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Valve packing is used to maintain a seal around the stem of a valve. The packing is installed in the packing chamber between the valve stem and the walls of the packing chamber. Pressure is maintained on the packing by a packing gland. Glands are held in place by bolts/studs that may or not be live loaded (the use of belleville washers to maintain a force in the bolt/force on the gland).
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Accumulator, Annulus, Babbitt, Backflow preventer, Backseat, Bellows, Berm, Bonnet, Bore, Bourdon tube, Braze, Check valve, Clam shell, Clevis, Cotter pin, Coupling, Cremone, Damper, Densitometer, Diaphragm, Differential flow, Door closer, Dowel, Fire wrap, Flange, Fuel injector, Full out position, Fuller's earth, Galling, Gasket, Gauge, Globe valve, Grommet, Grout, Header, Heat number, Heat trace, Hoop stress, Lagging, Lash adjuster, Louver, Lube oil, Magnatorque, Manifold, Muffin fan, Overtravel, Penetration, Puff test, Reboiler, Safe end... further results |