Lub Cim Pob Valve yog dab tsi (P&ID & Engineering Standards)

Cov cim ntawm lub pob valve yog cov duab sawv cev thoob ntiaj teb siv rau hauvcov duab kos engineering, P&ID (Cov Duab Qhia Txog Cov Kav Dej Thiab Cov Khoom Siv), thiab cov ntaub ntawv pov thawj. Cov cim qhia no qhia txog cov ntaub ntawv nyuaj ntawm lub valve kom meej, ua rau cov kws tshaj lij thoob ntiaj teb tuaj yeem txheeb xyuas thiab txhais tau tam sim ntawd.lub pob valvecov haujlwm hauv cov kab ke kua dej.

Lub Pob Valve yog dab tsi?

Lub pob valve yog lub valve uas tig ib feem plaub uas siv lub pob khoob, tig tau los tswj cov kua dej ntws. Thaum lub tes tuav lossis lub actuator tig lub pob 90 degrees, lub qhov dej sib phim nrog lub yeeb nkab kom tso cai rau dej ntws lossis ntsug kom thaiv nws. Paub txog lawv qhov kev sib khi zoo, kev ua haujlwm sai, thiab kev ruaj khov, cov pob valve tau siv dav hauv ntau yam lag luam.

Cov Cim Pob Valve hauv P&IDs

Hauv cov duab P&ID, cov pob li qub yog sawv cev los ntawm kev sib xyaw ua ke ntawm cov cim yooj yim uas qhia lawv hom, txoj kev ua haujlwm, thiab hom kev ua tsis tiav. Lub cim feem ntau suav nrog lub voj voog nrog kab pheeb ces kaum lossis lub voj voog me dua sab hauv, sawv cev rau lub pob thiab nws txoj kev ntws. Cov kev hloov kho ntxiv qhia seb lub valve puas yog ua haujlwm tes, hluav taws xob, pneumatic, lossis muaj lwm yam ntxwv tshwj xeeb.

Piv txwv li:

• Lub Pob Valve Txheem: Ib lub voj voog uas muaj ib txoj kab kab rov tav hla nws.

• Lub Pob Valve Uas Muaj Lub Cev Muaj Zog: Tib lub cim nrog tus cim "M" lossis lub cim electric actuator.

• Solenoid Pob ValveFeem ntau pom nrog lub cim electromagnetic actuator.

Cov Ntsiab Lus Tseem Ceeb ntawm Cov Cim Pob Valve

*(Raws li ISO/ANSI/ISA-S5.1 Cov Qauv)*

1. Lub Pob Voj Voog

Lub cim tseem ceeb yog lub voj voog uas sawv cev rau lub pob kheej kheej ntawm lub valve. Lub ntsiab lus no qhia seb lub valve puas yogpuv qhov (qhov chaw nres nkoj puv)los yogtxo qhov (qhov chaw nres nkoj txo qis)- qhov tseem ceeb rau kev tswj hwm kev ua haujlwm ntawm cov dej ntws.

2. Kev Tig Tig Cov Xub Qhia

Cov xub qhia qhov kev tig ntawm lub pob:

↗: tig raws moos = ValveQhib

↖: Tig rov qab-clockwise = ValveKAW LAWM

*(90° tig yog tus qauv rau lub pob valve ib feem plaub ntawm lub voj voog)*

3. Cov Cim Chaw Nkag/Qhov Tawm

Cov kab/xub qhia txog cov kev ntws:

– Kev sib txuas ntsug T = Kev sib tshuam ntawm cov yeeb nkab

– Cov xub kab rov tav = Kev taw qhia ntws thawj zaug

- Cov cim peb ceg = Cov chaw nres nkoj siab

4. Cov Cim Qhia Txog Kev Siv Tshuab Ntxiv

Cov lus piav qhia ntxiv qhia meej tias:

- Kev ua haujlwm siab (piv txwv li, PN16, Chav Kawm 150)

- Qhov kub thiab txias (°C/°F)

– Cov lej khoom siv (SS304, CS, PTFE)

- Hom Actuator (phau ntawv, pneumatic, hluav taws xob)

Piv txwv lub cim ntawm lub pob valve (Cov ntawv qhia txog cov ntawv nyeem)

◯: Pob khoom nrog lub cim qhia kev sib hloov

↗↖Cov kev taw qhia ntawm cov dej ntws nkag (sab xis) & qhov tawm (sab laug)

*Ceeb Toom: Cov cim P&ID tiag tiag suav nrog cov cim qhia txog qhov xwm txheej ntawm lub valve (qhib/kaw/qhib ib nrab)*

Cov Lus Qhia rau Kev Nyeem P&IDs nrog Cov Cim Pob Valve

• Ib txwm xa mus rau cov lus piav qhia lossis cov cim tseem ceeb tshwj xeeb rau daim duab.

• Nco ntsoov txoj kev ua haujlwm thiab qhov chaw ua tsis tiav.

• Xyuas kom meej qhov kev taw qhia ntawm cov dej ntws thiab tus lej ntawm lub valve.

• Tshawb xyuas cov ntaub ntawv qhia txog lub valve thiab cov lus qhia tshwj xeeb.

Vim li cas cov qauv cim tseem ceeb hauv kev tsim kho vaj tse

- ISO 14617 / ANSI/ISA-S5.1ua kom muaj kev sib xws thoob ntiaj teb

- Muaj kev sib txawv ntawm kev lag luam (roj/roj av piv rau tshuaj)

- Txo cov kev ua yuam kev ntawm kev teeb tsa los ntawm 68% (ASME 2023 kev tshawb fawb)

- Qhov tseem ceeb rau kev ua raws li kev nyab xeeb hauv cov chaw muaj kev phom sij

Cov Lus Qhia Zoo:Ib txwm siv cov lus piav qhia tshwj xeeb rau qhov project - cov cim yuav txawv ntawm ISO, DIN, thiab ASME cov qauv.

Zoo rau cov Engineers & Technicians

Cov lus qhia txog lub pob valve no yuav pab koj:

✅ Txhais cov duab P&ID sai dua

✅ Txheeb xyuas cov hom valve sai sai (pob valve piv rau lub qhov rooj valve/globe valve)

✅ Tiv thaiv kev txhais lus yuam kev kim heev

✅ Ua raws li cov cai ntawm ISO 9001 cov ntaub ntawv pov thawj

*Yog xav paub tseeb, mus saib cov ntawv tshiab kawg ntawm:*

- ISA-S5.1 Cov Cim Qhia Txog Kev Siv

- Cov Qauv ISO 10628 P&ID

- ASME Y32.2.3 Cov Lus Cim Valve

> Nco ntsoov:Cov cim ntawm lub pob valve yog cov lus siv thoob ntiaj teb ntawm cov txheej txheem tswj cov kua dej. Kev ua kom tau zoo lawv ua kom muaj kev nyab xeeb hauv kev ua haujlwm thiab kev ua haujlwm raug ntawm txhua yam kev kawm engineering.

Cov Pob Valves vs. Lwm Hom Valve

Txawm hais tias lub pob valve muaj ntau yam, nws yog ib qho tseem ceeb kom paub qhov txawv ntawm lwm cov valves:

• Cov Qhov Rooj Vag:Siv rau kev pabcuam qhib/kaw hauv cov tshuab muaj zog siab tab sis qeeb dua rau kev ua haujlwm.

• Cov Li Qub Thoob Ntiaj Teb:Zoo dua rau kev tswj hwm thiab kev tswj cov dej ntws.

• Cov Npauj Npaim Li Qub:Me me thiab pheej yig rau cov kav dej loj tab sis tsis tshua muaj txiaj ntsig zoo hauv kev kaw qhov siab.

• Tshawb xyuas cov li qub:Tso cai rau ntws mus rau ib qho kev taw qhia xwb.

Cov pob valve muab kev sib khi zoo dua thiab ua haujlwm sai dua piv rau feem ntau lwm txoj hauv kev, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov siab.

Kev Paub Ntxiv: Cov cim ntawm qee lwm lub valve

Cov hauv qab no yog ib qho piv txwv yooj yim ntawm lwm yamcov cim ntawm lub valve(hauv daim ntawv nyeem):

Xaus lus

Cov cim ntawm lub pob valveyog ib hom lus thoob ntiaj teb hauv cov ntaub ntawv engineering. Kev siv kom raug txhawb nqa kev meej ntawm lub kaw lus, kev nyab xeeb ntawm kev ua haujlwm, thiab kev saib xyuas zoo. Txawm koj xaiv, teeb tsa, lossis tswj hwmlub pob valve, kev nkag siab txog cov cim no yog qhov tseem ceeb.