Matsayin Matsi na Flanges

Ƙarfe flanges ASME B16.5 ana yin su a cikin azuzuwan matsin lamba guda bakwai:

Manufar ƙimar flange yana so a fili. Flange na Class 300 na iya ɗaukar ƙarin matsin lamba fiye da Flange Class 150, saboda an gina flange na Class 300 tare da ƙarin ƙarfe kuma yana iya jure matsa lamba. Duk da haka, akwai wasu dalilai masu yawa waɗanda zasu iya tasiri tasirin ƙarfin flange.

Ƙimar Ƙimar Matsi

Za a ba da ƙimar Matsi don flanges a cikin Classes.

Aji, mai lamba mara girma, shine ƙididdige ƙimar matsi-zazzabi kamar haka: Class 150 300 400 600 900 1500 2500.

Ana amfani da sunaye daban-daban don nuna ajin Matsi. Misali: 150 Lb, 150 Lbs, 150# ko Class 150, duk ma'ana iri daya ne.

Amma akwai madaidaicin nuni guda ɗaya kawai, kuma shine Class Pressure, bisa ga ASME B16.5 ƙimar matsa lamba lamba ce mara nauyi.

Misalin Ƙimar Matsi

Flanges na iya jure matsi daban-daban a yanayin zafi daban-daban. Yayin da zafin jiki ya ƙaru, ƙimar matsi na flange yana raguwa. Misali, an ƙididdige Flange Class 150 zuwa kusan 270 PSIG a yanayin yanayi, 180 PSIG a kusan 400°F, 150 PSIG a kusan 600°F, da 75 PSIG a kusan 800°F.
Ma’ana, lokacin da matsa lamba ya ragu, zafin jiki yana ƙaruwa kuma akasin haka. Ƙarin abubuwa shine cewa flanges za a iya gina daga daban-daban kayan, kamar bakin karfe, simintin gyaran kafa da ductile baƙin ƙarfe, carbon karfe da dai sauransu .. Kowane abu da daban-daban matsa lamba ratings.

A ƙasa misali na flangeFarashin NPS12tare da nau'ikan matsi da yawa. Kamar yadda kake gani, diamita na ciki da diamita na fuskar da aka ɗaga gaba ɗaya; amma diamita na waje, da'irar da'ira da diamita na ramukan aron kunne sun zama mafi girma a kowane ajin matsa lamba mafi girma.

Lamba da diamita (mm) na ramukan kullu sune:

Ƙimar Matsi-Zazzabi - Misali

Matsakaicin matsi-zazzabi shine matsakaicin matsi na gage aiki da za'a iya halattawa a cikin raka'a na mashaya a yanayin zafi a cikin digiri celsius. Don matsakaita yanayin zafi, an ba da izinin haɗin kai tsaye. Ba a yarda da haɗin kai tsakanin zaɓen aji ba.

Ma'aunin zafin jiki na matsa lamba ya shafi haɗin gwiwar flanged waɗanda suka dace da iyakancewa akan bolting da gaskets, waɗanda aka yi daidai da kyakkyawan aiki don daidaitawa da haɗuwa. Amfani da waɗannan ƙididdiga don haɗin gwiwa mara kyau wanda bai dace da waɗannan iyakoki ba alhakin mai amfani ne.

Zazzabi da aka nuna don ma'aunin matsi mai dacewa shine zafin harsashi mai ɗauke da matsa lamba na ɓangaren. Gabaɗaya, wannan zafin jiki ɗaya ne da na ruwan da ke ɗauke da shi. Amfani da ƙimar matsi mai dacewa da zafin jiki ban da na ruwan da ke ƙunshe alhakin mai amfani ne, dangane da buƙatun lambobi da ƙa'idoji. Ga kowane zafin jiki da ke ƙasa -29°C, ƙimar ƙimar ba zata wuce ƙimar da aka nuna na -29°C ba.

A matsayin misali, a ƙasa zaku sami tebur biyu tare da ƙungiyoyin kayan abu ASTM, da sauran tebur biyu tare da ƙimar matsi-zazzabi ga waɗanda kayan ASTM ASME B16.5.