Mechanical seal featuring welded metal bellows which allows having both secondary seals of the static type.
The flexibility of the bellows gives the capability to tolerate misalignments and vibrations.
Secondary seals in Grafoil make TSHA seal particularly suitable for high-temperature service (i.e. diathermic oil and hydrocarbons in refinery process).

TSHA is a single balanced seal, stationary seat type A, bidirectional. In addition to the standard type, the following series are available:

• Shaft dimension in inches
• Stationary seal
• Double-ply for high-pressure Customized cartridge version, complete to sleeve and flange, designed according to API 682 standard, are available.

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