Rubber Expansion Joints for Pipes
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Rubber Expansion Joints for Pipes
Expansion joints for piping systems are flexible connectors, made out of PTFE, natural or synthetic elastomers, with combinations of rubber, fabric and metal reinforcement. Expansion joints installed into piping systems will help solve problems such as: Stresses - expansion joints absorb movement due to thermal expansion and contraction of pipes, wear, load stresses and settling of supports and foundations Misalignment - custom expansion joints can be manufactured with offsets to account for installation errors in pipe alignment, or for movement and settling over time Abrasion - with proprietary elastomers such as ABRA-LINE, abrasion can be significantly reduced compared to other rubber or metallic connectors Vibration - rubber expansion joints significantly reduce vibration when installed in proper locations and are not subject to metal fatigue failure Noise - transmission of sound is reduced as the expansion joint acts as a dampener and absorbs the noise levels Shock - effects of pressure surges, water hammer, or pump cavitation are resisted Corrosion - no metal to metal contact eliminating electrolysis between dissimilar metals Space - greatly reduced space required compared to expansion bends or lo
Style 204 Narrow Arch Expansion Joint
The Style 204 family of spool-type expansion joints are manufactured with the industry standard narrow arch design. This style is intended to be used in dynamic conditions where both pressure and vacuum concerns are present. Also available for high-pressure applications, Style 204 MAX has the highest pressure rating available inthe industry today. Garlock style 204 MAX is the highest pressure rated rubber expansion joint available in the industry today. Manufactured in North America, the 204 MAX is not only a solution for applications with extreme pressure requirements, but it is also tailored for high pressure Marine and offshore applications. The design of 204 MAX has earned the ABS type approval, making it the ideal solution for single point mooring stations requiring a 4:1 safety factor. The 204 MAX has also been extremely successful in many other applications, and has been specified in high pressure applications that pump water to copper mines. The 204 MAX can be configured to meet specific customer needs and is compatible with virtually any media. The ABS type approval provides cost savings to end users by eliminating destructive testing during the requisition process.
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EZ-FLO® Style 206
Style 206 EZ-FLO® expansion joints contain a single wide flowing arch, eliminating the need for filled arches on slurry services. Suitable for high pressure applications, their self-flushing design eliminates media buildup and reduces fluid turbulence. Style 206 EZ-FLO® can be designed to meet the requirements of ASTM F1123 and Navy/Coast Guard Specification 46CFR56.60-25(E).
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SURE-LINK™
SURE-LINK™ PTFE Expansion Joints are available in multiple configurations commonly referred to as: Couplings: Two convolution connectors designed for minimum movements. Pressure: to 178 psig (12 bar) Full Vacuum: to +350°F (+180°C) Expansion Joints: Three convolution connectors designed for easy movement and ease of system installation. Pressure to 132 psig (9 bar) Full Vacuum to +180°F Bellows: Four or five convolution connectors designed for maximum movements and vibration eliminations. Pressure to 87 psig (6 bar) Vacuum to 17.7 In. Hg (0.6 bar) at 32°F (0°C) to No Vacuum at 212°F (100°C) Pressure and Vacuum Rating Garlock PTFE expansion joints and couplings have pressure ratings high enough to handle most applications. As the pipe size gets larger, Garlock increases the bellows thickness and the strength of the reinforcing rings to compensate for the change in internal forces. This permits the same high pressure.
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GARFLEX® Style 8100
GARFLEX® expansion joints feature rugged yet flexible nylon tire cord reinforcement in a molded, spherical bellows design that ensures exceptional burst pressure ratings. The streamlined flowing arch design reduces turbulence and allows smooth, quiet flow without the restricted movement you'll find with a filled arch design.
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Style 7250 FLEXO-MATIC®
Garlock 7250 FLEXO-MATIC® rubber connectors are composed of three basic elements: the tube, the body (carcass), and the cover. Designed to absorb noise and vibration in air-conditioning, heating, and industrial piping systems, Style 7250 FLEXO-MATIC® expansion joints accommodate a wide range of temperatures, pressures, and piping sizes.
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Style 7706 S-Type
Style 7706 S-type has been developed specifically for submarine service. Other styles are available per application. Consult the factory for specific designs.
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