1. Chav boiler kev nyab xeeb li qub: Feem ntau, qhib, puv - nqa lub caij nplooj ntoos hlav kev nyab xeeb li qub (0490 series) raug xaiv.
2. Kev nyab xeeb li qub rau cov kua xov xwm: Feem ntau, qis - nqa lub caij nplooj ntoos hlav kev nyab xeeb li qub (0485 series) raug xaiv.
3. Kev nyab xeeb li qub rau huab cua lossis lwm yam khoom siv roj: Feem ntau, tag nrho - nqa lub caij nplooj ntoos hlav kev nyab xeeb yog xaiv.
4. Kev nyab xeeb li qub rau cov roj av liquefied roj av (LPG) cov tsheb thauj khoom lossis LPG railway tank tsheb: Feem ntau, tag nrho - nqa cov kev nyab xeeb sab hauv yog xaiv.
5. Kev nyab xeeb li qub rau cov roj qhov hluav taws xob: Feem ntau, kev tsav tsheb - kev nyab xeeb li qub raug xaiv.
6. Siab-siab bypass kev nyab xeeb li qub rau cov khoom siv hluav taws xob tsim hluav taws xob: Feem ntau, tus tsav- ua haujlwm kev nyab xeeb li qub nrog rau kev nyab xeeb thiab kev tswj haujlwm raug xaiv.
7. Yog tias yuav tsum tau kuaj xyuas qhov kev nyab xeeb ntawm lub valve ib ntus, yuav tsum tau xaiv lub valve kev nyab xeeb nrog lub tshuab nqa nqa. Thaum lub siab nruab nrab nce mus txog ntau dua 75% ntawm qhov qhib siab, lub valve disc tuaj yeem nqa tau me ntsis ntawm lub rooj zaum ntawm lub rooj zaum siv lub lifting wrench los xyuas qhov yooj ntawm kev nyab xeeb valve qhib.
8. Yog hais tias qhov nruab nrab kub yog siab, kom txo qhov kub ntawm lub caij nplooj ntoos hlav chamber, ib tug kev nyab xeeb valve nrog ib tug radiator feem ntau yuav tsum tau xaiv thaum lub khiav hauj lwm kub ntawm lub kaw kev ruaj ntseg valve tshaj 300℃thiab lub khiav hauj lwm kub ntawm ib tug qhib kev nyab xeeb valve tshaj 350 degree.
9. Yog tias lub siab rov qab ntawm qhov hluav taws xob ntawm qhov hluav taws xob kev nyab xeeb hloov pauv, thiab qhov kev hloov pauv siab tshaj 10% ntawm qhov qhib siab, yuav tsum xaiv lub valve kev nyab xeeb.
10. Yog hais tias qhov nruab nrab yog corrosive, yuav tsum tau xaiv ib tug bellows kev ruaj ntseg valve los tiv thaiv cov khoom tseem ceeb ntawm tsis ua hauj lwm vim corrosion.
11. Cov ntsiab lus hauv qab no yuav tsum raug sau tseg rau kev teeb tsa thiab kev saib xyuas kev nyab xeeb li qub: 1) Kev teeb tsa txoj haujlwm, qhov siab, thiab kev taw qhia nkag / qhov hluav taws xob yuav tsum ua kom tau raws li cov qauv tsim. Xyuas kom meej tias cov kev taw qhia ntawm nruab nrab ntws yog raws li tus xub taw qhia cim rau ntawm lub valve lub cev, thiab kev sib txuas yuav tsum ruaj thiab nruj . 2) Kev soj ntsuam pom yuav tsum tau ua ua ntej lub valve installation. Lub valve nameplate yuav tsum ua raws li lub teb chaws tus qauv tam sim no "General Valve Marking" GB 12220. Rau li qub nrog kev khiav hauj lwm siab tshaj 1.0 MPa thiab cov neeg ua haujlwm kaw - tawm haujlwm ntawm cov kav dej loj, kev ntsuas lub zog thiab nruj yuav tsum tau ua ua ntej kev teeb tsa. Tsuas yog cov li qub uas dhau qhov kev sim no raug tso cai siv. Thaum lub sij hawm kuaj lub zog, qhov kev ntsuam xyuas siab yog 1.5 npaug ntawm nominal siab, thiab lub sij hawm tsis pub tsawg tshaj 5 feeb. Lub cev lub cev thiab cov ntim khoom yuav tsum tsis txhob tso tawm kom pom tias 合格 (tsim nyog). Thaum lub sijhawm ntsuas nruj, qhov ntsuas qhov siab yog 1.1 npaug ntawm lub siab nominal; Lub sijhawm xeem yuav tsum ua raws li qhov yuav tsum tau ua ntawm GB 50243. Txhua qhov kev nyab xeeb li qub yuav tsum tau nruab ntsug.
12. Yuav tsum tsis txhob muaj kev tawm tsam ntawm qhov hluav taws xob ntawm qhov kev nyab xeeb valve kom tsis txhob muaj kev kub ntxhov.
13. Kev nyab xeeb li qub yuav tsum tau kuaj tshwj xeeb thiab lawv cov kev sib khi ua haujlwm tau kuaj xyuas ua ntej kev teeb tsa.
14. Kev nyab xeeb li qub hauv kev siv yuav tsum tau tshuaj xyuas ib ntus.