Thorburn's Mighty Spool Rubber Expansion Joints meets or exceeds
the design requirements listed in the FSA type A.1, A2 & A3 spool arch type expansion joints.
Mighty Spool open arch expansion joints may be modified to reduce possible turbulence and prevent
solids from collecting in the arch way by adding soft filler rubber in the arch providing a
smooth inner bore. Filled arches reduce movement capability by 50% and increase the spring
rate by 4X the normal spring rate.
Typical applications for Mighty Spool rubber expansion joints are
Process piping systems
Slurry Lines
Heating & cooling systems
Pump inlet & discharge lines
White water piping
Suction box
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Thorburn’s 42HPW is a wide arch design 42HP
Series Rubber Expansion Joint. This high quality expansion
joint has been completely re-engineered to do everything the
traditional 42HP series can while providing improved strength
and flexibility.
Thorburn’s 42HPXX is a heavy duty extra high
pressure rubber expansion joint. The design incorporates high
tensile calendared fabrics and special design metallic reinforcement
embedded in the carcass. It is specifically designed for applications
that require extra high pressures up to 300 psi (20 bar) and
is available in a variety of elastomers to suit various medias
and extreme ozone charged environments.
Thorburn’s 55HPWX is a modified arch profile
with a special filler compound to reduce the spring rate to
2X the 42HPW open Arch Rubber Expansion Joint.
Thorburn’s 62HPV is specifically
designed to address the requirements of lightweight, low movement
forces found in plastic and FRP piping systems. Most spool
type or spherical expansion joints are too rigid and have
too much resistance. The unique characteristics of Thorburn’s
62HPV Rubber expansion joint provides a technically superior
product that has incredible low force flexing.
• Compact & easy to install
• Absorbs movement in all directions
• Reduces mechanical noises
• Compensates for misalignment
• Relieves strain on the piping system
• Does not require gaskets
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