Pilot Operated Valves vs. Relief Valves: Ho Utloisisa Liphapang Tsa Bohlokoa

2024-06-06

Sebakeng sa litsamaiso tsa ho laola mokelikeli, li-valve li phetha karolo ea bohlokoa ho laola khatello, phallo le tsela. Har'a mefuta e fapaneng ea li-valve, li-valve tse sebetsang ka sefofane (POVs) le li-valve tsa liphallelo (RVs) li hlahella e le likarolo tsa bohlokoa ho netefatsa polokeho le ts'ebetso e nepahetseng. Le ha ka bobeli li sebeletsa sepheo sa ho laola khatello, li fapana ka mekhoa ea tsona ea ts'ebetso le lits'ebetso.

Li-valve tse Sebetsang Pilot: Mokhoa o Nepahetseng le o Laoloang

Li-valve tse tsamaisoang ke lifofane, tse tsejoang hape e le li-valve tse leka-lekaneng, li sebelisa li-valve tse thusang ho laola valve e kholoanyane. Moralo ona oa mekhahlelo e 'meli o fana ka melemo e mengata:

 

Taolo e Nepahetseng ea Khatello: Li-POV li fana ka taolo e nepahetseng ka mokhoa o ikhethang, e li etsang hore e be tse loketseng lits'ebetso tseo ho tsona ho leng bohlokoa ho laola khatello.

 

Thepa e Fokotseng le ho Tala: Belofo ea sefofane e sireletsa valve ea mantlha hore e se ke ea pepeseha ka kotloloho khatello ea sistimi, e fokotsa ho senyeha le ho taboha le ho lelefatsa nako ea bophelo ea li-valve.

 

Ho Tiisa ho Phahameng: Li-POV li boloka tiiso e tiileng le ha khatello ea sistimi e ntse e atamela khatello e behiloeng, e thibela ho lutla le ho netefatsa bots'epehi ba sistimi.

 

Ho feto-fetoha ha Likopo: Li-POV li sebetsa ka mefuta-futa 'me li khona ho sebetsana le likhatello tse ngata, maro le maemo a ts'ebetso.

 

Li-valve tsa Thuso: Ho Sireletsa Lits'ebetso ho Khatello e Feteletseng

Li-valve tsa liphallelo, tse tsejoang hape e le li-valve tsa polokeho, li sebetsa e le letlooa la polokeho bakeng sa litsamaiso tsa mokelikeli, ho thibela khatello e feteletseng le likotsi tse ka bang teng. Li sebetsa ka ho bula ka boiketsetso ha khatello ea sistimi e feta sebaka se reriloeng esale pele, e lokolla khatello e feteletseng ho sireletsa sistimi.

 

Phokotso ea Khatello e Potlakileng: Li-RV li fana ka liphallelo tse potlakileng tsa khatello, li sireletsa ka katleho litsamaiso ho tsoa khatellong ea tšohanyetso.

 

Bonolo ba Moralo: Li-RV li entsoe ka mokhoa o bonolo, li etsa hore ho be bonolo ho li kenya, ho li hlokomela le ho li rarolla.

 

Tharollo e Sebeletsang Litšenyehelo: Hangata li-RV li na le litšenyehelo tse ngata ha li bapisoa le li-POV.

 

Ho Khetha Valve e Nepahetseng bakeng sa Litlhoko tsa Hao

Khetho pakeng tsa valve e tsamaisoang ke sefofane le valve ea liphallelo e itšetlehile ka litlhoko tse khethehileng tsa kopo le ts'ebetso. Kakaretso ke ena ho tataisa qeto ea hau:

 

Bakeng sa taolo e nepahetseng ea khatello le lits'ebetso tse hlokang ho lutla hanyane, li-POV ke khetho e ratoang.

 

Bakeng sa tšireletso e feteletseng le ho imolla khatello ka potlako lits'ebetsong tse sa tsotelleng litšenyehelo, li-RV ke tharollo e nepahetseng.

Tlohela Molaetsa wa Hao

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