Valve stem---Parts that transmit the opening and closing force to the opening and closing parts

Stonek matice---Díly to forma a kinematická pár s ventil dřík závit

Packing---Filling material placed in the stuffing box (box) to prevent leakage of media along the valve stem. Common packing materials for valves include flexible graphite, polytetrafluoroethylene, etc.

Náplň krabice { % 7b0% 7d a struktura naplněná zabalením na ventil kryt (nebo ventil tělo) k prevenci médium od netěsnost z ventil dřík.

Packing gland---Parts used to compress the packing. The packing gland can also be composed of a pressure plate and a gland. The packing gland can compress the packing in the form of gland bolts (gland bolts) or gland eyebolts (eyebolts) and nuts.