1. Bophara
Mekhahlelo ea DN e kenyelletsa DN15mm ~ 600mm(1/2”~24”) le PN ranges ho tloha PN1.6MPa~20MPa(ANSI CLASS150~1500) e khoele, flanged, BW le SW swing le e phahamisa valve ea cheke.
2. Tšebeliso:
2.1 Valofo ena ke ho thibela phallo e bohareng e khutlela morao tsamaisong ea liphaephe.
2.2 Lisebelisoa tsa li-valve li khethoa ho ea ka seaplane.
2.2.1 valve ea WCB e loketse metsi, mouoane le oli, joalo-joalo.
2.2.2SS valve ke e loketseng bakeng sa corrosion medium.
2.3Mocheso:
2.3.1WCB e tloaelehileng e loketse mocheso -29 ℃ ~+425 ℃
2.3.2 Alloy valve e loketse mocheso≤550 ℃
2.3.3SS valve e loketse mocheso-196 ℃ ~+200 ℃
3. Sebopeho le litšobotsi tsa tshebetso
3.1 Sebopeho sa motheo se ka tlase:
3.2 PTFE le graphite e feto-fetohang e amoheloa bakeng sa gasket e senyehang ho netefatsa ts'ebetso ea ho tiisa.
(A) Welding e entsoeng ka khatello e phahameng ea ho itšeha e phahamisa valve
(B) Welding forged lifting cheque valve
(C) BW Lifting Check Valve (D) Flanged Check Valve
- 'Mele 2. Disc 3. Shaft 4. Gasket 5. Bonnet
(E)BW Swing Check Valve
(F) Flanged Swing Check
3.3 Likaroloana Tse Ka sehloohong Boitsebiso
| Lebitso | Lintho tse bonahalang | Lebitso | Lintho tse bonahalang |
| 'Mele | Tšepe ea Carbon, SS, Alloy Steel | Pin Shaft | SS, Cr13 |
| Setulo Tiiso | Surfacing13Cr, STL, Rubber | Joko | Tšepe ea Carbon, SS, Alloy Steel |
| Diski | Tšepe ea Carbon, SS, Alloy Steel | Gasket | PTFE, Flexible Graphite |
| Letsoho la Rocker | Tšepe ea Carbon, SS, Alloy Steel | Bonnet | Tšepe ea Carbon, SS, Alloy Steel |
3.4 Chate ea Ts'ebetso
| Lintlha | Teko ea matla (MPa) | Teko ea tiiso (MPa) | Teko ea tiiso ea moea (MPa) |
| Sehlopha sa150 | 3.0 | 2.2 | 0.4~0.7 |
| Sehlopha sa300 | 7.7 | 5.7 | 0.4~0.7 |
| Sehlopha sa600 | 15.3 | 11.3 | 0.4~0.7 |
| Sehlopha sa900 | 23.0 | 17.0 | 0.4~0.7 |
| Sehlopha sa1500 | 38.4 | 28.2 | 0.4~0.7 |
| Lintlha | Teko ea matla (MPa) | Teko ea tiiso (MPa) | Teko ea tiiso ea moea (MPa) |
| 16 | 2.4 | 1.76 | 0.4~0.7 |
| 25 | 3.75 | 2.75 | 0.4~0.7 |
| 40 | 6.0 | 4.4 | 0.4~0.7 |
| 64 | 9.6 | 7.04 | 0.4~0.7 |
| 100 | 15.0 | 11.0 | 0.4~0.7 |
| 160 | 24.0 | 17.6 | 0.4~0.7 |
| 200 | 30.0 | 22.0 | 0.4~0.7 |
4. Khopolo-taba ea mosebetsi
Cheka valve e bula ka bo eona ebe e koala disc ho thibela phallo e mahareng ka morao ka phallo e mahareng.
5. Litekanyetso tsa li-valve tse sebetsang empa ha li felle feela ho:
(1) API 6D-2002 (2) ASME B16.5-2003
(3) ASME B16.10-2000 (4) API 598-2004
(5)GB/T 12235-1989 (6)GB/T 12236-1989
(7)GB/T 9113.1-2000 (8)GB/T 12221-2005 (9)GB/T 13927-1992
6. Polokelo & Tlhokomelo & Ho kenya & Ts'ebetso
6.1 Belofo e lokela ho bolokoa ka phapusing e ommeng le e nang le moea o motle.
6.2 Li-valve tlas'a polokelo ea nako e telele li lokela ho hlahlojoa le ho hloekisoa khafetsa, haholo-holo sefahleho se lutseng ho thibela tšenyo ea sona, 'me sefahleho se lutseng se lokela ho tlotsoa ka oli e thibelang mafome.
6.3 Ho tšoaea li-valve ho lokela ho hlahlojoa ho lumellana le tšebeliso.
6.4 Mokoti oa valve le sebaka se koalang se lokela ho hlahlojoa pele ho kenngoa le ho tlosa litšila haeba ho le teng.
6.5Taelo ea motsu e lokela ho tšoana le tsela ea ho phalla.
6.6 Ho phahamisa valve ea ho hlahloba disc e lokela ho kenngoa ka holimo ho phaephe. Ho phahamisoa ha valve ea ho hlahloba disc e otlolohileng e lokela ho kengoa ka mokhoa o otlolohileng ho phaephe.
6.7 Ho thothomela ho lokela ho hlahlojoa le phetoho ea khatello e mahareng ea lipeipi ho thibela phello ea metsi.
- Mathata a ka bang teng, lisosa le mehato ea tokiso
| Mathata a ka Etsahalang | Lisosa | Mohato oa ho Lokisa |
| Diski ha e kgone ho bula kapa ho kwala |
| |
| Ho dutla |
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| Lerata le Vibration |
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8. Tiisetso
Ka mor'a hore valve e sebelisoe, nako ea tiiso ea valve ke likhoeli tse 12, empa ha e fete likhoeli tse 18 ka mor'a letsatsi la ho pepa. Nakong ea tiisetso, moetsi o tla fana ka litšebeletso tsa tokiso kapa likarolo tse ling ntle le tefo bakeng sa tšenyo e bakiloeng ke thepa, moetso kapa tšenyo ha feela ts'ebetso e nepahetse.
Nako ea poso: Nov-10-2020