Ayini ama-blind flange?

I-blind flange iyipuleti eliyindilinga elinazo zonke izimbobo ezidingekayo ngaphandle kwembobo emaphakathi. Ngenxa yalesi sici, ama-flange ayimpumputhe ngokuvamile asetshenziselwa ukuvala iziphetho zezinhlelo zamapayipi kanye nokuvuleka kwemikhumbi yokucindezela. Aphinde avumele ukungena kalula ngaphakathi kwepayipi noma umkhumbi ngemva kokuba selivaliwe futhi lidinga ukuphinda livulwe.

Ngaphandle kwe-blind flange, ukugcinwa nokulungiswa kwepayipi kungaba nzima. Ukugeleza kuyodingeka kumiswe kuvalvu eseduze, engaba ngamamayela kude nendawo yokulungisa. Ngaphezu kwalokho, ama-valve ayabiza futhi athambekele ekunamatheleni. Ipayipi lingavalwa nge-blind flange ngezindleko eziphansi kakhulu. Ama-blind flange avame ukusetshenziswa ezimbonini ze-petrochemical, amapayipi, izinsiza kanye nezimboni zokuhlanza amanzi, phakathi kokunye.

I-Blind Flange (BF) iyingxenye yamapayipi esetshenziselwa ukumboza noma ukuvala ukuphela kwepayipi, ivalvu, umkhumbi noma ithangi. Uma isetshenziswa ekupheleni kwepayipi, umkhumbi noma ithangi, inikeza ukufinyelela okulula okuvulekile ukuze kunwetshwe okwengeziwe kwepayipi. I-flange eyimpumputhe ibhekene nokucindezeleka okukhulu kunanoma iyiphi enye i-flange ngoba umsebenzi wayo oyinhloko ukukhawulela ukucindezela kwepayipi.

Ama-blind flanges - isifinyezo se-BV - asetshenziswa kakhulu kuzo zonke izimboni lapho kusetshenziswa amapayipi. Atholakala kuzo zonke izinhlobo zobuso (RTJ, Raised and Flat Face) kanye nengcindezi. Nakuba kungewona umqondo omuhle kumapayipi amaningi, okungaboni kungabekwa phakathi kwama-flange amabili ukuze kuvinjwe ukugeleza. Umklami kufanele asebenzise impumputhe lapho ezama ukuvimba okwesikhashana ukugeleza kwepayipi. I-blind flange ibekwa ekugcineni kwe-valve ukuvimbela uketshezi lwenqubo ukuthi lungaphumi uma i-valve ivulwe ngephutha.