Izimbozo ze-Epoxy eziboshwe nge-Fusion Awwa C213 Standard

Incazelo emfushane:

Izimbozo ze-Epoxy eziboshwe nge-Fusion kanye nama-Linings e-Steel Water Pipe kanye ne-Fittings

Lena indinganiso ye-American Water Works Association (AWWA). Izembozo ze-FBE zisetshenziswa kakhulu kumapayipi amanzi ensimbi kanye nezinto zokufakelwa, isibonelo amapayipi e-SSAW, amapayipi e-ERW, amapayipi e-LSAW amapayipi angenamthungo, izindololwane, ama-tees, ama-reducer njll. ngenhloso yokuvikela ukugqwala.

Izembozo ze-epoxy eziboshwe yi-fusion ziyingxenye eyodwa yezembozo ze-thermosetting ezomile, lapho ukushisa kusebenza, ezikhiqiza ukusabela kwamakhemikhali ebusweni bepayipi lensimbi ngenkathi zigcina ukusebenza kwezakhiwo zalo. Kusukela ngo-1960 kuqhubeke, ukusetshenziswa kuye kwanda kwaba usayizi omkhulu wamapayipi njengezembozo zangaphakathi nezangaphandle zegesi, uwoyela, amanzi kanye nezicelo zamanzi angcolile.


Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Izakhiwo zomzimba zezinto ze-epoxy powder

Amandla adonsela phansi athile ku-23℃: ubuncane obungu-1.2 kanye nobukhulu obungu-1.8
Ukuhlaziywa kwesihlungo: ubuningi obungu-2.0
Isikhathi sejeli ku-200 ℃: ngaphansi kwamasekhondi angu-120

Ukuhlanza okuqhumayo

Izindawo zensimbi ezingenalutho kufanele zihlanzwe ngokuqhumisa ngokuhudula ngokuhambisana ne-SSPC-SP10/NACE No. 2 ngaphandle kokuthi kuchazwe ngenye indlela ngumthengi. Iphethini ye-blast anchor noma ukujula kwephrofayili kufanele kube yi-1.5 mil kuya ku-4.0 mil (38 µm kuya ku-102 µm) okulinganiselwe ngokuhambisana ne-ASTM D4417.

Ukushisa

Ipayipi elihlanziwe kufanele lishiswe ekushiseni okungaphansi kuka-260℃, umthombo wokushisa akufanele ungcolise ubuso bepayipi.

Ubukhulu

Impuphu yokumboza kufanele ifakwe epayipini elishisiwe ngobukhulu obufanayo befilimu yokulungisa engaphansi kwama-millimitha angu-305 (305 μm) ngaphandle noma ngaphakathi. Ubukhulu obukhulu akufanele budlule ama-millimitha angu-406 (406 μm) ngaphandle kokuthi kunconywe umenzi noma kuchazwe ngumthengi.

Ukuhlolwa kokusebenza kwe-epoxy okungakhethwa

Umthengi angacacisa ukuhlolwa okwengeziwe ukuze kuqinisekiswe ukusebenza kwe-epoxy. Izinqubo zokuhlola ezilandelayo, zonke okufanele zenziwe emasongweni okuhlola amapayipi okukhiqiza, zingachazwa:
1. Ukubhoboka kwezingxenye.
2. Izimbobo zesikhombimsebenzisi.
3. Ukuhlaziywa kokushisa (i-DSC).
4. Ukucindezeleka okungapheli (ukugoba).
5. Ukucwilisa emanzini.
6. Umthelela.
7. Ukuhlolwa kokuhlukana kwe-Cathodic.


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