ʻO ka valve palekana F * F threaded safety valve kahi i hoʻohana ʻia no ka hoʻokuʻu ʻana i ke kaomi kiʻekiʻe ma nā pipeline, ʻike ʻia hoʻi ʻo ka valve palekana kaomi.Hoʻokumu ʻia ia me ke kino valve, hoʻoponopono i ka puna, piston, sealing ring, valve cover, a me nā ʻāpana ʻē aʻe.Ke ʻoi aku ke kaomi o ka pipeline i ka waiwai i hoʻonohonoho ʻia, wehe koke ka valve e hoʻokuʻu i ke kaomi keu.Hiki i kēia ʻano valve palekana ke pale i nā pipeline a me nā mea hana mai ke kaumaha nui a i ʻole ka hoʻololi ʻana i ke kaomi.Hoʻohana maʻamau ʻia nā valve palekana F * F ma nā laina hana i nā ʻoihana e like me ka petroleum, petrochemical, chemical, metallurgical, a me ka mana, ka mea nui no ka mālama ʻana i ka hana o nā lako a me nā ʻōnaehana pipeline ma lalo o nā kūlana kiʻekiʻe.Loaʻa i kēia huahana nā hiʻohiʻona o ka maikaʻi hilinaʻi, hoʻohana maʻalahi, a me ka hana pololei.Hiki iā ia ke hoʻololi i nā anawaena paipu like ʻole a me nā pae kaomi, a hoʻohana nui ʻia i nā hanana ʻoihana like ʻole, e like me nā keʻena ikehu, nā mea kanu nuklea, petrochemical a me nā ʻoihana ʻē aʻe.ʻO ka hoʻohanaʻana i nā valves palekana he nui loa i nāʻoihana e like me kaʻaila a me ke kinoea maoli.I ke kaʻina hana o nā ʻoihana e like me ka petroleum, petrochemical, chemical, metallurgical, a me ka mana, hiki pinepine ka pilikia o ka leakage.ʻO ka hana o nā valves palekana e hoʻokō i ka mana aunoa a hōʻoia i ka palekana o nā mea hana a me nā limahana.Ma kekahi mau kīʻaha kiʻekiʻe a me nā reactors, he mau mea hoʻokele pono ʻole nā valve palekana.I ka hōʻuluʻulu ʻana, ʻo ka F * F threaded safety valve he mea nui pipeline valve i hoʻohana nui ʻia e kaohi i ka hana o nā mea hana a me nā ʻōnaehana pipeline ma lalo o nā kūlana kiʻekiʻe, pale i nā pipelines a me nā mea hana mai ke kaumaha nui, a he mea palekana koʻikoʻi i ka ʻoihana hou.Loaʻa kēia huahana i ka palapala CE.