Valve ya mpira pakali pano ndiyo valavu yomwe imagwiritsidwa ntchito kwambiri pamsika.Amagwiritsidwa ntchito makamaka pozungulira, kudula, ndi kusintha kayendedwe kake.Malingana ndi mtundu wa kufalikira, ma valve a mpira amatha kugawidwa m'magulu awiri a mpira, ma valve a mpira wa njira zitatu, ndi ma valve a mpira wa njira zinayi, zomwe zimagwira ntchito yotembenuza, kupatukana, ndi kusintha njira yapakati.Malingana ndi mtundu wa galimoto, mavavu a mpira akhoza kugawidwa mu mavavu amanja a mpira,ma valve a mpira wamagetsindimavavu a mpira wa pneumatickukwaniritsa zofunikira zamafakitale osiyanasiyana.

M'nkhaniyi,tidzakudziwitsani za mndandanda wa TOP 5 actuated ball valve suppliers kuti muwerenge ndikukuthandizani kuti mupeze wopereka ma valve oyenera.

COVNA idakhazikitsidwa mchaka cha 2000 ndipo ili ndi zaka 10+ pakuchita malonda padziko lonse lapansi.Imadziwa valavu ndi msika ndipo ndikukhulupirira kuti ikhoza kukuthandizani kusankha ma valve oyenera pazomwe mukufuna.Kufuna kulikonse kwa valve yoyendetsedwa ndi mpira omasuka kufunsasales@covnavalve.com

Parker idakhazikitsidwa mu 1917 ndipo ili ndi mbiri yazaka zana limodzi.Amapereka zinthu zoyendetsera njira zotetezeka kumakampani akunyanja komanso makampani akumtunda.Parker amapereka zinthu zosiyanasiyana ndi ntchito, kuphatikizapo mavavu amanja a mpira, mavavu a mpira wa pneumatic, ma valve oyandama a mpira, ma valve a 2-port, 3-port ball valves, 4-port ball valves, opereka mayankho apamwamba kwambiri a mpira. ndi gasi, mankhwala madzi, magetsi, mafakitale mankhwala ndi mafakitale ena.dongosolo.

Yakhazikitsidwa mu 1790, Flowserve yapereka mankhwala ndi mautumiki osiyanasiyana a mafuta, gasi, makampani opanga mankhwala, mphamvu zamagetsi, ndi chithandizo cha madzi kwa zaka pafupifupi 2. Kuwonjezera pa ma valve a mpira, Flowserve imaperekanso zinthu zosiyanasiyana zamakampani monga ma valve, mapampu, ma actuators, ndi zina zotero. Flowserve ili ku Texas ndipo imagwira ntchito m'mayiko / madera 50+, kotero ndikosavuta kuti mugule zinthu za Flowserve.

Emerson adakhazikitsidwa mu 1890 ndipo adadzipereka kupereka opanga zida zodzichitira m'mabanja ndi mabizinesi, kuphatikiza kupanga magetsi, kuthira madzi oyipa, kukonza chakudya, ndi zina zambiri.Kuphatikiza pa ma valve, zinthu za Emerson zimaphatikizaponso zida zoyezera, zigawo za pneumatic, machitidwe owunikira, ndi zina zotero.

SSP Fitting Corp idakhazikitsidwa mu 1926 ndipo idapeza ISO9001:2015, ISO/IEC 17025:2005 ndi ziphaso zina.SSP imapereka ntchito zosinthira valavu ya mpira ndipo imatha kupereka zinthu zomwe zimakwaniritsa zosowa zanu malinga ndi zomwe mukufuna.Kampani ya SSP imatumiza mwachangu komanso zabwino kwambiri, zomwe zimayamikiridwa kwambiri ndi makasitomala.Zogulitsa zonse zimapangidwa ku United States.

TVI inakhazikitsidwa mu 1986 ndipo ili ndi zaka 35 za zochitika za valve.TVI imapereka ma valve apamwamba kwambiri kudzera mu mgwirizano wapadziko lonse ndi wamba.Mawonekedwe ake ndi mavavu a mpira omwe amalimbana ndi dzimbiri, ndipo akudzipereka kuti apereke njira zothetsera vuto la media industries.TVI imapereka ma valve oyandama a mpira ndi ma valve a trunnion mpira, oyenera kumakampani otsika kapena othamanga kwambiri.