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AMA® Collar tightener

AMA® Centering collar tightener

Collar tightener and collar selection table

AMA® Minitightener

(Product code 3030)

  • Stainless steel
  • Fitted with thrust bearings
  • For  collar sizes DN65-DN150
  • weight 0,9 kg

AMA® Basic tightener

(Product code 3010)

  • Stainless steel
  • Fitted with thrust bearings
  • For collar sizes DN150-DN/NS500
  • Weight 2,3 kg

AMA® Large tightener

(Product code 3020)

  • Stainless steel
  • Fitted with thrust bearings
  • From collar size DN/NS 600 or larger because it has a 50 mm longer span and provides more torsional force. It is also better suited for thicker-walled pipes
  • Weight 2,4 kg

Note! DN/NS 600 and larger centering collars have two parts, so they require two collar tighteners for tightening.

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