Valve akara mgbanaka ihe nkịtị na ọnọdụ ọrụ Valve manual gas valve valve

Valve akara mgbanaka ihe nkịtị na ọnọdụ ọrụ Valve manual gas valve valve

Ihe mgbanaka mgbanaka valvụ nwere ụdị abụọ na-abụghị ọla. Ihe ndị a na-ahụkarị na ọnọdụ ojiji ha bụ ndị a:
1. roba sịntetik
Rọba sịntetịt dị mma karịa roba eke na nguzogide mmanụ, nguzogide okpomọkụ na nguzogide corrosion. General sịntetik roba okpomọkụ t ≤ 150℃, eke roba t ≤ 60℃, roba eji nominal mgbali PN ≤ 1MPa globe valve, ọnụ ụzọ ámá valvụ, valvụ diaphragm, urukurubụba valvụ, valvụ ego, mwekota valve na ndị ọzọ valves akara.
2, naịlọn
Naịlọn nwere njirimara nke ọnụọgụ esemokwu dị ala yana ezigbo nguzogide corrosion. Naịlọn bụ tumadi ji okpomọkụ t ≤ 90 ℃, nominal mgbali PN ≤ 32MPa bọl valvụ, globe valve.
3. Teflon
Ptfe na tumadi ji globe valves, ọnụ ụzọ ámá valves na bọl valves na okpomọkụ T ≤ 232 ℃ na nominal mgbali PN ≤ 6.4MPa.
4, igwe nkedo
A na-eji ígwè nkedo eme ihe maka valvụ ọnụ ụzọ ámá, valves globe na plug valves maka gas na mmanụ, na okpomọkụ T ≤ 100 ℃ na nrụgide ọnụ ala PN ≤ 1.6mpa.
5. Babbitt alloy
Babbitt alloy na-eji maka amonia nkwụsị valves na okpomọkụ T-70 ~ 150 ℃ na nominal mgbali PN ≤ 2.5MPa.
6. ọla kọpa alloy
Ihe ndị a na-ejikarị ọla kọpa alloy bụ 6-6-3 tin bronze na 58-2-2 manganese brass. Ọla kọpa alloy eyi iguzogide, adabara okpomọkụ T ≤ 200 ℃, nominal mgbali PN ≤ 1.6MPa mmiri na uzuoku, na-ejikarị ọnụ ụzọ ámá valves, globe valves, ego valves, plọg valves, wdg.
7, igwe anaghị agba nchara chrome
Igwe anaghị agba nchara chrome a na-ejikarị eme ihe bụ 2Cr13, 3Cr13 mgbe emenyụchara na ọgwụgwọ iwe, ezigbo nguzogide corrosion. Ọtụtụ mgbe, eji maka okpomọkụ t ≤ 450 ℃, nominal mgbali PN ≤ 32MPa mmiri, uzuoku na mmanụ na ndị ọzọ media valves.
8, chromium nickel titanium igwe anaghị agba nchara
Akara igwe anaghị agba nchara chromium nickel a na-ejikarị bụ 1Cr18Ni9ti, nke nwere ezigbo nguzogide corrosion, nguzogide mbuze na nguzogide okpomọkụ. Kwesịrị ekwesị maka okpomọkụ T ≤ 600 ℃, nrụgide ọnụ ala PN ≤ 6.4MPa uzuoku, nitric acid na mgbasa ozi ndị ọzọ, eji maka valvụ ụwa, valvụ bọl, wdg.
9, ígwè nitriding
Ọkwa a na-ahụkarị nke nitriding steel bụ 38CrMoAlA, nke nwere ezigbo nguzogide corrosion na nguzogide abrasion mgbe emechara ya. Ọ na-ejikarị maka ike ọdụ ọnụ ụzọ ámá valves na okpomọkụ T ≤ 540 ℃ na nominal mgbali PN ≤ 10MPa.
10, na-ekwu okwu
Boronizing site ahụ ma ọ bụ diski ahụ ihe ozugbo esichara akara n'elu, boronizing elu ọgwụgwọ, akara n'elu eyi iguzogide dị ezigbo mma. A na-eji valvụ ọkụ na-akụda ọkụ.
valvụ ọnụ ụzọ ámá gas valvụ akwụkwọ ntuziaka na-eji aka tụgharịa wheel aka iji mee ka stem ahụ bilie wee daa, ka ọ na-ebugharị efere ọnụ ụzọ ámá elu na ala iji mepee ma mechie valvụ ahụ. AKWỤKWỌ valvụ ahụ na "Oghere" na "Mkpuchi" na-egosi usoro, na-atụgharị n'aka elekere, ọnụ ụzọ ámá ahụ dara, ihe nrịbama na-atụ aka n'ọnọdụ "ỌZỌ", na valvụ na-emechi. Tụgharịa na aka elekere, ọnụ ụzọ ámá ahụ na-ebili, agịga na-atụ aka na ọnọdụ "NA", valvụ ahụ meghere. Mgbe ị na-anwale nrụgide nke pipeline, ọ dị mkpa iji ogwe aka na-agbatị mkpanaka. Mechie valvụ ma ga-emechi ya (leba anya ọnọdụ pointer). Tụgharịa wiilịgharị aka ahụ n'akụkụ elekere ka ọ mechie, ma tụgharịa ya n'akụkụ elekere ka imepee.
Oke nke 1.
Manual arụ ọrụ gas ọnụ ụzọ ámá valves na nominal dayameta DN100mm ~ 300mm na nominal mgbali PN0.8mpa flanged njedebe njikọ na-gụnyere na nke a nkọwapụta.
2. Jiri
2.1 A na-eji valvụ a dị ka ngwaọrụ mmeghe na mmechi na gas obodo na pipeline gas.
2.2 Họrọ ihe nke valvụ dị ka ọkara.
2.2.1 Ductile iron valve dị mma maka gas, ikuku gas na mgbasa ozi ndị ọzọ.
2.3 Ọnọdụ okpomọkụ dị:
2.3.1 The ọdabara okpomọkụ nke ductile ígwè valvụ bụ ≤120 ℃
Nhazi nke 3.
3.1 E gosipụtara usoro ntọala nke valve ọnụ ụzọ gas na eserese 1
3.2 The gasket nke yi akụkụ jupụtara roba asbestos osisi na fluorine roba iji hụ na a pụrụ ịdabere na akara.
4. Na-arụ ọrụ
valvụ akwụkwọ ntuziaka na-atụgharị aka n'aka iji bulie ma na-ewetu azuokokoosisi, si otú a na-ebuli ọnụ ụzọ ámá elu na ala iji meghee ma mechie valvụ ahụ. AKWỤKWỌ valvụ ahụ na "Oghere" na "Mkpuchi" na-egosi usoro, na-atụgharị n'aka elekere, ọnụ ụzọ ámá ahụ dara, ihe nrịbama na-atụ aka n'ọnọdụ "ỌZỌ", na valvụ na-emechi. Tụgharịa na aka elekere, ọnụ ụzọ ámá ahụ na-ebili, agịga na-atụ aka na ọnọdụ "NA", valvụ ahụ meghere.
5. Nchekwa, mmezi, ntinye na ojiji
5.1 A ga-echekwa valvụ ahụ n'ime ụlọ akọrọ na ikuku, na njedebe abụọ nke ụzọ valve ga-egbochi.
5.2 A ga-enyocha valvụ echekwara ogologo oge maka unyi. Ekwesịrị ịkwụ ụgwọ nlebara anya pụrụ iche na nhicha nke mkpuchi mkpuchi iji gbochie mmebi nke mkpuchi mkpuchi.
5.3 Tupu echichi, jiri nlezianya lelee ma akara valvụ ahụ kwekọrọ n'ihe achọrọ.
5.4 Tupu echichi, a ga-enyocha ọnụ ụlọ dị n'ime na akara akara nke valvụ ahụ. Ọ bụrụ na e nwere unyi, a ga-eji akwa nhicha ihicha ya.
5.5 pipes ga-ehichapụ tupu na mgbe echichi iji hụ na ọ dịghị ihe fọdụrụ na ọkpọkọ
5.6 Mgbe ị na-anwale nrụgide nke pipeline, a ga-eji mkpịsị aka mkpanaka gbatịa. Mechie valvụ ma ga-emechi ya (leba anya ọnọdụ pointer). Tụgharịa wiilịgharị aka ahụ n'akụkụ elekere ka ọ mechie, ma tụgharịa ya n'akụkụ elekere ka imepee.
5.7 Ekwesịrị ịfụ valvụ ahụ mgbe niile ka ọ ghara igbochi coking.
5.8 The valvụ kwesịrị mmanye mgbe nile (10 ~ 15 ụbọchị) ka mmanu akara ụzọ na valvụ azuokokoosisi na ndị ọzọ na-akpụ akpụ ụzọ iji belata ịmafe torque na-echebe akara ụzọ.
6. Edepụtara mmejọ, ihe kpatara na ụzọ nchọpụta nsogbu na tebụl
Tebụl 1 Mmejọ, ihe kpatara na ụzọ nchọpụta nsogbu nwere ike 1
Akwụkwọ ikike nke 7.
Onye nrụpụta na-ahụ maka ikike nke valvụ ahụ n'ime otu afọ ka etinyere ya, mana ọ bụghị ihe karịrị ọnwa 18 ka ebufechara ya. N'ime oge ikike, n'ihi àgwà ngwaahịa enwere ike ịrụzi ma ọ bụ dochie ya.
8. Ntuziaka ntuziaka
Biko kwuo mgbe ị na-enye iwu
Nrụgide aha MPa
Dayameta aha aha mm
Ụkpụrụ ogologo ihe owuwu
Ọkọlọtọ nha njikọ Flange
Na ngwaọrụ na-abụghị mmanụ
Ngwaọrụ ejiri aka na akụkụ nwere mkpanaka ndọtị ma ọ bụ na-enweghị