Double Block And Bleed Ball Valve
Valve ea bolo e nang le boloko e habeli le e ntšitsoeng mali ke eng?
Double Block And Bleed Ball Valveke 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.
API 6D e hlalosaValve ea ho Thibela habeli le ho tsoa maliSistimi e le "valve e le 'ngoe e nang le libaka tse peli tsa litulo, e leng se etsang hore ho be le 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."
OSHA e hlalosaValve ea ho Thibela habeli le ho tsoa maliSistimi 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".
eNORTECH e nang le boloko bo habeli le valve ea bolo e tsoang malie 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.
Likarolo tsa mantlha tsa Double block le bleed ball valve
Double Block And Bleed Ball Valveke 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.
Yuniti e le 'NgoeValve ea ho Thibela habeli le ho tsoa malie 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.
- Li-valve li tletse mokoti o nang le lesoba la phallo le sa khaotseng, li na le phokotso e nyenyane ea khatello ho pholletsa le yuniti.
- Liphaephe tseo li-valve tsena li kenngoang ho tsona le tsona li ka koaheloa ntle le mathata.
- 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.
Tlhaloso ea tekheniki ea Double block le bleed ball valve
Pontšo ea Sehlahisoa:
Tšebeliso ea li-valve tsa bolo tse peli tse nang le li-block le tse tsoang mali
Li-valve tsa bolo tse peli tse nang le bolo le tse tsoang maliLi 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.
- Tšebeletso ea metsi haufi le litsela tsa metsi kapa metse.
- Phetisetso le polokelo.
- Ente ea lik'hemik'hale le ho nka sampole.
- 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.
