API 5L n'ozuzu na-ezo aka na ụkpụrụ mmejuputa iwu maka ọkpọkọ ígwè pipeline, nke gụnyere isi edemede abụọ:enweghị nkebi ígwè ọkpọkọnawelded ígwè ọkpọkọ. Ka ọ dị ugbu a, ụdị ọkpọkọ nchara welded na-ejikarị na pipeline mmanụ bụspiral submerged arc welded ọkpọkọ(Pipe SSAW),ogologo okpuru mmiri arc welded ọkpọkọ(Pipe LSAW), naeletriki iguzogide welded ọkpọkọ(ERW). A na-ahọrọ ọkpọkọ igwe anaghị agba nchara mgbe dayameta pipeline erughị 152mm.
ọkọlọtọ mba GB/T 9711-2011, ígwè ọkpọkọ maka Pipeline Transportation Systems in Petroleum and Natural Gas Industries, ka emepụtara dabere na API 5L.
GB/T 9711-2011 na-akọwapụta ihe nrụpụta chọrọ maka ọkpọkọ igwe anaghị agba nchara na welded ejiri na sistemụ ụgbọ njem mmanụ na gas, na-ekpuchi ọkwa nkọwapụta ngwaahịa abụọ (PSL1 na PSL2). Ya mere, ọkọlọtọ a na-emetụta nanị ọkpọkọ ígwè na-enweghị ntụpọ na welded maka nnyefe mmanụ na gas na ọ dịghị etinye aka na ọkpọkọ ígwè.
Ọkwa ígwè
API 5L ígwè ọkpọkọ na-eji dị iche iche akụrụngwa akara ule gụnyere GR.B, X42, X46, X52, X56, X60, X70, X80, na ndị ọzọ. Emepụtala nchara pipeline nwere akara X100 na X120 ugbu a. Ogo nchara dị iche iche na-etinye ihe dị iche iche chọrọ na akụrụngwa na usoro mmepụta.
Ogo ogo
N'ime ọkọlọtọ API 5L, ịdị mma nchara pipeline bụ PSL1 ma ọ bụ PSL2. PSL na-anọchi anya ọkwa nkọwapụta ngwaahịa.
PSL1 na-akọwapụta ihe ndị chọrọ n'ozuzu mma maka pipeline ígwè; PSL2 na-agbakwunye ihe iwu chọrọ maka nhazi kemịkalụ, ike siri ike, njirimara ike, yana nyocha NDE mgbakwunye.
Oge nzipu: Sep-01-2025
