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Union Type Bellows

Union-type or twin-sphere bellows from Truco connect misaligned pipelines. Designed with a unique twin-sphere construction, this bellow facilitates greater flexibility in pipelines than regular, single-sphere bellows.

Compression moulded and joined by union heads and screw-in threads, Truco's union-type bellows absorb the elongation and contraction of steel pipes caused by variations in temperature and prevents the piping system from cracking.

Additionally, our union-type bellows reduce vibration and noise for all types of steel pipes.

Features and benefits:

  • Ideal for misaligned steel pipelines
  • Can be used for repairs in existing pipelines
  • Standard sizes available ex-stock
  • Custom sizes available on request
  • Easy installation on all steel pipes
  • Eliminate vibration & noise from pipework
  • Delivery within 1 - 2 days from order

Truco warranties its entire range of rubber bellows against inferior quality of material and bad workmanship.


Extend the lifespan of your pipeline with our rubber bellows today!

Send us your requirements using the STAMPED acronym:

S Size: The length and inside diameter?

T Temperature: Temperature of the medium transported?

A Application: What is the purpose of the hose?

M Material: What product will be conveyed through the hose?

P Pressure: The working pressure and the required safety margin?

E Ends: Are couplings required, and if so a detailed specification?

D Delivery: When is it needed?

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