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OPW Barbed Fittings and Adaptors for FlexWorks Primary Pipe


OPW Retail Fueling’s Barbed Fittings are a single wall design and are used to connect Flex or Vent piping. This piping connection system does not require the use of pipe couplings or the OPW Retail Fueling coupling machine. These fittings should be contained within containment sumps or protected in direct bury application.

Barbed Male Adaptors

An adaptor is designed to connect one end of a flexible pipe section to a female NPT threaded coupling or fitting. There is a barbed insert with clamp assembly on one end and male NPT threads on the other. When used with double-wall FlexWorks piping, it is recommended that a reducer test boot be installed. These adaptors are required to be secondarily contained.

  • For use with FlexWorks piping
  • No coupling machine required
  • All stainless steel clamps
  • Barbs are offset
  • Interlock design
Weight 2 lbs
Dimensions 6 × 5 × 5 in

NPT 1.5" to 1.5" Flex Pipe Barbed Male Adaptor, 2" Barbed Male Adaptor, 3" Barbed Male Adaptor, 4"" Barbed Male Adaptor