Usetyenziso lwemveliso:
Iivalve zechungechunge ze-HDS zimele izakhiwo zeyunithi eziguquguqukayo ezinokuthi ziqwalaselwe ukuba zenze i-valve kwi-8 ubukhulu obuhlukeneyo, uchungechunge, ukuhambelana, uchungechunge / ukuhambelana, ukwabelana ngokugeleza, okanye ukulayisha iisekethe ezibuthathaka.Ukongeza, i-valve ibandakanya i-inlet kunye ne-intermediate flow control links ezinokuthi ziqhutywe ngesandla okanye ngombane ngokulinganayo.Isetyenziswa kakhulu koomatshini bamahlathi, ukunyuswa kwezithuthi kunye noomatshini bakamasipala.