BG Industry makes the heat‑shrink joints for the field joints of pre‑insulated district heating pipes. The material is casing‑grade HDPE PE 100 polyethylene, sealed with butyl mastic. The butyl‑sealed heat‑shrink joint is type‑tested to EN‑489:2009 by the FFI (Fernwärme‑Forschungsinstitut). Diameters DN 90 – DN 450.
BG Industry, products
Heat‑shrink joint for the straight field joint between two pre‑insulated pipes. Casing‑grade HDPE PE 100, sealed with butyl mastic; higher‑spec versions add shrink film and foam fill. A non‑welded, leak‑testable joint.
- Material
- HDPE PE 100
- Joint type
- Heat‑shrink, butyl‑sealed (non‑welded)
- Standard
- EN‑489:2009, FFI type‑tested
Heat‑shrink joint for joining two casing pipes of different diameter. Available as a straight reduction and as a welding reduction (matched to a butt‑welded carrier‑pipe size change). Diameter pairs DN 90/110 … DN 400/450.
End sleeve for pipeline terminations and pipe ends. Also available as a screw‑cap end fitting, for example for venting or closure. Branches are made with separate tee joints.
Where this is used
- Pre-insulated pipe joints in district heating networks
- District cooling networks
- Pipeline branches and terminations
A pre‑insulated pipe is only as good as its joint.
BG Industry, common questions
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