Design flexibility allows for a wide range of variations. Some of the many possible modifications are illustrated by the figures shown.
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Single seal with carbon labyrinth ring assembly. Carbon grade material to suit specific temperature applications not exceeding 600°F. This seal utilizes a removal washer to facilitate repair of internal components.
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Single seal with silicon carbide labyrinth ring for temperature applications of 1600°F maximum where carbon grades are subject to oxidation.
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Spring loaded double back to back seal of separable design. Double labyrinth ring assembly is used versus a single ring of equivalent length to minimize leakage. Leakage is less for the double ring because the interruptions cause additional losses due to entry and discharge.
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Symmetrically designed single seal for reverse pressure conditions.
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Double tandem seal arrangement for sealing a combination of liquids and gases. Housing designed for either gas injection or drainage. Full circular roll-over versus tab crimping minimizes axial movement of mating cap due to pressure.
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Multiple labyrinth ring assembly incorporating a flanged housing for mounting directly onto the equipment case. Design utilizes gas injection on the high pressure and low pressure side. Housing is made of a non-magnetic stainless steel material to enhance vibration detection when a probe is used thru the center hole.
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Multiple labyrinth ring assembly of separable design to facilitate replacement and/or rework of internal components.
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Double tandem steel arrangement for sealing a combination of liquids and gases. Housing design is a metal stamping with flexible retaining tabs at the outside diameter.
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