API 6D/API 608 Khatello e Phahameng ea ho Lahlela/Ho Theha Bw Floating/Trunnion Dbb Buka ea Manual/Motlakase/Pneumatic Cryogenic Eccentric Semi-Ball Valve
Valve ea bolo ea DBB trunnion ke eng?
Valve ea bolo ea trunnion ea DBBke valve e entsoeng ka mokhoa o khethehileng oa bolo.
Ha e le sistimi ea Double block le bleed valve, ho na le litlhaloso tse peli tsa API6D le OSHA.
OSHA e hlalosaVala ea bolo ea trunnion ea DBBSistimi e le "ho kwalwa ha mohala, mothapo, kapa phaephe ka ho kwala le ho notlela kapa ho tšoaea di-valve tse pedi tse kahare le ka ho bula le ho notlela kapa ho tšoaea valve ya drain kapa ya moya moleng o pakeng tsa di-valve tse pedi tse kwetsweng".
eValve ea bolo ea trunnion ea NORTECH DBBe entsoeKa ho kopanya di-valve tse pedi mmeleng o le mong, moralo wa di-valve tse pedi o fokotsa boima le ditsela tse ka bang teng tsa ho dutla ha o ntse o fihlela ditlhoko tsa OSHA bakeng sa ho thibela le ho ntsha madi habeli.
API 6D e hlalosa Sistimi ea valve ea bolo ea DBB trunnion e le "valve e le 'ngoe e nang le libaka tse peli tsa litulo tseo, ha li koetsoe, li fanang ka tiiso khahlanong le khatello e tsoang lipheletsong tse peli tsa valve ka mokhoa oa ho ntša/ho ntša mali sekoting se pakeng tsa libaka tsa litulo."
Likarolo tse ka sehloohong tsa valve ea bolo ea trunnion ea DBB
Yuniti e le 'NgoeVala ea bolo ea trunnion ea DBB e fana ka boloko bo habeli le ho ntsha madi ka har'a valve e le 'ngoe. Mokhoa ona o ka arola liphaephe mahlakoreng ka bobeli a valve ho ntša moea/tšolla mali ka har'a valve pakeng tsa litulo.
Ho sebelisa sistimi ea li-valve tse peli tsa yuniti e le 'ngoe le sistimi ea li-valve tse ntšang mali ha ho bapisoa le li-valve tse 3 tse arohaneng ho boloka nako ea ho kenya, boima tsamaisong ea liphaephe le sebaka. Moralo ona o boetse o na le melemo ea ts'ebetso,
- Ho na le litsela tse fokolang haholo tse ka bang teng tsa ho dutla ha metsi ka hare ho karolo e habeli ea li-block le e nang le mali a mangata ea phaephe.
- Likarolo tsohle tsa li-valve li bolokiloe ka har'a yuniti e le 'ngoe, sebaka se hlokahalang bakeng sa ho kenngoa se fokotsehile haholo kahoo se lokolla sebaka bakeng sa lisebelisoa tse ling tsa bohlokoa.
- Ho hlokahala linako tse khutšoanyane tsa ho ntša metsi.
Vala ea bolo ea trunnion ea DBB ke motsoako oa li-valve tse le 'ngoe kapa tse ngata tsa block/apart, hangata li-valve tsa bolo, le li-valve tse le 'ngoe kapa tse ngata tsa bleed/vent, hangata li-valve tsa bolo kapa tsa nale. Morero oa sistimi ea block le bleed valve ke ho arola kapa ho thibela phallo ea mokelikeli tsamaisong e le hore mokelikeli o tsoang holimo o se ke oa fihla likarolong tse ling tsa sistimi tse tlase. Sena se nolofalletsa baenjiniere ho ntša mali kapa ho ntša kapa ho ntša mokelikeli o setseng tsamaisong e ka lehlakoreng le tlase e le hore ba etse mosebetsi oa mofuta o itseng (tlhokomelo/ tokiso/ phetolo), ho nka lisampole, ho fapoha ha phallo, ho kenngoa ha lik'hemik'hale, ho hlahloba botšepehi ba ho lutla jj.
Tlhaloso ea tekheniki ea valve ea bolo ea trunnion ea DBB
Pontšo ea Sehlahisoa: Valve ea bolo ea trunnion ea DBB
Tšebeliso ea valve ea bolo ea trunnion ea DBB
Li-valve tsa bolo ea trunnion tsa DBBLi sebelisoa haholo indastering ea oli le khase, empa li ka boela tsa thusa liindastering tse ling tse ngata. Hangata li sebelisoa moo ho hlokahalang ho ntša mali ka har'a valve cavity, moo liphaephe li hlokang ho aroloa bakeng sa tlhokomelo, kapa bakeng sa maemo afe kapa afe a mang ana:
- Thibela tšilafalo ea sehlahisoa.
- Tlosa lisebelisoa tšebeletsong bakeng sa ho hloekisa kapa ho lokisa.
- Tekanyo ea mithara.
- Arola lisebelisoa tse kang litsupa tsa khatello le li-lever gauge.
- Mouoane oa ts'ebetso ea mantlha.
- Kwala le ho ntsha disebediswa tsa ho lekanya kgatello.
