Otu esi ahọrọ flange

1. Enwere ụkpụrụ flange anọ ugbu a na China, nke bụ:

(1) National flange ọkọlọtọ GB/T9112 ~ 9124-2000;

(2) Chemical ụlọ ọrụ flange ọkọlọtọ HG20592-20635-1997

(3) Mechanical ụlọ ọrụ flange ọkọlọtọ JB / T74 ~ 86.2-1994;

(4) ọkọlọtọ flange maka ụlọ ọrụ petrochemical SH3406-1996

Na-ewere ọkọlọtọ mba dịka ọmụmaatụ, kọwaa nhọrọ nke flanges. A na-ekewa flange ọkọlọtọ mba n'ime usoro abụọ bụ isi: usoro Europe na usoro America. The nominal nrụgide nke European usoro flanges gụnyere: PN0.25, PN0.6, PN1.0, PN1.6, PN2.5, PN4.0, PN6.3, PN10.0, na PN16.0MPa; The nominal mgbali nke American flanges usoro gụnyere PN2.0, PN5.0, PN11.0, PN15.0, PN26.0, na PN42.OMPa.

2. Ihe ndabere maka ịhọrọ flanges

(1) Ngwongwo nke ihe na-ebufe ihe, gụnyere izugbe n'ozuzu, ọkara pụrụ iche, ihe na-egbu egbu, ọkụ ọkụ na ihe mgbawa;

(2) Dabere na paramita nke ọkara, nrụgide na-arụ ọrụ, na okpomọkụ na-arụ ọrụ, mgbe a na-ekpebi usoro nhazi, a na-ekpebi nrụgide PN nke flange dabere na okpomọkụ na-arụ ọrụ na nrụgide nke usoro.

(3) Kpebie usoro njikọ na ụdị mkpuchi mkpuchi n'etiti flanges na ọkpọkọ dabere na ọnọdụ ojiji na ọnọdụ njikọ.

(4) Kpebie nkọwa flange dabere na ihe njikọ ahụ.