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Filament Wound Fiberglass Piping

Single Wall FRP Pipe

Conley's standard single wall pipe is manufactured to last through the roughest corrosive applications.

Double Containment FRP Pipe

Conley's Double containment piping provices protection against leaking of hazardous and corrosive fluids into the enviroment.

Marine FRP Pipe

The only FRP pipe approved by the United States coast guard, our marine pipe is ideal for offshore rigs.

Specialty FRP Pipe

From sturdy abrasion resistant piping for FGD services and slurries to critical bridge drainage piping systems

Double Containment

Global awareness of the environment has created the need for reclamation and the detoxification of ground water as well as waste streams from industry and municipal waste water treatment facilities. Conley answered the demand with our patented Dual Containment System.

Conley Composites Piping

All of our filament wound products are aromatic amine cured, and oven post-cured for superior chemical resistance and HDT (maximum temperature) performance. With more than half a century in the industry and piping systems all over the world we have the knowledge and experience needed to provide you with the best fiberglass reinforced piping system available.

Conley's rigorous quality assurance guarantees an FRP process system you can rely on for years to come. We pride ourselves on our commitment to consistently manufacturing the highest quality process systems components in the world, ensuring maximum safety and uptime for your system day in and day out.

We are serious about quality at Conley with our entire team dedicated to manufacturing quality products, and a large percentage devoted solely to the Quality Assurance Department.

Example above displays all three layers involved in the maufacturing of a spool of Conley pipe.

3 Layer Fiberglass Pipe & Fittings Manufacturing Process

Conley Composites filament wound fiberglass reinforced pipe, fittings, and accessories are engineered to the highest, most exacting standards in the industry. Painstakingly manufactured with a triple layered approach to fight corrosion:

1. Internal Corrosion Barrier

60 or 100 Mil thick, with a minimum double Nexus wrap reinforcement, oven post-cured for superior chemical resistance and HDT (maximum temperature performance).

2. High Tensile Filament Winding

Filament wound structural wall (cage) with continuous strands of saturated E-Glass delivered under controlled tension at 54 3/4 Degrees for optimum Hoop and Axial strength.

3. External Corrosion Barrier

Nexus reinforced external corrosion barrier with a 25 year guarantee against U.V. light degradation or "fiber-blooming."

Unlike many other FRP piping systems, there is no glass in the external corrosion barrier, reducing lung, eye, and skin irritation from airborne glass particulates commonly associated with preparation for joining.


Resin types

We offer four unique resin types for the internal and external protection of your piping system. Our resin types include epoxy, vinyl ester, novolac, and furan. Whichever resin you choose, Conley's skilled manufacturing team will ensure you get exactly the high quality pipe and accessories you need for your process system. Learn more about our resins and their frequent applications below.


Epoxy Fiberglass Pipe (GRE Pipe)

Conley Aromatic amine cured epoxy resin systems perform best in caustics, brines, solvents and many acids up to an operating temperature of 275°F (Conductive system available). E-plus, Conley's proprietary premium epoxy has outstanding chemical resistance 98% sulfuric acid and aggressive solvents such as acetone, chloroform and methylene chloride up to an operating temperature of 275°F.
Visit our chemical guide for more information.

Epoxy Pipe Applications

  • Waste water treatment
  • Steel pickling
  • Solvents
  • Petrochemicals
  • Pharmaceutical
  • Chemical Processing
  • Cooling Water
  • Jet Fuel
  • Gasoline - Diesel - Fuel Oil
  • Odor control
  • Industrial waste
  • Food & Beverage
  • Fly Ash
  • Saturated brines
  • Brine salts and brackish water
  • Bridge, root and floor drains

Vinyl Ester Fiberglass Pipe (GRVE Pipe)

Conley 441-400 vinyl ester performs best in acids, alkali, and brines with improved performance in solvents up to 245°F. Conley's 470 Novolac resin has excellent resistance to acidic and oxidizing agents such as aquenous chlorine and chlorine dioxide up to 290°F. Conductive systems available in both resins.
Visit our chemical guide for more information.

Vinyl Ester Pipe Applications

  • Acid and alkali resistant
  • Brine and brackish water
  • Solvents such as methanol, MEK, and monochlorobenzene
  • Abrasive brines slurries
  • Chemical processing
  • Cooling water
  • Odor control
  • Food and Beverages
  • Potable Water

Vinyl Ester Fiberglass Pipe Dimensional Data


Novolac Vinyl Ester Fiberglass Pipe

Conley's 470 Novolac resin has excellent resistance to acidic and oxidizing agents such as aqueous chlorine and chlorine dioxide up to 290°F. Conductive systems available.
Visit our chemical guide for more information.

Novolac Vinyl Ester Pipe Applications

  • Acid resistant
  • Oxidizing resistant
  • Aqueous chlorine
  • Chlorine dioxide
  • Chemical waste streams
  • Good solvent resistance
  • Pharmaceuticals
  • CPI
  • Pulp and paper
  • Agri-chem

Novolac Vinyl Ester Fiberglass Pipe Dimensional Data


Furan Fiberglass Pipe

Conley Furan resin is desinged for aggressive chlorinated solvents and performs well in acidic and alkali media as a well. Furan is available with a conductive system that is widely used in the pharmaceutical industry.
Visit our chemical guide for more information.

Furan Pipe Applications

  • Organic services
  • Aggressive chlorinated solvents
  • Acidic and alkali media
  • VOC ducting
  • CPI
  • Groundwater remediation with severe VOC contaminants
  • Pharmaceutical industry
  • Chemical sewers

Furan Fiberglass Pipe Dimensional Data


Piping Options

Pre-Fabricated Pipe

Pre-Fabrication of pipe spools is available upon request to minimize the use of field-fabricated connections. Conley can precision manufacture ready-to-go spools to the exact length you need, to speed up install time and lower installation and on-site costs.


Conductive and Abrasion Resistant Systems

Conley pioneered and holds patents on conductive adhesive and the methodologies for production and installation, ensuring the highest quality conductive systems available. Prevent static build up and the storage of electrical charges in your piping system with Conley's patented products.


Certificates / Type Approvals

American Bureau of Shipping

United States Coast Guard