FlexWorks Flexible Piping

50 Years of Unmatched Chemical Resistance Performance Packed into One Unique Pipe - KYNAR® PVDF + OPW = 20 Years of Excellence in Underground Pipe Performance.
Why a new pipe?

OPW has developed a pipe in response to the voice of the customer. You asked and we delivered! The new pipe is more flexible, lighter and has reduced memory.

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Features & Benefits

What Makes This Pipe Different?

Lower installation costs

  • Increased Pipe Flexibility – the force required to bend the pipe has been reduced to facilitate piping layout. This makes installation quicker and easier, especially in cold weather. 
  • Pipe Weight – has been reduced to facilitate shipping and handling 
  • Pipe Memory – Inherent pipe memory has been reduced significantly to facilitate connection of pipes inside sumps 
  • Redesigned Profile – enhanced leak detection performance 
  • Enhanced Kynar Pipe Liner – fluoropolymer chemical structure makes it dense and permeation resistant

UL Listings

FlexWorks double wall piping is listed with Underwriter's Laboratories under file #MH16678 and labeled as follows: Motor Vehicle Fuels, High Blend Fuels, Concentrated Fuels and Aviation and Marine.

UL Listed Warranted Fuels

Below are the listed fuels that have been tested under UL971 and are warranted for use with the FlexWorks Flexible Piping System.

Motor Vehicle Fuels

100% ASTM Reference Fuel No. 2 100% ASTM Reference Fuel C 85% Reference Fuel C - 15% MTBE 70% Reference Fuel C - 30% Ethanol 85% Reference Fuel C - 15% Methanol

High Blend Fuels

50% Reference Fuel C - 50% Methanol 50% Reference Fuel C - 50% Ethanol

Concentrated Fuels

100% Methanol 100% Ethanol 100% Toluene

Aviation and Marine Fuels

100% Premium Leaded Gas 100% Kerosene

* 3rd Party Approved for DEF