• Ductile iron lugs and low alloy steel bolts secure the clamp to the pipe
  • SBR Chek-O-Seal gasket with multi o-ring sealing ribs made from 100% new rubber ensures performance under varying pressures
  • Single panel stainless steel repair clamp provides corrosion protection
  • Suitable for mild acids, water and salt media with a temperature range of -25°F to 200°F per ASTM D2000
  • Superior storage characteristics allow you to keep these in inventory and assure that they are ready to use when you need them

Powerseal Pipeline Products 3121 12 in. 1-Bolt Repair Clamp 4.45 - 4.73 in. OD


Fits Pipe Size:


ASTM Specifications
ASTM A-240, ASTM A-325, ASTM A-536, ASTM A-563, ASTM D-2000
AWWA Specifications
AWWA C-111, AWWA C-230
Fits Pipe Size
4 in
12 in
Ductile Iron, Low Alloy Steel, Rubber, Stainless Steel
Material Type
304, SBR
Range in
4.45 in - 4.73 in, 4.45 in - 4.73 in
Temperature Range
-25 to 200 Deg F

Starting at
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