CPC Subgroup
F16K 41/18 sealing only when the closure member is in the opened position
Full Title
Spindle sealings > with a flange on the spindle which rests on a sealing ring > sealing only when the closure member is in the opened position
F16K 41/18 Spindle sealings > with a flange on the spindle which rests on a sealing ring > sealing only when the closure member is in the opened position