Hydraulic wedge heke valve DN400 PN25

1. Tlhaloso le Likarolo tsa Bohlokoa

Hydraulic Wedge Gate Valve ke valve e tsamaeang ka mola moo disc (heke) e nang le sebopeho sa wedge e phahamisoang kapa e theoleloang ke mochini o kenyang metsi ho laola phallo ea mokelikeli.

Lintlha tsa bohlokoa bakeng sa boholo le sehlopha sena:

• Moetso o Feletseng oa Bore: Bophara ba ka hare bo tsamaisana le phaephe (DN400), e bakang ho theoha ha khatello e tlase haholo ha e bulehile ka botlalo mme e lumella ho phunya liphaephe.
• Phallo ea Bidirectional: E loketse ho phalla ka tsela efe kapa efe.
• Setsi se Rising: The stem e phahama ha valve e buloa, e fana ka pontšo e hlakileng ea pono ea boemo ba valve.
• Ho Tiisa ka Metal-to-Tšepe: Ka tloaelo ho sebelisoa lekhalo le lireng tsa litulo tse nang le sefahleho se thata (mohlala, le Stellite) bakeng sa khoholeho ea mobu le ho se mamelle.
• Kaho e Matla: E etselitsoe ho sebetsana le likhatello tse phahameng le matla, tse hlahisang 'mele o boima le o tšoarellang, hangata o tsoang ho tšepe kapa tšepe e entsoeng.

2. Likaroloana tse ka Sehloohong

1. 'Mele: Sebopeho se seholo se nang le khatello, seo hangata se entsoeng ka Carbon Steel (WCB) kapa Stainless Steel (CF8M/316SS). Liphello tse nang le mahlakore a mabeli (mohlala, PN25/ASME B16.5 Sehlopha sa 150) li tloaelehile bakeng sa DN400.
2. Bonnet: E tlameletsoe 'meleng, e boloka kutu 'me e fana ka moeli oa khatello. Hangata bonnet e atolositsoeng e sebelisetsoa merero ea ho pata.
3. Wedge (Heke): Karolo ea bohlokoa ea ho tiisa. Bakeng sa PN25, Flexible Wedge e tloaelehile. E na le sehiloeng kapa groove ho pota-pota pherimitha ea eona e lumellang lekhalo ho kobeha hanyenyane, ho ntlafatsa ho tiisa le ho lefella liphetoho tse nyenyane tsa ho tsamaisa setulo ka lebaka la ho atolosoa ha mocheso kapa khatello ea liphaephe.
4. Stem: Shaft e nang le khoele e matla haholo (mohlala, SS420 kapa 17-4PH Stainless Steel) e fetisang matla ho tloha ho actuator ho ea moeling.
5. Seat Rings: Masale a sefahleho se thata a hatelletsoeng kapa a tšehelitsoeng ka har'a 'mele ao masela a tiisang holim'a 'ona. Ba etsa hore ho koaloe ka thata.
6. Packing: Tiiso (hangata ke graphite bakeng sa mocheso o phahameng) ho pota-pota kutu, e ka har'a lebokose la ho kenya lintho, ho thibela ho lutla ho tikoloho.
7. Hydraulic Actuator: Sesebelisoa sa mofuta oa piston kapa scotch yoke actuator se tsamaisoang ke hydraulic pressure (hangata oli). E fana ka torque e phahameng e hlokahalang ho sebelisa valve e kholo ea DN400 khahlanong le khatello e phahameng ea phapang.

3. Molao-motheo oa ho Sebetsa

• Ho bula: Hydraulic fluid e kenngoa ka har'a actuator, e tsamaisa piston. Motsamao ona o fetoleloa ho motsamao oa rotary (joko ea scotch) kapa mola (linear piston) motsamao o potolohang kutu ea valve. The stem e khoele ka har'a wedge, e e phahamisetsa ka ho feletseng ka har'a bonnet, e sa sitise tsela ea ho phalla.
• Ho koala: Mokelikeli oa Hydraulic o kenngoa ka lehlakoreng le leng la actuator, o khutlisetsa motsamao. The kutu e potoloha le ho sutumelletsa wedge fatše sebakeng se koetsoeng, moo e hatelloa ka thata khahlanong le mehele e 'meli ea litulo, e etsa tiiso.

Tlhokomeliso ea Bohlokoa: Valofo ena e etselitsoe ho itšehla thajana (e butsoe ka botlalo kapa e koetsoe ka botlalo). Le ka mohla ha ea lokela ho sebelisoa bakeng sa ho thothomela kapa ho laola ho phalla, kaha sena se tla baka ho sisinyeha, cavitation, le khoholeho e potlakileng ea wedge le litulo.

4. Likopo tse Tloaelehileng

Ka lebaka la boholo ba eona le tekanyo ea khatello, valve ena e sebelisoa ho batla lits'ebetso tsa indasteri:

• Metsi a Phetisoang le a Phatlalatso: Ho arola likarolo tsa liphaephe tse kholo.
• Lisebelisoa tsa Matla: Lisebelisoa tsa metsi a pholileng, likhoele tsa metsi a fepa.
• Metsi a Tsamaiso ea Liindasteri: Limela tse kholo tsa indasteri.
• Limela tsa Desalination: High-pressure reverse osmosis (RO).
• Merafo le Ts'ebetso ea Liminerale: Liphaephe tse seretse (ka khetho e nepahetseng ea thepa).

5. Melemo le Mefokolo

6. Lintlha tsa Bohlokoa Bakeng sa Khetho le Tšebeliso

• Khetho ea lintho tse bonahalang: Bapisa 'mele / wedge / setulo thepa (WCB, WC6, CF8M, joalo-joalo) le tšebeletso ea mokelikeli (metsi, corrosivity, mocheso).
• Qetella likhokahano: Netefatsa hore litekanyetso tsa flange le sefahleho (RF, RTJ) li ts'oana le phaephe.
• Hydraulic Power Unit (HPU): Sephahla se hloka HPU e arohaneng ho hlahisa khatello ea hydraulic. Nahana ka lebelo le hlokahalang la ts'ebetso, khatello, le taolo (ea lehae / e hole).
• Fail-Safe Mode: The actuator e ka hlalosoa e le Fail-Open (FO), Fail-Closed (FC), kapa Fail-in-Last-Position (FL) ho latela litlhoko tsa polokeho.
• By-Pass Valve: Bakeng sa lisebelisoa tse phahameng tsa khatello, valve e nyenyane ea ho feta (mohlala, DN50) e atisa ho kenngoa ho leka-lekanya khatello ho pholletsa le wedge pele ho bula valve e kholo, ho fokotsa torque e hlokahalang.

Ka kakaretso, Hydraulic Wedge Gate Valve DN400 PN25 ke mosebetsi o boima oa mosebetsi o boima bakeng sa ho emisa ka ho feletseng kapa ho qala ho phalla ha metsi ka liphaephe tse kholo, tse nang le khatello e phahameng. Ts'ebetso ea eona ea hydraulic e etsa hore e tšoanelehe bakeng sa libaka tsa ho itšehla thajana kapa tse ikemetseng.