Npauj Npaim li qub yog cov khoom tseem ceeb rau kev tswj cov kav dej ntws hauv ntau qhov kev lag luam. Ntawm ntau hom muaj, wafer thiab flange npauj npaim li qub thiab ib leeg-flange npauj npaim li qub sawv tawm rau lawv cov yam ntxwv tshwj xeeb thiab kev siv. Hauv kev txheeb xyuas qhov sib piv no, peb yuav tshawb xyuas qhov tsim, kev ua haujlwm, qhov zoo, thiab kev txwv ntawm peb hom no kom nkag siab txog lawv qhov kev tsim nyog hauv cov xwm txheej sib txawv.
Nco tseg: Ntawm no peb xa mus rau Centerline Valve,Concentric Valve.
Ib. Taw qhia
1. Dab tsi yog wafer npauj npaim valve
Npauj Npaim Valve: Hom valve no yog tsim los nruab nruab nrab ntawm ob lub yeeb nkab flanges, feem ntau yog wafer flange. Nws muaj ib tug slim profile nrog ib tug valve phaj uas rotates ntawm ib tug ncej los tswj kev khiav.
Qhov zoo ntawm wafer npauj npaim valve:
· Lub wafer-hom npauj npaim valve muaj cov qauv luv luv, uas txhais tau hais tias nws yog cov qauv nyias, uas ua rau nws tsim nyog rau ib puag ncig uas muaj qhov chaw tsawg.
· Lawv muab ob txoj hauv kev, kaw nruj thiab tsim nyog rau cov tshuab uas yuav tsum tau ua kom qis mus rau nruab nrab.
· Lub ntsiab kom zoo dua ntawm wafer npauj npaim valve yog nws compact tsim.
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2. Dab tsi yog flange npauj npaim valve
Flange npauj npaim valve: Lub flange npauj npaim valve muaj ib qho flanges ntawm ob sab thiab tuaj yeem ncaj qha bolted ntawm flanges hauv cov raj xa dej. Piv rau pinch li qub, lawv muaj qhov ntev ntawm kev tsim kho.
Qhov zoo ntawm flange npauj npaim valve:
· Lub flange npauj npaim valve muaj flange kawg uas ncaj qha bolted rau cov yeeb nkab flange. Qhov kev tsim no ua rau kom muaj zog thiab ruaj khov, ua rau nws tsim nyog rau cov ntawv siv hluav taws xob siab uas muaj kev nyab xeeb kev sib txuas yog qhov tseem ceeb.
· Flange npauj npaim li qub kuj yooj yim rau nruab thiab disassemble, yog li yooj yim txij nkawm thiab txuag nqi.
· Lub flange npauj npaim valve tuaj yeem ntsia tau rau ntawm qhov kawg ntawm cov kav dej thiab siv los ua qhov kawg valve.
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3.Dab tsi yog ib qho flange npauj npaim valve
Cov qauv ntawm covib leeg flange npauj npaim valveyog tias muaj ib qho flange nyob rau hauv longitudinal nruab nrab ntawm lub valve lub cev, uas yuav tsum tau kho nyob rau hauv lub flange ntawm cov yeeb nkab nrog ntev bolts.
Qhov zoo ntawm ib qho flange npauj npaim valve:
· Nws muaj qhov ntev ntawm tus npauj npaim valve clamped thiab occupies ib cheeb tsam me me.
· Cov yam ntxwv txuas ruaj khov zoo ib yam li cov flange npauj npaim li qub.
· Tsim nyog rau nruab nrab thiab qis zog.
OB. qhov txawv
1. Cov qauv kev sib txuas:
a) Wafer npauj npaim valve: Lub valve no feem ntau yog kev sib txuas ntau tus qauv thiab tuaj yeem sib xws nrog DIN PN6 / PN10 / PN16, ASME CL150, JIS 5K / 10K, thiab lwm yam.
b) Flange npauj npaim valve: feem ntau yog ib qho kev sib txuas. Tsuas yog siv cov txheej txheem flange sib txuas.
c) Ib qho flange npauj npaim valve: feem ntau kuj muaj ib qho kev sib txuas.
2. Qhov ntau thiab tsawg
a) Wafer npauj npaim valve: DN15-DN2000.
b) Flange npauj npaim valve: DN40-DN3000.
c) Ib qho flange npauj npaim valve: DN700-DN1000.
3. Kev teeb tsa:
a) Kev teeb tsa ntawm wafer npauj npaim li qub:
Kev txhim kho yog qhov yooj yim vim lawv tuaj yeem ua rau ntawm ob lub flanges siv 4 qhov ntev stud bolts. Bolts dhau los ntawm flange thiab valve lub cev, qhov teeb tsa no tso cai rau kev teeb tsa sai thiab tshem tawm.
b) Kev teeb tsa ntawm flange npauj npaim valve:
Txij li thaum muaj cov flanges tseem ceeb ntawm ob sab, flange li qub loj dua thiab xav tau ntau qhov chaw. Lawv tsau ncaj qha rau cov yeeb nkab flange nrog luv studs.
c) Kev teeb tsa ntawm ib lub flange npauj npaim valve:
yuav tsum tau ntev ob lub taub hau bolts sandwiched ntawm ob flanges ntawm cov yeeb nkab. Tus naj npawb ntawm bolts xav tau yog qhia hauv cov lus hauv qab no.
| DN 700 Nws | DN750 ua | DN 800 Nws | DN900 Nws | DN1000 |
| 20 | 28 | 20 | 24 | 24 |
4. Tus nqi:
a) wafer npauj npaim valve: Piv nrog flange li qub, wafer li qub feem ntau yuav raug nqi ntau dua. Lawv qhov kev tsim kho luv luv yuav tsum muaj cov khoom siv tsawg thiab tsuas yog plaub lub bolts, yog li txo cov nqi tsim khoom thiab kev teeb tsa.
b) Flange Npauj Npaim Valve: Flange li qub yuav kim dua vim lawv cov khoom siv thiab cov flange tseem ceeb. Cov bolts thiab installation yuav tsum tau rau flange kev sib txuas ua rau cov nqi siab dua.
c) Ib qho flange npauj npaim valve:
Lub ib leeg-flange npauj npaim valve muaj ib qho flange tsawg dua li ob-flange npauj npaim valve, thiab kev teeb tsa yooj yim dua li ob lub flange npauj npaim valve, yog li tus nqi nyob hauv nruab nrab.
5. Siab siab:
a) Wafer npauj npaim valve: Piv nrog flange valve, qhov kev siv siab ntawm wafer npauj npaim valve yog qis dua. Lawv tsim nyog rau kev siv hluav taws xob tsawg PN6-PN16.
b) Flange npauj npaim valve: Vim nws cov qauv ruaj khov thiab ib qho flange, lub flange valve yog tsim rau cov qib siab siab, PN6-PN25, (nruab-sau npauj npaim li qub tuaj yeem ncav cuag PN64 lossis siab dua).
c) Ib qho flange npauj npaim valve: ntawm wafer npauj npaim valve thiab flange npauj npaim valve, haum rau PN6-PN20 daim ntaub ntawv.
6. Daim ntawv thov:
a) Wafer Npauj Npaim Valve: Feem ntau siv nyob rau hauv HVAC systems, cov chaw kho dej thiab cov ntawv thov kev lag luam uas tsis tshua muaj qhov chaw thiab cov nqi siv tau yog qhov tseem ceeb. Rau siv nyob rau hauv cov kav dej uas qhov chaw muaj tsawg thiab tsis tshua muaj siab poob siab. Lawv muab ceev ceev, muaj txiaj ntsig tswj ntawm tus nqi qis dua li flanged li qub.
b) Flange npauj npaim valve: Flange li qub yog siv hauv kev lag luam xws li roj thiab roj, kev ua tshuaj lom neeg thiab lub zog tsim hluav taws xob, qhov chaw siab dua thiab kev ua tau zoo sealing tseem ceeb heev. Vim tias flange npauj npaim li qub tuaj yeem xa cov qib siab dua thiab kev sib khi zoo dua thiab muaj zog sib txuas. Thiab lub flange npauj npaim valve tuaj yeem ntsia tau rau ntawm qhov kawg ntawm cov kav dej.
c) Ib qho flange npauj npaim valve:
Ib qho flange npauj npaim li qub feem ntau yog siv rau hauv cov dej hauv nroog, kev lag luam xws li tshuaj lom neeg, cov khoom siv roj av thiab cov dej khib nyiab, tswj cov cua sov lossis dej txias hauv HVAC systems, dej phwj tuaj kho, khoom noj khoom haus thiab dej haus kev lag luam thiab lwm yam kev lag luam.
PEB. nyob rau hauv xaus:
Wafer npauj npaim li qub, flange npauj npaim li qub thiab ib qho flange npauj npaim li qub txhua tus muaj qhov tshwj xeeb zoo thiab tsim nyog rau kev siv sib txawv. Wafer npauj npaim li qub yog nyiam rau lawv cov qauv luv luv, tsim qauv tsim, kev ua haujlwm siab thiab kev teeb tsa yooj yim. Ib qho flange npauj npaim li qub kuj yog qhov zoo tagnrho rau nruab nrab thiab qis qis nrog qhov chaw txwv vim lawv cov qauv luv. Flanged li qub, ntawm qhov tod tes, ua tau zoo hauv cov ntawv thov kev siv siab uas xav tau kev sib khi zoo heev thiab kev tsim kho rugged, tab sis raug nqi ntau dua.
Nyob rau hauv luv luv, yog hais tias cov yeeb nkab clearance yog txwv thiab lub siab yog tsis tshua muaj siab DN≤2000 system, koj muaj peev xwm xaiv ib tug wafer npauj npaim valve;
Yog tias cov yeeb nkab tshem tawm tau txwv thiab lub siab yog nruab nrab lossis qis, 700≤DN≤1000, koj tuaj yeem xaiv ib lub flange npauj npaim valve;
Yog tias cov yeeb nkab tshem tawm txaus thiab lub siab yog nruab nrab lossis tsis tshua muaj siab DN≤3000, koj tuaj yeem xaiv flange npauj npaim valve.