Mechanical seal featuring welded metal bellows which allows to have both secondary seals of static type. The flexibility of the bellows gives the capability to tollerate misalignaments 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, bi-directional.
In addition to the standard type, the following series are available:
– Shaft dimensions in inches
– Stationary seal
– Double wall for high pressure
Customized cartridge versions, complete of sleeve and flange, designed according API 682 standard, are available.