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Molded Diaphragm Seals
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Reinforced, Molded Diaphragms – Flexible, circular seals, molded under high temperature and pressure, with concentric 3D contours. The contours flex to permit axial motion of the central area with respect to the outer circumference. Reinforced diaphragms are produced from tough, flexible elastomer (which serves as a fluid barrier), bonded to one or both sides of a high-tensile-strength fabric that supplies the mechanical reinforcement needed to withstand high pressures. |
Fabric-reinforced molded diaphragms are widely used instead of interference seals and flat diaphragms wherever a relatively long piston stroke is needed, and where dynamic and break-away friction would adversely affect the speed, accuracy or repeatability of an operation, and /or where blow-by leakage cannot be tolerated.
Typical applications include high-accuracy positioning, fluid metering and a broad range of control functions in which reliability and long service life with minimum maintenance are critical.
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