✧ Tlhaloso
Surface Safety valve (SSV) ke hydraulically kapa pneumatically actuated feil-safe valve valve bakeng sa ho hlahloba liliba tsa oli le khase ka litekanyetso tse phahameng tsa phallo, likhatello tse phahameng, kapa boteng ba H2S.
SSV e sebelisetsoa ho koala seliba ka potlako ha ho ka ba le khatello e feteletseng, ho hlōleha, ho lutla ha thepa e ka tlaase ho noka, kapa leha e le efe ea tšohanyetso ea seliba e hlokang ho koaloa hang-hang.
Valve e sebelisoa hammoho le sistimi ea ts'ohanyetso ea ho koala (ESD) 'me hangata e kenngoa ka holim'a metsi a mangata. Valve e sebetsoa ka mokhoa o le mong ka letsoho ka konopo ea push kapa e hlahisoa ka bo eona ke bafofisi ba lifofane tse phahameng / tse tlase.
Ha seteishene se hole se kentswe tshebetsong, phanele ya ho tima ha tshohanyetso e sebetsa jwaloka moamohedi wa letshwao la moya. Yuniti e fetolela lets'oao lena karabelo ea hydraulic e ntšang mali khatello ea mohala ho tsoa ho actuator ebe e koala valve.
Ntle le melemo ea eona ea polokeho le ts'epahalo, Surface Safety Valve ea rona e fana ka ts'ebetso e fapaneng le e tsamaellanang le mefuta e mengata e fapaneng ea meralo ea li-wellhead le lisebelisoa tsa tlhahiso. Ho feto-fetoha ha maemo hona ho etsa hore e be khetho e nepahetseng bakeng sa lits'ebetso tse ncha le lits'ebetso tsa retrofit, ho fa basebelisi tharollo e theko e tlaase bakeng sa ho ntlafatsa bokhoni ba taolo ea seliba.
✧ Tšobotsi
Ho hloleha ho etsa ts'ebetso ea hole le ho koala seliba ka boiketsetso ha tahlehelo ea taolo e etsahala.
Litiiso tse peli tsa tšepe-to-metal bakeng sa ho tšepahala libakeng tse thata.
Bore Size: all popular
Hydraulic actuator: 3,000 psi khatello ea ho sebetsa le 1/2" NPT
Khokahano ea ho kenya le ho tsoa: API 6A flange kapa hamore union
Ho lumellana le API-6A (PSL-3, PR1), NACE MR0175.
Ho bonolo ho qhaqholla le ho hlokomela.
✧ Tlhaloso
| Standard | API Spec 6A |
| Boholo ba lebitso | 1-13/16" ho isa ho 7-1/16" |
| Rate Khatello | 2000PSI ho isa ho 15000PSI |
| Boemo ba tlhahiso ea tlhahiso | NACE MR 0175 |
| Boemo ba mocheso | KU |
| Boemo ba lintho tse bonahalang | AA-HH |
| Boemo ba lintlha | PSL1-4 |
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