Hydraulic wedge rooj vag valve DN400 PN25

1. Cov lus piav qhia thiab cov yam ntxwv tseem ceeb

Lub Hydraulic Wedge Gate Valve yog ib qho kev tawm suab valve qhov twg lub npoo-puab disc (lub rooj vag) tau tsa lossis txo qis los ntawm hydraulic actuator los tswj cov dej ntws.

Cov yam ntxwv tseem ceeb rau qhov loj thiab chav kawm no:

• Tag Nrho Kev Tsim Nyog: Lub taub sab hauv sib tw nrog cov yeeb nkab (DN400), uas ua rau muaj kev poob qis heev thaum qhib siab thiab tso cai rau cov raj xa dej.
• Bidirectional Flow: Haum rau kev khiav hauv ob qho tib si.
• Rising Stem: Lub qia nce thaum lub valve qhib, muab qhov pom tseeb ntawm lub valve txoj hauj lwm.
• Hlau-rau-Hloov Sealing: Feem ntau siv lub nplhaib thiab lub rooj zaum uas nyuaj-ntsej muag (xws li nrog Stellite) rau kev yaig thiab hnav tsis kam.
• Kev tsim kho muaj zog: Tsim los tswj cov kev kub ntxhov thiab kev quab yuam, ua rau lub cev hnyav thiab ruaj khov, feem ntau los ntawm cam khwb cia lossis forged steel.

2. Cov Cheebtsam tseem ceeb

1. Lub cev: Cov qauv tseem ceeb uas muaj lub siab, feem ntau yog ua los ntawm Carbon Steel (WCB) lossis Stainless Hlau (CF8M / 316SS). Flanged kawg (piv txwv li, PN25 / ASME B16.5 Chav Kawm 150) yog tus qauv rau DN400.
2. Bonnet: Bolted rau lub cev, tsev lub qia thiab muab ciam teb siab. Feem ntau ib lub kaus mom txuas ntxiv yog siv rau lub hom phiaj rwb thaiv tsev.
3. Ntug (Gate): Qhov tseem ceeb sealing tivthaiv. Rau PN25, ib qho Flexible Wedge yog ntau. Nws muaj qhov txiav los yog zawj nyob ib ncig ntawm nws qhov perimeter uas tso cai rau lub wedge kom flex me ntsis, txhim kho kev sib khi thiab them nyiaj rau cov kev hloov me me hauv kev sib haum xeeb ntawm lub rooj zaum vim yog thermal expansion lossis yeeb nkab kev nyuaj siab.
4. qia: Lub zog muaj zog threaded ncej (piv txwv li, SS420 lossis 17-4PH Stainless Steel) uas xa cov quab yuam los ntawm tus actuator mus rau lub npoo.
5. Seat Rings: Lub ntsej muag tawv ntsej muag nias los yog welded rau hauv lub cev tiv thaiv uas cov npoo ntsaws ruaj ruaj. Lawv tsim lub kaw ntom nti.
6. Packing: Ib lub foob (feem ntau graphite rau qhov kub thiab txias) nyob ib ncig ntawm lub qia, muaj nyob rau hauv ib lub thawv ntim khoom, kom tiv thaiv kom tsis txhob cuam tshuam rau ib puag ncig.
7. Hydraulic Actuator: Lub piston-style lossis scotch yoke actuator powered los ntawm hydraulic siab (feem ntau yog roj). Nws muab lub siab torque / thrust xav tau los ua haujlwm loj DN400 valve tiv thaiv kev sib txawv siab.

3. Txoj Cai Ua Haujlwm

• Qhib: Hydraulic kua yog ported rau hauv lub actuator, txav lub piston. Cov lus tsa suab no tau hloov mus rau lub voj voog (scotch yoke) lossis linear (linear piston) cov lus tsa suab uas tig lub valve qia. Lub qia threads rau hauv lub wedge, nqa nws tag nrho rau hauv lub kaus mom, unobstructing txoj kev khiav.
• Kaw: Hydraulic kua yog ported rau sab nraud ntawm tus actuator, thim rov qab cov lus tsa suab. Lub qia tig thiab thawb lub npoo mus rau hauv qhov chaw kaw, qhov chaw uas nws yog nruj nreem nias tawm tsam ob lub rooj zaum rings, tsim ib lub foob.

Lus Cim Tseem Ceeb: Lub valve no yog tsim los rau kev sib cais (tag nrho qhib lossis kaw tag nrho). Nws yuav tsum tsis txhob siv rau throttling lossis ntws tswj, vim qhov no yuav ua rau kev vibration, cavitation, thiab yaig sai ntawm cov npoo thiab cov rooj zaum.

4. Cov ntawv thov ib txwm

Vim nws qhov loj thiab qhov ntsuas siab, lub valve no yog siv rau hauv kev thov kev lag luam:

• Kev xa dej & Kev faib khoom Mains: cais cov seem ntawm cov kav dej loj.
• Fais fab nroj tsuag: cua txias tshuab, feedwater kab.
• Cov Txheej Txheem Dej Dej: Cov nroj tsuag loj loj.
• Desalination Cog: High-pressure reverse osmosis (RO) kab.
• Mining thiab Mineral Processing: Slurry pipelines (nrog xaiv cov khoom tsim nyog).

5. Qhov zoo thiab qhov tsis zoo

6. Kev txiav txim siab tseem ceeb rau kev xaiv thiab siv

• Kev xaiv cov khoom siv: Sib phim lub cev / npoo / cov ntaub ntawv zaum (WCB, WC6, CF8M, thiab lwm yam) rau kev pabcuam dej (dej, corrosivity, kub).
• Kev Sib Txuas Kawg: Ua kom cov qauv flange thiab tig ntsej muag (RF, RTJ) phim cov raj xa dej.
• Hydraulic Power Unit (HPU): Lub valve yuav tsum muaj HPU cais los ua kom muaj zog hydraulic. Xav txog qhov yuav tsum tau ua haujlwm ceev, siab, thiab tswj (hauv zos / chaw taws teeb).
• Fail-Safe Mode: Tus actuator tuaj yeem teev tau raws li Fail-Open (FO), Fail-Closed (FC), lossis Fail-in-Last-Position (FL) nyob ntawm qhov yuav tsum tau muaj kev nyab xeeb.
• By-Pass Valve: Rau cov ntawv thov siab, lub me me by-pass valve (piv txwv li, DN50) feem ntau ntsia kom sib npaug ntawm cov npoo ua ntej qhib lub ntsiab valve, txo cov kev khiav hauj lwm torque.

Hauv cov ntsiab lus, Hydraulic Wedge Gate Valve DN400 PN25 yog ib qho kev ua haujlwm siab, ua haujlwm hnyav rau kev tso tseg lossis pib cov dej ntws hauv cov kav dej loj, siab. Nws txoj haujlwm hydraulic ua rau nws tsim nyog rau cov chaw taws teeb lossis cov ntsiab lus sib cais tseem ceeb.