F * F valavu yoteteza chitetezo ndi valavu yomwe imagwiritsidwa ntchito kutulutsa kupanikizika kwambiri m'mapaipi, omwe amadziwikanso kuti valavu yotetezera kuthamanga.Amapangidwa ndi valavu thupi, kusintha kasupe, pisitoni, mphete yosindikiza, chivundikiro cha valve, ndi mbali zina.Pamene kupanikizika mu payipi kupitirira mtengo woikidwiratu, valavu imatseguka kuti itulutse kupanikizika kwakukulu.Valavu yamtundu wotereyi imatha kuteteza mapaipi ndi zida kuti asachuluke kapena kusinthasintha kwangozi.F * F * F ulusi mavavu chitetezo ntchito kawirikawiri ntchito mizere kupanga m'mafakitale monga petroleum, petrochemical, mankhwala, zitsulo, ndi mphamvu, makamaka kulamulira kayendedwe ka zipangizo ndi mapaipi kachitidwe pansi pazovuta kwambiri.Izi zili ndi mawonekedwe amtundu wodalirika, kugwiritsa ntchito bwino, komanso kugwira ntchito moyenera.Itha kutengera ma diameter osiyanasiyana a chitoliro ndi milingo yakukakamiza, ndipo imagwiritsidwa ntchito kwambiri pamafakitale osiyanasiyana, monga mphamvu zamagetsi, mafakitale amagetsi a nyukiliya, petrochemical ndi mafakitale ena.Kugwiritsiridwa ntchito kwa ma valve otetezera ndikokwanira kwambiri m'mafakitale monga mafuta ndi gasi.Mu njira zida za mafakitale monga mafuta, petrochemical, mankhwala, zitsulo, ndi mphamvu, vuto kutayikira nthawi zambiri zimachitika.Ntchito ya ma valve otetezera ndikukwaniritsa kudziwongolera ndikuwonetsetsa chitetezo cha zida ndi ogwira ntchito.Pazotengera zina zothamanga kwambiri komanso ma reactors, ma valve oteteza chitetezo ndi zida zofunika kwambiri zowongolera.Mwachidule, valavu yotetezera F * F ndi valavu yofunikira kwambiri yomwe imagwiritsidwa ntchito poyang'anira kayendetsedwe ka zipangizo ndi mapaipi pansi pazovuta kwambiri, kuteteza mapaipi ndi zipangizo kuti zisawonongeke, ndipo ndi chida chofunikira cha chitetezo m'makampani amakono.Chogulitsachi chili ndi satifiketi ya CE.