American Standard alxankaKu xidh ValveSharaxaad Kooban:
Waalka furku wuxuu leeyahay qaab-dhismeed fudud, beddel degdeg ah, iska caabin dareere yar ah, iyo hawl-dhiigfuranka xaglaha ah oo degdeg ah.Xaalad degdeg ah sida shil, dhuumaha si degdeg ah ayaa loogu xidhi karaa ama waa la gooyn karaa.Marka la barbardhigo valves gate iyo globe valves, qalliinku aad ayuu u dabacsan yahay oo dawiruhu wuu dheereeyaa.Waalka furku waxa uu isticmaalaa jidh fur leh oo dalool ah sida xubinta furitaanka iyo xidhitaanka, jidhkuna waxa uu la wareegaa jirida waalka si uu u garto tallaabada furitaanka iyo xidhitaanka.
Codsiga alxanka caadiga ah ee Ameerikaanku wuxuu kala duwan yahay:
Waalka alxanka alxanka caadiga ah ee Ameerika waxa uu ku habboon yahay dhuumaha cadaadiska magaca CLASS150~CLASS600LB, heerkulka shaqada ee -29°C~180°C ee batroolka, kiimikada, dawooyinka, bacriminta, warshadaha korontada, iwm. Warbaahinta Dhuumaha.
Qaab dhismeedka alxanka caadiga ah ee Ameerika wuxuu leeyahay:
1. Alaabtu waxay leedahay qaab-dhismeed macquul ah, xirid la isku halleyn karo, waxqabad aad u fiican iyo muuqaal qurux badan.
2, xidhidhiyaha ee godka alxanka godka waxaa lagu gaaraa by dusha shaabadeynta agagaarka ferrule ah.360° biraha ilaalinta bishimaha gaarka ah.
3. Waalku ma laha dalool uu ku ururiyo dhexdhexaadka.
4, bushimaha birta ah waxay bixisaa saameyn is-nadiifin ah marka cirifka la leexiyo, oo ku habboon maqaarka iyo maqaarka fudud.
5, socodka labada dhinac, fududahay in la isticmaalo oo la rakibo.
6. Maaddada iyo xajmiga qaybaha qaybaha ayaa si macquul ah loo waafajin karaa iyadoo loo eegayo shuruudaha shaqada ee dhabta ah ama shuruudaha isticmaalaha si loo daboolo baahiyaha injineernimada ee kala duwan.
Nooca alxanka caadiga ah ee Ameerikaanka Plug Valve Specification Standard:
Naqshadeynta iyo heerarka wax soo saarka: API599, API6D
Heerka dhererka qaabdhismeedka: ASME B16.10
Heerka flange xidhiidhka: ASME B16.5
Qiimaynta heerkulka cadaadiska: ASME B16.34
Heerka baaritaanka tijaabada: API598.API6D
Halbeegga Ameerikaanka alxanka ah ee cabbirrada farsamada:
Cadaadiska magaca ah (LB) | Cadaadiska tijaabada Shell (MPa) | Cadaadiska tijaabada shaabadaysan (MPa) | heerkulka (℃) | Isticmaalka warbaahinta |
150 | 3.0 | 2.2 | ≤180℃ | WOG |
300 | 7.5 | 5.5 | ||
600 | 15.0 | 11.0 | ||
900 | 22.5 | 16.5 |
Qaybaha valve alxanka caadiga ah ee Ameerika iyo xaaladaha shaqada:
Shayga | Qaybaha | Qalab |
1 | Jirka | ASTM A216 WCB ASTM A217-WC1, WC6, WC9, C5 ASTM A351-CF8, CF8M, CF3, CF3M |
2 | Gacan | PTFE |
3 | Ku xidh | ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304,F316,F321,F304L,F316 |
4 | Gasket | Dabacsan + Biraha Aan Lahayn |
5 | Adj.Gasket | ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304,F316,F321,F304L,F316 |
6 | Bonnet | ASTM A216 WCB ASTM A217-WC1, WC6, WC9, C5 ASTM A351-CF8, CF8M, CF3, CF3M |
7 | Bolt | ASTM A193-B7,A320-B8,A193-B8M |
8 | lowska | ASTM A194-2H,A194-8,A194-8M |
9 | Bolt | ASTM A193-B7,A320-B8,A913-B8M |
10 | Qaban | ASTM A105-WCB |
Tilmaamaha rakibaadda waalka alxanka ah ee caadiga ah ee Ameerika:
1. Ka tag meesha uu tariinka waalka uu wareego.
2. Looma isticmaali karo cuncun.
3. Waalka kubbadda leh habka gudbinta waa in lagu rakibaa si toos ah.