0102030405
A na-ekewa valvụ site na nha aha / nrụgide / okpomọkụ / ihe / njikọ / njikwa
2022-07-16
A na-ekewa valvụ site na nha nha / nrụgide / okpomọkụ / ihe / njikọ / njikwa kemịkalụ kemịkalụ nke ígwè na-adabere na okpomọkụ, ibu ọrụ nke akụkụ esemokwu, nkwụsi ike nke sulfide dị na ihe ndị na-ete mmanụ na nguzogide acid ha, ogologo oge kọntaktị na ọkara na mmetụta catalytic nke metal na usoro nitriding, mgbanwe mgbanwe nke ụmụ irighiri ihe ndị na-emebi emebi na ọla, wdg 1, valvụ corrosion, na-aghọtakarị dị ka valvụ metal ihe na chemical ma ọ bụ electrochemical gburugburu ebe obibi site mbibi. Ebe ọ bụ na nrụrụ na-apụta na mkparịta ụka ozugbo n'etiti ọla na gburugburu ebe obibi, otu esi ekewapụta ọla na gburugburu gburugburu ma ọ bụ jiri ihe sịntetik na-abụghị ọla abụrụla ihe na-echekarị. 2. A maara nke ọma na mmebi mmebi ígwè nwere mmetụta dị ukwuu na ndụ, ntụkwasị obi na ndụ ọrụ nke valves. Omume nke ndị na-emepụta ihe na ndị na-emebi emebi na ígwè na-eme ka ọnụ ọgụgụ zuru ezu nke eyi na kọntaktị dị elu. Valve n'oge a na-arụ ọrụ, esemokwu nke elu nke ngụkọta ego nke eyi. N'oge valvụ na-arụ ọrụ, a na-eyi ma mebie esemokwu n'elu n'ihi ihe arụ ọrụ n'otu oge na kemịkalụ ma ọ bụ electrochemical n'etiti ígwè na gburugburu ebe obibi. Maka valvụ ahụ, ọnọdụ ihu igwe ya na-arụ ọrụ dị mgbagwoju anya; Ọnụnọ nke hydrogen sulfide, carbon dioxide na ụfọdụ organic acids na mmanụ, ikuku gas na mmiri nchekwa na-abawanye ike mbibi nke elu igwe, si otú a na-efunahụ ike ịrụ ọrụ ngwa ngwa. 3, n'ihi na chemical corrosion nke metal dabere na okpomọkụ, n'ibu ibu nke esemokwu akụkụ, lubricating ihe nwere sulfide na acid iguzogide nkwụsi ike na ọkara kọntaktị oge na metal na nitriding usoro nke catalytic edinam, corrosion nke ụmụ irighiri ihe onwunwe. na metal ntughari ọsọ na na. Ya mere, usoro mgbochi nke valvụ ígwè (ma ọ bụ nha) na ntinye nke valve ihe eji eme ihe aghọwo otu n'ime isiokwu nke nyocha ụlọ ọrụ valve. 4, metal valve anticorrosion, nwere ike ịghọta dị ka valvụ metal mkpuchi iji chebe ọnọdụ nke oyi akwa nchebe site na corrosion (dị ka agba, agba, mmanụ mmanu, wdg), nke mere na valvụ ma na-emepụta, nchekwa, njem njem. ma ọ bụ na dum usoro nke ojiji na-adịghị corroded. 5, metal valve anticorrosion usoro na-adabere na oge nchebe achọrọ, njem na ọnọdụ nchekwa, àgwà nhazi valve na ihe, n'ezie, iji tụlee mmetụta akụ na ụba nke iwepụ anticorrosion. Nhazi nke valvụ dị ka dayameta aha / nrụgide / okpomọkụ / ihe onwunwe / njikọ njikọ / ọnọdụ ọrụ nhazi nke valves dị ka dayameta aha 1, "obere dayameta valvụ" ọnụ ala DN≤40mm 2, "valvụ ọkara ọkara" ọnụ ala DN50-300mm 3, "nnukwu dayameta valvụ" ọnụ ala dayameta DN350-1200mm valvụ 4, "nnukwu dayameta valvụ" nominal dayameta DN≥1400mm valvụ Valves na-nkewa dị ka nominal size valvụ 1, "obere caliber valvụ" ọnụ dayameta DN≤40mm valvụ 2, "ọkara valvụ. caliber valvụ" ọnụ ala dayameta DN50-300mm valvụ 3, "nnukwu caliber valvụ" ọnụ ala dayameta DN350-1200mm valvụ 4, "nnukwu dayameta valvụ" ọnụ dayameta DN≥1400mm valvụ Nhazi nke nominal mgbali valves 1, "vacuum valve" arụ ọrụ nrụgide dị ala. karịa ọkọlọtọ ikuku ikuku valvụ 2, "valvụ nrụgide dị ala" ọnụ ala PN≤ 1.6mpa valve 3, "valvụ mgbali elu" ọnụ ala PN2.5-6.4mpa valve 4, "valvụ mgbali elu" nrụgide ọnụ PN10.0-80.0mpa valvụ 5, "super elu mgbali valvụ" nominal mgbali PN≥100MPA valvụ Dị ka ọkara arụ ọrụ okpomọkụ valvụ nkewa 1, "elu okpomọkụ valvụ" T> 450 ℃ valvụ 2, "ọkara okpomọkụ valve" 120℃≤ T ≤450℃ valvụ 3, "valve okpomọkụ nkịtị" -40℃≤ T ≤120℃ valvụ 4, "obere okpomọkụ valve" -100℃≤ T ≤-40℃ valvụ 5, "** okpomọkụ valve" T Mgbe ọ dị mkpa ka a na-ebufe nnukwu torque, ikpuru gia, gia na ngwaọrụ ndị ọzọ deceleration nwere ike iji 2, "valvụ eletriki" eletrik eletrik, electromagnetic ma ọ bụ ngwaọrụ eletrik ọzọ na-arụ ọrụ valve 3, "hydraulic or pneumatic valve" site n'enyemaka nke mmiri mmiri (mmiri). , mmanụ na mgbasa ozi mmiri mmiri ndị ọzọ) ma ọ bụ valve njikwa ikuku