Powerseal Pipeline Products Model 3121AS 3 in. Stainless Steel and Rubber Complete Circle Pipe Repair Clamp 2.97 - 3.25 in.


  • Gasket design makes sealing on pitted or corroded pipe possible and lessens bolt torque required to attain leak stoppage
  • Heavy hex nut with fusion bonded coating to prevent seizing and galling
  • Lifter bar acts as bearing surface for nuts, special design lip holds position while tightening
  • Plastic washers reduce friction between lifter bars and nuts
  • Stud bolts MIG welded to lug plate creating a captive design, eliminating loose pieces in the field
  • Use to repair circumferential breaks, longitudinal ruptures caused by ground movement, small holes and cracks


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ASTM Specifications ASTM A-193, ASTM A-194, ASTM A-240, ASTM D-2000
AWWA Specifications AWWA C-230
Collection Model 3121AS
Fits Pipe Size 3 in
Length 8 in
Material Rubber, Stainless Steel
Material Type 18-8 SS, 304
Maximum Temperature 200
Minimum Temperature -25
NSF Certified Yes
Range in 2.97 in - 3.25 in
Type All Stainless Steel Repair Clamp
UL Listed No