
VERTICAL TURBINE PUMPS (VTPS) CENTRIFUGAL PUMPS ENGLISH 71569224 – 10-13
Page 20 of 76 flowserve.com
Extra high pressure stuffing box
3.3.7.4
In cases where the pressures are expected to cross 20 bar (300 psi) up to 65 bar (1000 psi), extra high-
pressure stuffing box is used.
3.3.8 Mechanical shaft seal
VTP’s can also be fitted with a mechanical seal. The requirement to fit the mechanical seal to be provided at
the time of contract.
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