(1) Li-valve tse sebelisoang pompong ea phepelo ea metsi hangata li khethoa ho latela melaoana e latelang:

1. Ha bophara ba pipe e se kholo ho feta 50mm, valve ea ho emisa e lokela ho sebelisoa.Ha bophara ba phala bo feta 50mm, valve ea heke kapavalve ea serurubelee lokela ho sebelisoa.

2. Ha ho hlokahala ho lokisa phallo le khatello ea metsi, valve e laolang le valve ea ho emisa e lokela ho sebelisoa.

3. Li-valve tsa heke li lokela ho sebelisoa bakeng sa likarolo tse hlokang ho hanyetsa ho phalla ha metsi ho fokolang (joalo ka phala ea ho hula pompo ea metsi).

4. Li-valve tsa heke le li-valve tsa serurubele li lokela ho sebelisoa bakeng sa likarolo tsa liphaephe moo metsi a lokelang ho phalla ka mahlakoreng ka bobeli, 'me li-valve tsa ho emisa ha lia lumelloa.
5. Li-valve tsa butterflyle li-valve tsa bolo li lokela ho sebelisoa bakeng sa likarolo tse nang le sebaka se senyenyane sa ho kenya.

6. Li-valve tsa ho emisa li lokela ho sebelisoa bakeng sa likarolo tsa liphaephe tse atisang ho buloa le ho koaloa.

7. Pipe ea phallo ea pompo ea metsi e bophara bo boholo e lokela ho amohela valve e nang le mesebetsi e mengata

(2) Likarolo tse latelang tsa lipeipi tsa phepelo ea metsi li lokela ho kengoa ka li-valve:
1. Lipeipi tsa phepelo ea metsi libakeng tsa bolulo li hlahisoa ho tsoa lipeiping tsa phepelo ea metsi tsa masepala.

2. Li-node tsa marang-rang a phala ea ka ntle ea lesale sebakeng sa bolulo li lokela ho behoa ho latela litlhoko tsa karohano.Ha karolo ea pipe ea annular e telele haholo, li-valve tsa segmental li lokela ho kenngoa.

3. Qetello e qalang ea phala ea lekala e kopantsoeng ho tloha phala e kholo ea phepelo ea metsi ea sebaka sa bolulo kapa qetellong ea phala ea ntlo.

4. Liphaephe tsa malapa, limithara tsa metsi le li- risers tsa makala (botlaaseng ba pompo e emeng, lipheletsong tse ka holimo le tse ka tlaase tsa leqhubu la marang-rang la phala e thethehileng ea ringpipe).

5. Liphaephe tsa sub-trunk tsa marang-rang a marang-rang a liphaephe le liphaephe tse kopanyang tse tsamaeang ka har'a marang-rang a liphaephe tsa lekala.

6. Sebaka sa ho qala phala ea phepelo ea metsi e kopanyang phala ea phepelo ea metsi ka tlung ho ea malapeng, matloana a sechaba, joalo-joalo, le sebaka sa phepelo ea metsi phaepheng ea lekala ea 6 e behiloe ha ho na le libaka tse 3 kapa ho feta tsa phepelo ea metsi.

7. Pipe ea ho tsoa ea pompo ea metsi le pompo e monyang ea pompo ea metsi e itšebetsang.

8. Liphaephe tse kenang le tse ntšang metsi le lipeipi tse ntšang metsi tsa tanka ea metsi.

9. Liphaephe tsa ho fana ka metsi bakeng sa lisebelisoa (tse kang heaters, litora tse pholileng, joalo-joalo).

10. Lipeipi tsa kabo ea metsi bakeng sa lisebelisoa tsa bohloeki (joaloka matloana, meroto, likotlolo tsa ho hlatsoetsa, lishaoara, joalo-joalo).

11. Lisebelisoa tse ling, tse kang karolo e ka pele ea valve ea ho itima lijo, valve ea khatello ea khatello, metsi a hammer eliminator, gauge gauge, sprinkler cock, joalo-joalo, ka pele le ka morao ea valve e fokotsang khatello le thibelo ea ho khutlela morao, joalo-joalo.

12. Valofo ea drain e lokela ho kenngoa sebakeng se tlaase ka ho fetisisa sa marang-rang a lipeipi tsa metsi.

(3) Theho hlahloba valveka kakaretso e lokela ho khethoa ho latela lintlha tse kang sebaka sa eona sa ho kenya, khatello ea metsi ka pel'a valve, litlhoko tsa ts'ebetso ea ho tiisa ka mor'a ho koaloa, le boholo ba hamore ea metsi e bakoang ke ho koala:
1. Ha khatello ea metsi e ka pel'a valve e nyenyane, ho lokela ho khethoa valve ea ho hlahloba li-ball, valve le valve ea ho hlahloba shuttle.

2. Ha ts'ebetso ea ho tiisa ka thata e hlokahala ka mor'a ho koala, ho eletsoa hore u khethe valve ea ho hlahloba e nang le selemo se koalang.

3. Ha ho hlokahala ho fokolisa le ho koala hamore ea metsi, ho eletsoa hore u khethe valve ea ho hlahloba ka potlako e koalang lerata kapa mochine oa ho hlahloba butle-butle o nang le sesebelisoa sa ho senya.

4. Sesepa kapa mokokotlo oa valve ea ho hlahloba o lokela ho khona ho koala ka bohona tlas'a ketso ea matla a khoheli kapa matla a selemo.

(4) Li-valve tsa ho hlahloba li lokela ho kenngoa likarolong tse latelang tsa lipeipi tsa phepelo ea metsi:

Peiping e kenang;holim'a pipe ea ho kenya metsi ea mocheso oa metsi o koetsoeng kapa thepa ea metsi;karolong ea lipeipi tse ntšang metsi tsa tanka ea metsi, tora ea metsi, le letamo la mobu o phahameng moo pompo ea metsi e kenang le liphaephe tse ntšang metsi li arolelanang phaephe e le 'ngoe.

Tlhokomeliso: Ha ho hlokahale ho kenya valve ea ho hlahloba karolong ea pipe e nang le thibelo ea ho phalla ha pipe.

(5) Lisebelisoa tsa ho ntša metsi li lokela ho kenngoa likarolong tse latelang tsa lipeipi tsa phepelo ea metsi:

1. Bakeng sa marang-rang a liphaephe tsa metsi a sebelisoang ka nakoana, li-drain tse ikemetseng li lokela ho kenngoa qetellong le ntlha e phahameng ka ho fetisisa ea marang-rang a liphaephe.
valve ea khase.

2. Bakeng sa libaka tse nang le ho feto-fetoha ho totobetseng le ho bokella khase ho marang-rang a phaephe ea phepelo ea metsi, valve ea ho qeta ka mokhoa o itekanetseng kapa valve ea manual e kentsoe tlhōrōng ea sebaka seo bakeng sa ho tima.

3. Bakeng sa sesebelisoa sa phepelo ea metsi a khatello ea moea, ha ho sebelisoa tanka ea metsi ea khatello ea moea ka mokhoa o itekanetseng, sebaka se phahameng ka ho fetisisa sa marang-rang a phala ea metsi se lokela ho ba le valve ea ho itima lijo.