Duba bawulshine don dogara da kwararar matsakaicin kanta kuma ta atomatik buɗewa da rufe diski na bawul, ana amfani da shi don hana bawul ɗin watsa labarai na baya, wanda kuma aka sani da bawul ɗin duba, bawul ɗin hanya ɗaya, bawul ɗin countercurrent, da bawul ɗin matsa lamba na baya. Duba bawul wani nau'in bawul ne na atomatik, babban aikinsa shine hana kafofin watsa labarai koma baya, hana famfo da juyar da motar, da kuma fitar da matsakaicin akwati.

Kamfanin Newsway Valve ƙwararrun masana'anta ne wafer duba bawulolia kasar Sin. MuDual faranti duba bawulkuma ana samun bawul ɗin rajistan faranti ɗaya a cikin simintin ƙarfe, baƙin ƙarfe ductile, bakin karfe, ƙarfe mai duplex, ƙarfe mai duplex, ƙarfe na aluminum, da sauran ƙarfe na musamman na gami. Sizes daga 1/2 "zuwa 24", matsa lamba CLASS 150 zuwa CLASS 2500LB, kujeru samuwa a NBR, EPDM, PTFE, STELLITE, gami karfe, da dai sauransu Ƙarshen haɗi a Wafer, Lug da Flanged.

NEWSWAY VALVE COMPANY na duba bawul na rage abubuwan da ake amfani da su, rage farashin masana'antu da asarar makamashi yayin aiki, wanda ke da amfani ga kariyar muhalli da kiyaye makamashi. Dangane da bayar da shawarwarin kiyaye makamashi da rage fitar da iska, yana tasowa don inganta ingantaccen makamashi kuma yana ba da tunani don ƙirar injiniya da gudanarwa.