A Technical Classification thiab Guide to Butterfly Valve Types
[Butterfly li qub] yog cov khoom siv tseem ceeb hauv cov tshuab tswj dej niaj hnub no, tau txais txiaj ntsig rau lawv txoj kev yooj yim, kev ntseeg tau, thiab tus nqi- ua tau zoo. Lawv versatility, txawm li cas los, stems los ntawm ib tug dav array ntawm designs tailored rau tej yam pressures, kub, media, thiab ua hauj lwm xav tau kev pab. Kev nkag siab zoo ntawm lawv cov kev faib tawm yog qhov tseem ceeb rau kev tsim nyog thiab kev siv. Phau ntawv qhia no muab cov ncauj lus kom ntxaws txog kev sib tsoo ntawm npauj npaim li qub, ua ntej los ntawm kev faib cov qauv thiab tom qab ntawd los ntawm hom valve tshwj xeeb.
Cov lus hauv qab no qhia txog qhov loj me uas siv los faib thiab qhia meej txog kev lag luam npauj npaim li qub.
| Classification Standard | Qeb | Key Sub-Types & Technical Specifications | Lub Hom Phiaj Tseem Ceeb / Qhov Zoo Tshaj Plaws |
|---|---|---|---|
| 1. Los ntawm Kev Sib Txuas Hom | Hom Wafer | Standard wafer, Lug style wafer (nrog threaded inserts). | Txhawm rau muab tus nqi- siv tau, kev sib khi ntawm ob lub raj flanges siv los ntawm -bolts. Tsis tuaj yeem siv ua qhov kawg - ntawm - kab valve. |
| Hom Flanged | ANSI Chav Kawm 125, 150, 300; PN10, PN16, PN25, PN40. | Txhawm rau tsim kom muaj zog, bolted flange - mus rau - flange kev twb kev txuas. Tso cai rau kev cais ntu ntu thiab tsim nyog rau qhov kawg - ntawm - kab kev pabcuam. | |
| Grooved Hom | Tsim los siv nrog tus qauv grooved couplings. | Txhawm rau kom ceev ceev heev, cov cuab yeej - teeb lub teeb tsis muaj vuam lossis threading. Zoo tagnrho rau retrofit thiab modular piping systems. | |
| 2. Los ntawm Txoj Kev Ua Haujlwm | Phau ntawv | Lever Handle: Ua haujlwm ceev 90 degree. Worm Gear (Gearbox): Muab cov khoom siv kom zoo dua qub rau cov valve loj dua / siab dua torque. | Rau cov ntawv thov uas siv phau ntawv, ntawm - chaw ua haujlwm txaus thiab raug nqi - zoo. Tus neeg tsav tsheb iav tso cai rau kev tuav tau yooj yim dua thiab tswj tau zoo dua. |
| Automated | Fais Actuator: Rau ntau-tig lossis quarter- tig tswj. Pneumatic Actuator: Rau kev ceev, txhim khu kev qha rau / tawm lossis kev pabcuam modulating. Hydraulic Actuator: Rau siab torque xav tau heev. | Txhawm rau kom tswj tau cov chaw taws teeb, txheej txheem automation, thiab kev koom ua ke rau hauv kev tswj hwm (xws li SCADA, PLC). | |
| Teeb liab tawm tswv yim | Nruab nrog txwv hloov pauv (mechanical, sib thooj) lossis txoj haujlwm transmitters. | Txhawm rau muab hluav taws xob qhib / kaw cov xwm txheej teeb liab rau lub vaj huam sib luag rau kev saib xyuas, ceeb toom, lossis kev sib cuam tshuam. | |
| 3. Los ntawm Seat Material & Seal Design | Resilient zaum | Lub rooj zaum: EPDM, NBR, Disc: Feem ntau coated (epoxy, nylon) lossis stainless hlau. | Txhawm rau ua kom muaj npuas - kaw nruj - tawm ntawm qhov qis mus rau nruab nrab siab thiab kub. Muaj kev tiv thaiv corrosion zoo heev thiab yog hom ntau tshaj plaws. |
| Hlau zaum | Rooj & Disc: Stainless hlau, stellite, lwm yam nyuaj alloys. Feem ntau muaj qhov "triple-offset" tsim. | Rau siab -kub, siab - siab, los yog abrasive cov kev pab cuam uas resilient cov ntaub ntawv yuav ua tsis tau tejyam (xws li, chav, catalytic cracking). | |
| 4. Los ntawm Siab -Tsuas Kub | Tsawg Siab | ANSI Chav Kawm 125, PN10/16. Hom rau dej thiab kev lag luam dav dav. | Rau lub luag haujlwm txheem hauv kev pabcuam hauv tsev, kev faib dej, thiab qhov cua. |
| Nruab nrab / Siab Siab | ANSI Chav Kawm 150/300, PN25/40. Feem ntau rau cov txheej txheem kev lag luam. | Rau cov txheej txheem kev lag luam daim ntawv thov uas muaj ntau dua system pressures. | |
| 5. Los ntawm lub cev & Disc khoom | Kev Pabcuam General | Lub cev: Cov Hlau Hlau (GGG-40/50). Disc: Hlau nrog epoxy txheej, CF8 Stainless hlau. | Tus qauv ua haujlwm rau dej, dej khib nyiab, thiab tsis yog - tawm tsam. Ductile hlau muab lub zog zoo dua thiab cuam tshuam tiv thaiv cov hlau cam khwb cia. |
| Corrosion Resistant | Lub Cev & Disc: CF8M (316 Stainless Hlau), Alloy 20, Duplex Stainless Hlau. | Rau kev siv tshuaj lom neeg, dej hiav txwv, thiab zaub mov & dej haus uas cuam tshuam nrog kev tawm tsam corrosive lossis tu cev. | |
| Tshwj xeeb Alloy | Lub cev & Disc: Hastelloy, Titanium, Nickel Alloys. | Rau kev pabcuam hnyav heev hauv kev ua tshuaj lom neeg, offshore, thiab petrochemical kev lag luam. |
Khoom Description
Hauv qab no yog cov ncauj lus kom ntxaws ntawm txhua hom valve cov lus piav qhia, cov yam ntxwv tseem ceeb, thiab cov ntawv thov thawj.
Wafer Hom Npauj Npaim Valves
Cov li qub no yog tsim los "clamped" ntawm ob lub yeeb nkab flanges siv ntev los ntawm -bolts. Lawv yog cov feem ntau compact thiab economical hom.
1.Lever-Operated Wafer Npauj Npaim Valve
○ Kev piav qhia: Hom yooj yim tshaj plaws, ua haujlwm los ntawm kev yooj yim 90-degree qib.
○ Cov yam ntxwv tseem ceeb: Qhib / kaw nrawm, pom qhov taw qhia qhov taw qhia (lub zog sib npaug / perp rau cov yeeb nkab), tus nqi qis, thiab lub teeb yuag.
○ Cov ntawv thov tseem ceeb: kev pabcuam qhib / tawm dav dav hauv dej, huab cua, lossis lwm yam tsis yog - xov xwm txaus ntshai uas tsis tas yuav ua haujlwm ntau zaus. Feem ntau hauv kev tsim cov kav dej, irrigation, thiab cua tshuab.
2.Gear-Operated Wafer Npauj Npaim Valve
○ Nqe lus piav qhia: Siv lub log tsheb thiab lub tshuab worm gear kom tig lub qia valve.
○ Cov Nta Tseem Ceeb: Muab cov khoom siv siab zoo, ua haujlwm yooj yim ntawm txoj kab uas hla loj dua li qub los yog li qub nyob rau hauv siab dua. Muab kev tswj xyuas kom meej ntau dua li lub zog.
○ Daim Ntawv Thov Tseem Ceeb: Cov yeeb nkab loj dua (DN200+), cov tshuab uas muaj qhov sib txawv siab dua, lossis qhov chaw ua haujlwm zoo dua, kev tswj hwm yuav tsum tau ua hauv kev kho dej thiab cov kav dej txias.
3.Signal Npauj Npaim Valve
○ Cov lus piav qhia: Ib lub valve tshwj xeeb uas muaj hluav taws xob micro- hloov pauv uas xa cov cim qhib / kaw rau lub vaj huam sib luag.
○ Cov yam ntxwv tseem ceeb: Ua kom muaj kev saib xyuas tej thaj chaw deb thiab lub tswb sib xyaw. Lub cev valve feem ntau yog hom wafer rau kev teeb tsa compact.
○ Cov ntawv thov tseem ceeb: Cov txheej txheem tiv thaiv hluav taws tseem ceeb (raws li lub tswb valve), kev tswj hwm lub tsev, thiab cov txheej txheem uas lub valve yuav tsum tau lees paub hauv chav tswj hwm hauv nruab nrab.
Flanged Hom Npauj Npaim Valves
Cov li qub no muaj ib qho flanges ntawm ob qho kawg uas ntsia liaj qhov rooj ncaj qha rau mating yeeb nkab flanges, tsim kom muaj kev sib txuas zoo, bolted.
4.Lever-Operated Flanged Npauj Npaim Valve
○ Cov lus piav qhia: Lub valve muaj zog nrog flanged kawg thiab lub zog actuator.
○ Cov yam ntxwv tseem ceeb: Lub flanged tsim tso cai rau kev yooj yim installation thiab tshem tawm yam tsis muaj kev cuam tshuam tag nrho cov kav dej. Nws muab qhov muaj zog dua, xau ntau dua - tiv thaiv kev sib txuas dua li wafer hom thiab tuaj yeem siv los ua qhov kawg - ntawm - kab valve.
○ Cov ntawv thov tseem ceeb: Cov chaw kho dej thiab cov dej khib nyiab, cov twj tso kua mis cais tawm, thiab cov txheej txheem kev lag luam uas cov kab ke yuav tsum tau saib xyuas tsis tu ncua.
5.Gear-Operated Flanged Npauj Npaim Valve
○ Cov lus piav qhia: Lub valve muaj zog uas sib txuas flanged xaus rau kev ruaj ntseg, bolted kev twb kev txuas nrog tus cab iav neeg teb xov tooj rau cov neeg kho tshuab kom zoo dua.
○ Cov yam ntxwv tseem ceeb:
Siab -Torque ua haujlwm: Lub gearbox muab cov cuab yeej zoo, ua rau nws muaj peev xwm ua haujlwm loj - txoj kab uas hla (piv txwv li, DN300以上) lossis siab - siab li qub manually yam tsis muaj kev quab yuam ntau dhau.
Kev sib txuas ruaj khov & ruaj ntseg: Tus tsim flanged muaj qhov muaj zog tshaj plaws thiab txhim khu kev qha cov kav dej txuas nrog cov qauv qauv, tsim nyog rau kev teeb tsa mus tas li.
Precise Control: Tso cai rau kev hloov kho kom zoo dua piv rau qib - ua haujlwm li qub.
ruaj khov nyob rau hauv Txhua Txoj Haujlwm: Lub iav mechanism tuav lub disc ruaj ntseg nyob rau hauv ib qho chaw nruab nrab yam tsis muaj drifting.
○ Cov ntawv thov tseem ceeb:
Cov dej loj loj thiab cov dej khib nyiab lojnyob rau hauv municipal thiab industrial nroj tsuag.
Cov txheej txheem kev lag luamnrog rau siab dua los yog viscous media qhov twg txhim khu kev qha, kev tuav tswj kev tuav tswj yog xav tau.
Pump discharge isolationthiab lwm qhov chaw tseem ceeb hauv cov chaw tsim hluav taws xob lossis cov chaw tsim khoom.
Grooved Hom Npauj Npaim Valves
Cov li qub no muaj qhov xaus uas txuas rau cov kav dej siv cov grooved couplings (xws li Victaulic-style). Qhov no tso cai rau kom ceev heev, cuab yeej - teeb installation yam tsis muaj vuam lossis threading.
6.Lever-Operated Grooved Npauj Npaim Valve
○ Cov lus piav qhia: Ib qho nrawm -nruab valve nrog grooved xaus thiab ib tug lever.
○ Cov yam ntxwv tseem ceeb: Lub sij hawm installation ceev tshaj plaws, zoo tagnrho rau retrofit lossis sijhawm-sensitive tej yaam num. Yooj yim tswj thiab kho. Qhov sib txuas grooved haum rau qee cov yeeb nkab misalignment thiab kev co.
○ Cov ntawv thov tseem ceeb: Kev lag luam HVAC systems, hauv cheeb tsam cua txias / cua sov, thiab cov kab dej hauv kev lag luam uas qhov kev teeb tsa ceev thiab yooj yim yog qhov tseem ceeb.
7.Gear-Operated Grooved Npauj Npaim Valve
○ Cov lus piav qhia: Muab qhov nrawm - nruab grooved kev sib txuas nrog tus neeg tsav tsheb iav.
○ Cov yam ntxwv tseem ceeb: Muab cov txiaj ntsig kev teeb tsa ntawm kev sib txuas grooved nrog lub zog torque thiab tswj qhov zoo ntawm tus neeg teb xov tooj iav rau qhov loj dua lossis khov kho li qub.
○ Cov ntawv thov tseem ceeb: Loj txoj kab uas hla chilled dej kab, muaj txheej txheem txias, thiab tsuas slurry systems yuav tsum tau ob qho tib si installation yooj yim thiab txhim khu kev qha phau ntawv tswj.
8.Signal Grooved Npauj Npaim Valve
○ Cov lus piav qhia: Ib qho grooved -kawg valve integrated nrog txoj hauj lwm signaling keyboards.
○ Cov yam ntxwv tseem ceeb: Txoj kev daws teeb meem zoo tshaj plaws rau kev saib xyuas, nrawm - nruab tshuab. Ua ke lub installation ceev ntawm ib tug grooved kev twb kev txuas nrog rau kev ruaj ntseg thiab kev soj ntsuam muaj peev xwm ntawm lub teeb liab tawm tswv yim.
○ Cov ntawv thov tseem ceeb: Niaj hnub nimno hluav taws kub sprinkler risers thiab ua ntej - cov tshuab ua haujlwm, cov ntaub ntawv chaw dej- raws li kev tiv thaiv hluav taws, thiab cov kav dej tseem ceeb uas ob qho tib si kev teeb tsa thiab kev saib xyuas lub valve yog qhov yuav tsum tau ua.
Kev Taw Qhia Kev Xaiv Ceev
| Koj Xav Tau | Pom zoo Valve hom |
|---|---|
| Kev lag luam feem ntau, kev pabcuam dav dav | Lever -Ua Haujlwm Wafer |
| Loj txoj kab uas hla los yog siab - tswj tuav tswj | Iav-Ua haujlwm Wafer |
| Txhim khu kev tuav tswj rau cov kav dej loj | Iav-Operated Flanged |
| Hluav taws sprinkler system nrog tswb vaj huam sib luag | Teeb liab npauj npaim Valve |
| Muaj zog, ruaj khov installation rau cog piping | Lever -Ua haujlwm Flanged |
| Fastest installation rau HVAC los yog retrofit | Lever -Operated Grooved |
| Loj, ceev - nruab kab xav tau kev ua haujlwm yooj yim | Iav{0}}Operated Grooved |
| Saib xyuas kev tiv thaiv hluav taws nrog kev teeb tsa sai | Teeb liab Grooved Npauj Npaim Valve |
Xaus
Npauj npaim valve yog ntau tshaj li qhov yooj yim rau / tawm khoom. Nws qhov kev siv hluav taws xob tiag yog qhib los ntawm kev sib txuas ntawm kev sib txuas (Wafer, Flanged, Grooved) thiab txoj kev ua haujlwm (Lever, Iav, Teeb liab). Kev xaiv hom kom raug suav nrog kev sib piv lub valve lub cev lub cev xav tau kev teeb tsa nrog kev ua haujlwm thiab kev tswj hwm kev xav tau ntawm koj qhov tshwj xeeb. Rau qhov xav tau daim ntawv thov, kev qhia txog li qub nrog lub cev hlau thiab corrosion-Resistant seating kom ntev- lub sij hawm cia siab rau thiab kev ua tau zoo thoob plaws tsev neeg ntawm cov khoom sib txawv no.
