www.futurepipe.com/usa

Page 10 of 51
3. JOINTS
Fiberstrong pipes and fittings are joined using a filament wound double bell
Reka coupling. The sealing of this FRP joint is achieved by the compression of
two Reka rubber gaskets (typically EPDM, other material available) when the
joint is assembled. The joint meets the rigorous requirements of ASTM D 4161.
Restrained versions are available. Available in all diameters up to 158”.
Alternative Jointing Systems
• Pipe sections may be laminated together utilizing an external (and internal)
lay-up “butt-wrap” consisting of layers of fiberglass mat and woven roving
impregnated with polyester resin. The minimum strength of the lay-up is equal
to the minimum pipe wall strength.
• Mechanical step couplings as manufactured by Straub TM , Teekay TM , Viking-
Johnson TM or approved equivalent may be used for joining to different pipe
materials such as cast iron or steel pipe. Refer to section 5.4 for pipe ODs.
Fiberstrong Pressure Pipe in sizes 16” through 64” are compatible with
standard AWWA ductile iron fittings.
• Flanges are filament wound or contact molded and are drilled to ANSI B16.1
or B16.5 flange dimensions. Flanges can be drilled to other standards (AWWA
C207, ISO, BS etc...).