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Originally developed for propeller blades in Aerospace, Greene, Tweed's CSA Seals (coil spring actuated seals) are finding a new home in Oilfield applications. The CSA gives the benefits of a true elastomer accommodating large changes in squeeze caused by ovalization, high-diametrical clearances or large eccentricities caused by wide tolerances.
Because the CSA seal gives a virtual constant force, it provides optimum seal performance at both low and high temperatures.
Tested at pressures of 15,000 psi, the CSA seal is ideal for use on couplings applications, such as riser joints, or where hardware sees excessive side forces.
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