Butt ịgbado ọkụ flange adịghị mfe deform, kaa akara nke ọma, ọtụtụ ebe, nwere kwekọrọ ekwekọ rigidity na elasticity chọrọ na ezi uche butt ịgbado ọkụ thinning mgbanwe, ịgbado ọkụ anya site na nkwonkwo elu bụ nnukwu, na nkwonkwo elu si ịgbado ọkụ okpomọkụ deformation, ọ na-ewe a ọzọ. Ọdịdị ụkwara dị mgbagwoju anya, nke kwesịrị ekwesị maka nrụgide ma ọ bụ mgbanwe okpomọkụ nke pipeline ma ọ bụ okpomọkụ dị elu, nrụgide dị elu na pipeline dị ala, nke a na-ejikarị eme ihe maka PN karịa 2.5MPa ọkpọkọ na njikọ valve; A na-ejikwa ebufe pipeline dị oke ọnụ, nke na-ere ọkụ, na-agbawa agbawa.
A na-eme flange butt welded site n'ịkpụ akpụ ma ọ bụ akpụ usoro. Mgbe ejiri efere ígwè ma ọ bụ nchara ngalaba, ihe ndị a ga-emerịrị:
1.The butt ịgbado ọkụ flange kwesịrị inyocha site ultrasonic, na-enweghị delamination ntụpọ;
2. Kwesịrị ịkpụ n'ime ibe n'akụkụ ntụziaka nke ígwè na-atụgharị, na-agbanye n'ime mgbanaka site na-ehulata, na elu nke ígwè na-emepụta cylinder nke mgbanaka. Agaghị etinye efere ígwè ozugbo n'ime flange ịgbado ọkụ n'olu;
3.The butt weld nke mgbanaka kwesịrị ịmụta zuru penetration weld;
4. Mgbanaka mgbanaka nke mgbanaka ahụ ga-enweta ọgwụgwọ okpomọkụ mgbe ọ gasịrị, ma tinye ya na 100% ray ma ọ bụ nyocha ultrasonic, nke ga-emezu ihe II chọrọ nke JB4730 na nyocha ultrasonic ga-emezu ihe m chọrọ nke JB4730.
Mkpọda nke mpụta olu nke butt welding flange ekwesịghị ịbụ ihe karịrị 70 Celsius. A na-achịkwa usoro teknụzụ nke flange ịgbado ọkụ n'oge mmepụta na ịgbado ọkụ iji hụ na ọ nwere ike rụọ ọrụ ya na uru zuru oke na mmepụta na iji ya.
1.NPS:DN15-DN3000, 1/2"-120"
2. Ntụle nrụgide: CL150-CL2500, PN2.5-PN420
3.Standard: EN, DIN, JIS, GOST, BS, GB
4. Ihe:
① Igwe anaghị agba nchara: 31254, 904/L, 347/H, 317/L, 310S, 309, 316Ti, 321/H, 304/L, 304H, 316/L, 316H
②DP ígwè: UNS S31803, S32205, S32750, S32760
③ Alloy steel: N04400, N08800, N08810, N08811, N08825, N08020, N08031, N06600, N06625, N08926, N08031, N10276
