Seo U Lokelang ho se Tseba ka Li-valve tsa Serurubele tsa AWWA

Ha ho tluoa meralong ya motheo ya mesebetsi ya metsi, kalafo ya metsi a ditshila, le ditsamaiso tsa diphaephe tsa masepala, mefuta e mmalwa ya di-valve e tshepahalang le e sebediswang haholo jwalo kaAWWA serurubele valveLi tsebahala ka ho boloka litšenyehelo tsa tsona hantle, bonolo ba ts'ebetso, le bophelo bo bolelele ba ts'ebeletso, li-valve tsena li bapala karolo ea bohlokoa ho laoleng phallo lits'ebetsong tsa metsi tse bophara bo boholo. Empa ke eng e li etsang hore li hlahelle, hona u khetha e nepahetseng joang bakeng sa ts'ebeliso ea hau?

Sehloohong sena, re tla akaretsa sohle seo o hlokang ho se tseba kaLi-valve tsa serurubele tsa AWWA—ho tloha maemong le kaho ho isa lits'ebetsong le malebela a bohlokoa a khetho.

1. Valve ea Serurubele ea AWWA ke Eng

An AWWA serurubele valveke mofuta oa valve ea kotara e phetoang e etselitsoeng ho laola kapa ho arola phallo ea metsi, haholo-holo mesebetsing ea metsi le lits'ebetsong tsa metsi a litšila. Khutsufatso ea "AWWA" e emelaMokhatlo oa Mesebetsi ea Metsi oa Amerika, e behang maemo a moralo, tlhahiso le ts'ebetso ea li-valve tse sebelisoang lits'ebetsong tsa metsi tsa masepala le tsa indasteri.

Tlhaloso e tloaelehileng haholo bakeng sa li-valve tsena keAWWA C504, e hlalosang litlhoko tsa li-valve tsa serurubele tse lutseng rabara ho tloha ho lisenthimithara tse 75 ho isa ho lisenthimithara tse 1800 ka bophara.

2.Litšobotsi tsa Bohlokoa tsa Li-valve tsa Serurubele tsa AWWA

1. Ts'ebetso ea ho Fetola Kotara
   Disiki e potoloha ka di-degree tse 90 ho bula kapa ho kwala tsela ya phallo ka botlalo, e leng se nolofalletsang tshebetso e potlakileng le tahlehelo e fokolang ya kgatello.

2. Ho Lula ka Matla
   Li-valve tsena li sebelisa litulo tsa rabara kapa tsa elastomeric ho netefatsa hore lia koaloa hantle le ho thibela ho lutla, esita le ka mor'a tšebeliso e telele.

3. Khanyetso ea ts'enyeho
   Liaparo tsa ka hare le tsa kantle (hangata epoxy) li sireletsa 'mele oa valve le disc khahlanong le ho bola maemong a thata a metsi.

4. Moralo o Monyenyane
   Ha ho bapisoa le li-valve tsa heke, li-valve tsa serurubele tsa AWWA li bobebe 'me li nka sebaka se senyenyane, e leng se loketseng bakeng sa ho kenngoa ka thata.

5. Bophelo bo Bolelele ba Tšebeletso
   Ka tlhokomelo e nepahetseng, li-valve tsena li ka nka lilemo tse mashome li ntse li sebetsa, haholo-holo ha ho sebelisoa metsi a hloekileng.

3.AWWA C504 Khahlanong le AWWA C516

Ha a ntse aAWWA C504e koahela li-valve tse tloaelehileng tsa serurubele tse lutseng rabara, e nchaAWWA C516liatereseli-valve tsa serurubele tse sebetsang hantle (HPBVs), tse loketseng bakeng sa kgatello e phahameng le ditshebediso tse boima haholo.

4.Mokhoa oa ho Khetha Valve e Nepahetseng ea AWWA Butterfly

1. Boholo ba Phaephe le Tekanyetso ea Khatello
   Bapisa boholo ba valve le sehlopha le litlhoko tsa sistimi. Li-valve tsa AWWA li fumaneha ka lihlopha tse ngata tsa khatello (mohlala, 150A, 150B).

2. Mecha ea litaba ea litšebeletso
   Netefatsa hore e lumellana le metsi, metsi a litšila, kapa maro a mang.

3. Maemo a Ts'ebetso
   Lekola maemo a mocheso, khatello, le hore na ho hlokahala ho thiba kapa ho itšehla thajana.

4. Qetella Likhokahano
   Li-valve tsa serurubele tsa AWWA li fumaneha ka lipheletso tse nang le mahlakore a otlolohileng, a nang le likhutlo tse otlolohileng, kapa a kopantsoeng ka mechine.

5. Mokhoa oa ho Sebetsa
   Khetha pakeng tsa ts'ebetso ea lisebelisoa tsa letsoho, li-actuator tsa motlakase, litsamaiso tsa pneumatic kapa tsa hydraulic ho latela litlhoko tsa othomathiki ea sistimi.

6. Lisetifikeiti
   Netefatsa hore valve e latela maemo a AWWA, 'me haeba e sebelisoa lits'ebetsong tsa metsi a nooang, e lokela ho ba le setifikeiti sa NSF 61.