Makamaka mankhwala njira zamadzimadzi mu mapaipi zambiri poizoni, radioactive ndi woopsa.Ma bellows amasindikiza ma valve pachipataamagwiritsidwa ntchito poletsa kutayikira kwa mankhwala aliwonse oopsa kupita mumlengalenga.Thupi lakuthupi litha kusankhidwa kuchokera kuzinthu zonse zomwe zilipo, Pavutoli litha kuperekedwa muzinthu zosiyanasiyana monga 316Ti, 321, C276 kapena Aloyi 625.

• 1) .Metal bellows amasindikiza tsinde losuntha ndikuwonjezera kulimba kwa mavavu osindikizira tsinde.
• 2)) Doko loyang'anira ma Bellows (ngati mukufuna): Pulagi imatha kulumikizidwa ndi danga lomwe lili pamwamba pa mvuto kuti liwunikire momwe ntchito ikuyendera.
• 3) .Zisindikizo ziwiri zachiwiri: a) Kumbuyo pamalo otseguka;b) Kunyamula graphite.
• 4).kwa Bellows seal chipata valavu, mbali zake zazikulu zitsulo mvuto, m'munsi mapeto ndi valavu tsinde ndi basi kugudubuza welded, ndipo kumtunda ndi chubu chitetezo ndi basi mpukutu welded komanso.Chotchinga chachitsulo chimapangidwa pakati pa tsinde pamalo ake olowera kudutsa malire okakamiza ndi njira yamadzimadzi mkati mwa valavu, kuti athetse kutayikira kwa tsinde;
• 5) .Ma valve otsekedwa ndi bellow nthawi zambiri amayesedwa pogwiritsa ntchito spectrometer yambiri kuti azindikire kutayikira pansi pa 1x10E-06 std.cc/sec.Mapangidwe osindikizira kawiri (mavuvu osindikizira ndi kunyamula tsinde) ngati mavuvu alephera, kunyamula tsinde la valve kudzapewanso. kutayikira, komanso mogwirizana ndi miyezo yapadziko lonse lapansi yolimba;
• 6) .Maboneti otsekedwa m'munsi amathandizidwa ndi choyikapo tsinde chokhazikika komanso khomo loyang'anira kutayikira pakati pa mvuvulo ndi kulongedzako kuti ateteze kutulutsa koopsa kwamadzi owopsa ngati mvuvu yatuluka.
• 7) Osati monga gwero la mafuta lachikale la ulusi wa tsinde, nsonga yamafuta imapangidwira pa boneti ya valve, titha kuthira mafuta tsinde, mtedza ndi tchire mwachindunji, kudzera pa nsonga yamafuta;
• 8) .Ergonomically chopangidwa ndi handwheel, moyo wautali wautumiki, wosavuta kugwiritsa ntchito, wotetezeka komanso wodalirika;