Iteanye le rona
 Iteanye le rona

7 Malebela a potlakileng a ho utloisisa matšoao a valve

7 Malebela a potlakileng a ho utloisisa matšoao a valve

7 Malebela a potlakileng a ho utloisisa matšoao a valve

O kile a ipotsa hore na ke efe e khutsitseng e kang dn, PN, ½, E boima, le litlhaku tsa cwp ka ho hlaka? Ho tseba ka matšoao 'meleng oa liphulkeng le hore na ho ka hlaha mangolo a mang a ka hlaha? Ha re inehele 'me re hlahlobe.

Matšoao a Valve hangata a emela tlhaiso-leseling ea bohlokoa joalo ka boholo ba eona, khatello le litekanyetso tsa mocheso, Sebopeho sa lintho tse bonahalang, Brand, tataiso ea ho phalla, le netefatso. Lintlha tsena li bohlokoa khethong e nepahetseng, Ho kenya, le ts'ebetso, Ho netefatsa hore na ke phethe e sireletsehile le e nepahetseng ka nepo.

1. Ho tšoaea boholo ba boholo:“Dn” le “½” Karoloana kapa litlhaku ho valve

Boholo ba li-valve ke paramente ea mantlha ka ho fetisisa, Ho supa lebitso la "phala ea phala ho lekana. Hangata e tšoailoe ka mekhoa e 'ngoe e' meli:

  • Dn (Diameter nominal): Bophara ba lebitso, Setsi sa metric (ka millimeter) sebelisoa ka machabeng (Iso) le European / China (E le 'ngoe / gb) litekanyetso. Ka mohlala, DN50 e bolela Valve ke ea pompo e nang le a 50 Linku.
  • Nps (Boholo ba "): Setsi sa Imperial (ka lisenthimithara) sebelisoa ka litekanyetso tsa Amerika (Asme / ANSI). Ka mohlala, 4″ kapa nps 4 e bonts'a valve ke ea phala ea 4-inch. Ka linako tse ling, palo feela, joalo ka 4, e lahleloa 'meleng.
Boholo ba boholo bo tšoaeang dn nps
Boholo ba boholo bo tšoaeang dn nps

2. Ho tšoasa ha khatello ea mathata: “PN” le lipalo ka valve

Tekanyetso ea khatello e bonts'a khatello e phahameng ea ho sebetsa e phahameng ka ho sebetsa ka mokhoa o sireletsehileng ka mocheso o fanoeng 'me o bohlokoa bakeng sa khetho.

  • Iso / en / GB litekanyetso: E sebelisoa “Khatello ea lebitso” (PN), moo yuniti e leng teng. Boleng ba PN bo emela tekanyetso ea khatello ea mocheso. Mehlala: Pn16, PN40.
  • AME/Ansi Litekanyetso: E sebelisa a “Sehlopha” Sistimi, e ngotsoe joalo ka sehlopha, CL, LB, kapa #. Mehlala e kenyelletsa sehlopha sa 150, 300 #, kapa 150 lb. Sena se emela hore moea o behang khatello, eseng boleng bo sa khaotseng.
  • Litekanyetso tsa projeke e akaretsang:
    • E boima (Metsi, Oli, Khase): E bonts'a litekanyetso tsa khatello ho PSI bakeng sa metsi, Oli, le ts'ebeletso ea khase maemong a tsoang mongobo. Mohlala: 600 E boima.
    • Cwp (Khatello e matla): Boithuto ba Kajeno ba Wog, e boetse e supa khatello e phahameng haholo ka mocheso oa khalefo. Mohlala: 1000 Cwp.
Litekanyetso tsa khatello tsa li-carking weg wes
Litekanyetso tsa khatello tsa li-carking weg wes

3. Ho tšoaea lintho tse bonahalang tsa Valve:

Khoutu ea lintho tsa thepa ke e 'ngoe ea matšoao a bohlokoa ka ho fetisisa, e hlakisa boitsebiso ba likarolo tsa mantlha tse kang 'mele le bonnet.

  • Lahlela Carbon steel: Wcb ke sehlopha se tloaelehileng haholo.
  • Letlapa le se nang mabone: CF8(ho lekana le 304 SS), Cf8m(316 SS), Cf3(304L), Cf3m(316L).
  • Lahlela allow: Wc6, wc9(chrome-elly tšepe bakeng sa ts'ebeletso ea mocheso o phahameng).
  • Lisebelisoa tse thehiloeng: A105(Carbon Sense), A182 F316(ts'epe e sa beng le mabali).
  • Lead: “Lf” e bolela litaba tsa mahala, ho kenyelletsa koporo le bronze.
Valve lisebelisoa tsa Valve Cf8m
Valve lisebelisoa tsa Valve Cf8m

4. Li-valve tsa litaba tsa Valve:

Mosebeletsi o ikhethileng oa tšebeletso (E.g., “Sulfuric acid”) ka kakaretso ha e tšoailoe. Tlhokahalo ea ho ba mahareng e khethoa ke ValveBatla lihlahisoa. Leha ho le joalo, Bakeng sa litšebeletso tse itseng tse khethehileng, Ho sebelisoa matšoao a ikhethang:

  • E boima: E loketse bakeng sa meriana ea oli ea oli ea metsi
  • S: Steam Medium
  • G: Motsamaisi oa Khase

5. Matšoao a Brand ea Valve:

Sena se bua ka letšoao la moetsi la moetsi, logo, kapa khutsufatso ea lebitso, sebelisoa ho khetholla moetsi. Ka mohlala, “BMAG” kapa letšoao le ikhethileng.

6. Ho tšoaha ha tataiso ea Valve:

Bakeng sa li-val tse sa sebetseng joalo ka li-valves tsa naha, Lekola li-valve, le li-valves tsa angle, Letshwao le hlakileng la motsu(→) e tlameha ho akheloa kapa e hatelletsoe 'meleng. Motsu ona o bonts'a tataiso e nepahetseng ea phallo ea media. Ho kenya ka mokhoa o fosahetseng ho ka lebisa ho sa sebetseng kapa ho senya.

Ho tšoaha ha tataiso ea Valve
Ho tšoaha ha tataiso ea Valve

7. Ho tšoaea setsebi sa tšoantšetso:

Maboka ana a bontša hore valve e lumellana le melao le litekanyetso le litekanyetso tsa indasteri.

  • CE: Khutsufatso ea “Matšeliso a Europe,” Ho bontša ho latela bolo ea EU, Bophelo bo botle, le maemo a ts'ireletso ea tikoloho, e hlokahala bakeng sa phihlello ea mmaraka Europe.
  • Api: Setsi sa American Petroleum Setsi sa Setsi sa American sa Setsi sa Amerika se fumanoa hangata khopolo e sebelisoang ho indasteri ea oli le khase.
  • CSA: Mokhatlo oa Litekanyetso tsa Canada, Setifikeiti se hlokahalang ho rekisa lisebelisoa Canada.
  • Ul: Extraritergers laboratories, Setifikeiti ke setifikeiti sa polokeho se fanoeng ke li-laboratories, Khamphani ea Saense ea Lefatše Lohle. E supa hore sehlahisoa, Karolo, kapa sistimi e se e lekiloe 'me e kopana le litekanyetso tse khethehileng tsa polokeho.
Matšoao a Valve a marking csa ul
Matšoao a Valve a marking csa ul

Fumana li-val tsa boleng bo holimo ho BMAG.

Botsa hona joale

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