High temperature resistance gland packing is incorporated to withstand elevated temperature conditions and are suitable upto 850 Deg.F. Gate Valves with fine machined full bore and full opening of wedge eliminates pressure drop near to nil. Accurately machined wedge grooves allow easy movement of wedge through the body guides and hence cannot become detached from the stem while in service. Globe Valves are of solid disc type. Properly lapped and back seat facilitates replacement of gland packing under pressure.