Low-leakage valve apparatus

Details Low-leakage valve apparatus Low-leakage valve apparatus

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/44 (2006.01)

Patent

CA 2533131

A low-leakage valve apparatus which reduces fugitive emissions from valves to the ambient atmosphere. A secondary packing chamber or gland is installed on an existing valve to intercept leakage past the valve's original primary packing gland, which otherwise would escape past the valve stem to the atmosphere.

L'invention concerne un appareil de vanne à faible fuite lequel réduit les émissions fugitives de vannes dans l'atmosphère ambiante. Une chambre ou fouloir à garniture secondaire est installé sur une vanne existante afin de bloquer la fuite passant dans le fouloir à garniture primaire original de la vanne qui autrement s'échapperait de la tige de vanne jusque dans l'atmosphère.

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