard Couplings and Bushes from 100mm to 600mm internal diameter, comply with the requirements of Water Industry Specification WIS 4-41-01 "Specification for flexible couplings for gravity sewerage and drainage pipes". Licence Number 33388.

Standard Couplings (Ref. NSC...)

Used for the majority of applications to connect pipe sizes up to 2000mm outside diameter where resistance to shear loads is required. Applications include:
• Repair and maintenance of existing pipelines.
• Connections between pipes of different materials or sizes
  (Bushes may be required in these circumstances).
• Making connections by the insertion of new junctions into an existing pipeline.
• Reconnection of laterals on renovated sewers.

Bushes (Ref. NBC...)

Manufactured from synthetic elastomers and available in a variety of sizes and thicknesses to allow the standard range of couplings to connect pipes which may have a considerable difference in their outside diameters.

Adaptor Couplings (Ref. NAC...)

Provide an inexpensive method of directly jointing pipes of differing outside diameters, without the need to use bushes. The most common application is for connecting PVC-u pipes to a variety of other pipe materials including vitrified clay. These couplings are also suitable for connecting other types of pipes including cast iron and metal pipes (up to a maximum outside diameter of 420m).

Pipe Couplings (Ref. NPC...)

Used in new drain construction to connect pipes where resistance to shear loads is not required. They are particularly suitable for making connections between special substructure (e.g. cast iron) and external (e.g. vitrified clay) drain pipes.

End Caps (Ref. NEC...)

A reusable and flexible, easy to fit cap for permanent or temporary applications such as air testing waste or soil systems, capping or preventing dirt ingress.

Installation Tools (Ref. T...)

Special tools are offered to facilitate installations.