FIBERBOND® 20FR20, 20FR20-C

The FIBERBOND® 20FR20 Fiberglass Piping Series is an ABS and USCG approved fiberglass reinforced pipe product manufactured by filament winding utilizing a premium grade fire retardant epoxy vinyl ester resin and a 20-mil (0.50mm) liner, suitable for design pressures up to 290 psig (20.0 bar) and temperatures up to 185F (85c).  The 20FR20 standard product is available in 2" to 12" (51mm - 305mm) nominal inside diameters, with 261psig (18.0 bar) products up to 18" (457mm) diameter.  Series 20FR20-C, with an electrically conductive exterior, is also available.

Mechanical specifications (moduli, strengths, ASTM codes)

Product Summary – Series 20FR20
Product Summary – Series 20FR20-C

General information (O.D.s, thicknesses, pipe weights, areas)

Support spacing (provides recommended support spacing based on an allowable deflection of 0.5in (13mm) and various allowable stresses from 500 to 1,500psi (3.4 - 10.3MPa))

Vacuum rating (provides vacuum ratings based on ISO14692 & BS7159; also provides equations based on the use of "stiffeners")

General specifications (3-page specification)

Fittings Guide

Gasket Recommendations

Special Fittings and Examples
Click here to view a PDF file with special fittings and examples.

VPDMS, PDS, and AutoCAD Catalogs
Catalogs in VPDMS and PDS as well as drawings in AutoCAD are available from Specialty Plastics. This information is not available on this website, but can be obtained by contacting Specialty Plastics via email to or . Be sure to mention which product (20FR-E, 20HV, 20JF, etc.) when requesting this information.

Basic Pipe Supports

Engineering Guide
Our general engineering guide applies to all FIBERBOND® Fiberglass piping products. The guide contains design information on how to deal with expansion, supports, hydraulics, and other engineering issues.

General Installation Specification
Our general installation specification discussing basic inspection, handling & storage, certification, QA, testing, and health & safety.

Recommended Flange Torques
150# / 125# Drilling
Sizes 2" to 24"
Sizes 30" to 54"
Sizes 60" and up

Flange Bolting Details
FRP to FRP Flanges
FRP to Steel Flanges
Full-Face Valves
Wafer Valves

General Bonding Procedures
Our welding booklet has general information on bonding procedures for FIBERBOND® materials using the composite butt weld bonding method.

BPS (Bonding Procedure Specification)
A more detailed BPS (Bonding Procedure Specification) is available from Specialty Plastics. This information is not available on this website, but can be obtained by contacting Specialty Plastics via email to or . Be sure to mention which product (20FR-E, 20JF, 20HV, etc.) when requesting this information.