Je was op zoek naar: krogelni (Sloveens - Engels)

bv, krogelni ventil (izbirno)
bv, ball valve (optional)

po možnosti se uporabijo cevni spoji varjene konstrukcije ali z okroglim konusnim prerezom ali krogelni zgibi.
pipe joints of welded construction or of circular cone type or spherical type union joint are applied as much as possible.

veliki krog na krogelni površini ima najmanjšo ukrivljenost in je zato lok (ortodroma) najkrajša pot med dvema točkama na površini.
the great circles are the geodesics of the sphere.

utež v obliki glave, izdelana kot krogelni ali polkrogelni model glave iz lepljenega trdega lesa in obložena z zamenljivo klobučevinasto oblogo ter z lesenim prečnim nosilcem ali brez njega.
headform weight with a spherical or semi-spherical headform made of laminated hardwood covered with replaceable felt and with or without a cross-beam made of wood.

krogelni in drsniški ventili s keramičnimi kroglicami ali drsniki, z nazivnim premerom 10 mm ali več, in posebej zanje zasnovane komponente;
ball valves and plug valves with ceramic balls or plugs, having a nominal diameter of 10 mm or more, and specially designed components therefor;