3 1/2 NPT Plugs, Stoppers, and Inserts

Multi-Flex Inflatable Pipe Plug For Pipes, For 3.5" to 8" Dia. Pipes, 1 each SpillBlockers, Berms, Dikes & Barriers PLR111 -- PLR111
from New Pig Corporation

Inflatable pipe plug expands to temporarily block pipes during repairs or in the event of a spill. Small, flexible design can be snaked through hot tap or branch pipes into larger pipelines that are otherwise inaccessible Pipe plug inflates up to eight times its size to prevent the flow of liquids... [See More]

  • NPT Thread: 3 1/2" NPT; 4" NPT; 5" NPT; 6" NPT; 3.5" to 8"
  • Shape / Application: Round; Drum Bung Plug