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NSD20-D

Duofit encapsulation collar D20-D

double bolt straight version
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Single image of the Hawle product Duofit encapsulation collar D20-D NSD20-D

Straight version Duofit D20 for repairs on damaged pipes (cracks, faulty weldings, corrosion, etc.) with no service cut off on pipes of any diameter. Multi range split collars to repair damaged under pressure pipes of any material and diameter.

It can be also used for hot tapping techniques on pipes of any material and diameter with running fluids.

  • DN300-DN2000
  • Body and compression followers: carbon steel
  • Anti-corrosion coating: RILSAN NYLON 11©
  • Bolts, nuts, washers: steel with anti-corrosion coating (alternatively: stainless steel A2/A4)
  • Sealing gaskets EPDM or NBR


  • Smaller excavations
  • No supply interruption
  • No mains emptying
  • No pipe cutting
  • Economy low costs for installations
  • Definitive repair
  • Wide range
  • Suitable for pipes of any material
  • Choice of body length
  • Resistant to corrosion

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