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  3. Duofit encapsulation collar D20-D
NSD20-D

Duofit encapsulation collar D20-D

double bolt straight version
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Features

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

Hawle quality guarantee

Product variants (5)

Bookmark BIM data Item number Description Nominal diameter Pressure rating Weight
5017266 FITTINGS NOVA SIRIA - 0 KG
5031786 DN400 (390-420) 0 KG
5034356 DN1000 1030-1060 0 KG
5034357 DN1200 1235-1265 0 KG
5034227 DN600 (590-620) PN10 0 KG
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  • Products
    • Product overview
    • Gate valves
    • Combi valves
    • Butterfly valves
    • Service valves
    • Tapping saddles
    • Fittings
    • Pipe connections
    • Hydrants
    • Pipe repair clamps
    • Control valves
    • Accessories
    • Tools
    • Check valves
    • Air valves
    • Hawle.live
  • Services
    • Hawle.live
    • Download service
    • Training and development
  • Hawle Knowledge
    • Hawle Knowledge
    • Basics
    • How-to
    • Systems & Solutions
  • Contact
    • Locations and contacts
    • Contact form
    • Suppliers
  • Careers
    • Careers
    • Hawle Academy
    • The People behind Hawle
  • Hawle quality
    • Hawle quality
    • Product benefits
    • Production
    • Our Foundry - EGM Industrieguss
    • Corporate Social Responsibility
    • References
  • Company
    • Company
    • What we stand for
    • History
    • Hawle Austria Group
    • Media
  • News and events
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