Spiral ígwè ọkpọkọbụ ụdị ọkpọkọ ígwè a na-eme site n'ịtụgharị eriri nchara n'ụdị ọkpọkọ n'otu akụkụ gburugburu (nke na-emepụta akụkụ) wee gbado ya. A na-ejikarị ya na usoro pipeline maka mmanụ, gas na mmiri na-ebufe mmiri.
Dayameta aha aha bụ dayameta ọnụ nke ọkpọkọ, uru ọnụ nke nha ọkpọkọ. Maka ọkpọkọ nchara gburugburu, dayameta aha ya na-adịkarị nso, mana ọ bụghị nhata, n'ezie n'ime ma ọ bụ n'èzí.
A na-egosipụtakarị ya site na DN gbakwunyere ọnụ ọgụgụ, dị ka DN200, nke na-egosi ọkpọkọ ígwè na dayameta ọnụ nke 200 mm.
Oke dayameta aha nkịtị (DN):
1. Oke dayameta pere mpe (DN100 - DN300):
DN100 (4 inch)
DN150 (6 sentimita)
DN200 (8 sentimita)
DN250 (10 sentimita)
DN300 (12 sentimita)
2. Oke dayameta (DN350 - DN700):
DN350 (14 sentimita)
DN400 (16 sentimita)
DN450 (18 sentimita)
DN500 (20 sentimita)
DN600 (24 sentimita asatọ)
DN700 (28 sentimita asatọ)
3. Oke dayameta buru ibu (DN750 - DN1200)
DN750 (30 sentimita)
DN800 (32 sentimita)
DN900 (36 sentimita)
DN1000 (40 sentimita)
DN1100 (44 inch)
DN1200 (48 sentimita)
4. Oke oke dayameta (DN1300 na n'elu)
DN1300 (52 sentimita)
DN1400 (56 sentimita asatọ)
DN1500 (60 sentimita)
DN1600 (64 inch)
DN1800 (72 sentimita)
DN2000 (80 sentimita)
DN2200 (88 sentimita)
DN2400 (96 sentimita)
DN2600 (104 inch)
DN2800 (112 sentimita)
DN3000 (120 sentimita)
Dayameta dị n'èzí (OD): OD bụ dayameta nke elu elu nke ọkpọkọ nchara gburugburu. OD nke ọkpọkọ nchara gburugburu bụ nha n'ezie n'èzí ọkpọkọ ahụ. Enwere ike nweta OD site na nha n'ezie, na-abụkarị na millimeters (mm).
Dayameta dị n'ime (ID): ID bụ dayameta nke elu dị n'ime nke ọkpọkọ nchara gburugburu. NJ bụ nha n'ezie n'ime ọkpọkọ ahụ. A na-agbakọkarị ID site n'iwepụ okpukpu abụọ okpukpu mgbidi site na OD na millimeters (mm) ID = OD-2 x Ọkpụrụkpụ mgbidi.
Ọkụ nchara spral nwere dayameta aha dị iche iche nwere ngwa dị iche iche na mpaghara dị iche iche:
1. obere dayametaSsaw Steel Pipe(DN100 - DN300): a na-ejikarị eme ihe na injinia ime obodo maka ọkpọkọ mmiri, ọkpọkọ mmiri, ọkpọkọ gas, wdg.
2. ọkara dayametaSsaw Pipe(DN350 - DN700): ejiri mmanụ, pipeline gas na pipeline mmiri mmepụta ihe. 3. nnukwu dayameta spiral ígwè ọkpọkọ (DN100 - DN300): a na-ejikarị na ime obodo engineering mmiri ọkọnọ pipeline, drainage pipeline, gas pipeline, wdg.
3.Nnukwu dayameta Ssaw Pipe(DN750 - DN1200): A na-eji ya na ọrụ nnyefe mmiri dị anya, pipeline mmanụ, nnukwu ọrụ mmepụta ihe, dị ka njem njem.
4. ultra-nnukwu dayametaSsaw Carbon Steel Pipe(DN1300 na n'elu): nke a na-ejikarị eme ihe maka mmiri dị ogologo na mpaghara gafee, ọrụ mmanụ na gas, pipeline okpuru mmiri na nnukwu ọrụ akụrụngwa ndị ọzọ.
A na-emepụta dayameta ọnụ na nkọwa ndị ọzọ nke ọkpọkọ nchara gburugburu dịka ụkpụrụ na nkọwa dị mkpa si dị:
1. ụkpụrụ mba ụwa: API 5L: ọdabara na pipeline njem ígwè ọkpọkọ, ezipụta size na ihe onwunwe chọrọ spiral steel pipe ASTM A252: ọdabara structural ígwè ọkpọkọ, ezipụta size na n'ichepụta chọrọ nke gburugburu ígwè ọkpọkọ.
2. ọkọlọtọ mba: GB / T 9711: ọdabara na ígwè ọkpọkọ maka mmanụ na gas ụlọ ọrụ njem, ezipụta teknuzu chọrọ nke gburugburu ígwè pipe. gb / t 3091: ọdabara na welded ígwè ọkpọkọ maka ala-nrụgide mmiri njem, ezipụta akụkụ na teknuzu chọrọ nke gburugburu ígwè ọkpọkọ.
Oge nzipu: Sep-02-2024