Pipe bophara De, DN, d ф Moelelo
De、DN、d、ф Mefuta e fapaneng ea boemeli ba
De -- bophara ba kantle ba phala ea PPR, PE le phala ea polypropylene
DN -- Bophara bo tloaelehileng ba phaephe ea polyethylene (PVC), phaephe ea tšepe e lahliloeng, phaephe ea polasetiki e kopantsoeng ea tšepe le phaephe ea tšepe e galvanized
D -- bophara bo tloaelehileng ba phaephe ea konkreite
ф-- Bophara bo tloaelehileng ba phaephe ea tšepe e se nang sekoli ke ф 100:108 X 4
Phapang pakeng tsa bophara ba phaephe DE le DN
1. DN e bolela bophara bo tloaelehileng ba phaephe, boo e seng bophara ba kantle kapa bophara ba kahare (e lokela ho amana le diyuniti tsa Senyesemane mohatong wa pele wa ntshetsopele ya boenjiniere ba diphaephe, mme hangata e sebediswa ho hlalosa diphaephe tsa tshepe tse kgabisitsweng). Kamano ya yona e tsamaellanang le diyuniti tsa Senyesemane ke ena:
4/8 intshi: DN15;
6/8 lisenthimithara: DN20;
Phaephe ea lisenthimithara tse 1: 1 inch: DN25;
Phaephe ea lisenthimithara tse peli: 1 le 1/4 inch: DN32;
Phaephe ea halofo ea lisenthimithara: 1 le 1/2 inch: DN40;
Phaephe ea lisenthimithara tse peli: lisenthimithara tse 2: DN50;
Phaephe ea lisenthimithara tse tharo: 3 inch: DN80 (e boetse e tšoailoe e le DN75 libakeng tse ngata);
Phaephe ea lisenthimithara tse 'ne: 4 lisenthimithara: DN100;
2. De haholo-holo e bolela bophara ba kantle ba phaephe (ka kakaretso bo tshwailweng ke De, bo lokelang ho tshwauwa ka sebopeho sa bophara ba kantle ba X botenya ba lebota)
E sebelisoa haholo ho hlalosa: liphaephe tsa tšepe tse se nang mohele, liphaephe tsa PVC le tse ling tsa polasetiki, le liphaephe tse ling tse hlokang botenya bo hlakileng ba lebota.
Ha re nka mohlala oa phaephe ea tšepe e qhibilihisitsoeng ka galvanized, mekhoa ea ho tšoaea DN le De ke e latelang:
DN20 De25X2.5mm
DN25 De32X3mm
DN32 De40X4mm
DN40 De50X4mm
Re tloaetse ho sebelisa DN ho tšoaea liphaephe tsa tšepe tse qhibilihisitsoeng, 'me ha se hangata re sebelisang De ho tšoaea liphaephe ntle le ho kenyelletsa botenya ba lebota;
Empa ho tšoaea liphaephe tsa polasetiki ke taba e 'ngoe; E boetse e amana le mekhoa ea indasteri. Ts'ebetsong ea 'nete ea kaho, liphaephe tsa 20, 25, 32 le tse ling tseo re li bitsang li bua feela ka De, eseng DN.
Ho ya ka phihlelo e sebetsang sebakeng seo:
a. Mekhoa ea ho hokela ea thepa e 'meli ea liphaephe ha se letho haese khokahano ea khoele ea sekurufu le khokahano ea flange.
b. Phaephe ea tšepe e nang le galvanized le phaephe ea PPR li ka hokahanngoa ka mekhoa e 'meli e ka holimo, empa khoele ea screw e loketse liphaephe tse nyane ho feta 50, 'me flange e tšepahala haholoanyane bakeng sa liphaephe tse kholo ho feta 50.
c. Haeba liphaephe tse peli tsa tšepe tse entsoeng ka thepa e fapaneng li hokahane, ho tla nahanoa hore na karabelo ea sele ea galvanic e tla etsahala, ho seng joalo sekhahla sa ho bola ha liphaephe tsa tšepe tse sebetsang se tla potlakisoa. Ho molemo ho sebelisa li-flange bakeng sa khokahano, 'me u sebelise thepa ea ho thibela rabara ea gasket ho arola litšepe tse peli, ho kenyeletsoa le liboutu, ka li-gasket ho qoba ho kopana.
Phapang pakeng tsa DN, De le Dg
DN bophara bo ikgethang
Bophara ba kantle
Gong ea bophara ba Dg. Gong ea bophara ba Dg e entsoe Chaena, ka litšobotsi tsa Sechaena, empa ha e sa sebelisoa hape
a. Mekhoa e fapaneng ea ho tšoaea liphaephe tse fapaneng:
1. Bakeng sa liphaephe tsa tšepe tsa phetiso ea khase ea metsi (tse nang le galvanized kapa tse sa galvanized), liphaephe tsa tšepe tse entsoeng ka lahla le liphaephe tse ling, bophara ba phaephe bo lokela ho bontšoa ka bophara bo tloaelehileng ba DN (joalo ka DN15, DN50);
2. Phaephe ea tšepe e se nang seam, phaephe ea tšepe e bōpehileng joaloka seam e otlolohileng kapa seam e spiral, phaephe ea koporo, phaephe ea tšepe e sa hloekang le liphaephe tse ling, bophara ba phaephe e lokela ho ba D × Botenya ba lebota (joalo ka D108 × 4、D159 × 4.5, jj.);
3. Bakeng sa liphaephe tsa konkreite e matlafalitsoeng (kapa konkreite), liphaephe tsa letsopa, liphaephe tsa ceramic tse hananang le asiti, liphaephe tsa liner le liphaephe tse ling, bophara ba phaephe bo lokela ho bontšoa ke bophara ba ka hare ba d (joalo ka d230, d380, jj.);
4. Bakeng sa liphaephe tsa polasetiki, bophara ba phaephe bo lokela ho hlahisoa ho latela maemo a sehlahisoa;
5. Ha DN e bophara bo tloaelehileng e sebelisoa ho emela bophara ba phaephe moralong, ho lokela ho ba le tafole ea papiso pakeng tsa DN e bophara bo tloaelehileng le litlhaloso tse tsamaellanang tsa sehlahisoa.
b. Kamano ea DN, De le Dg:
De ke bophara ba lebota le ka ntle la phaephe
DN ke De ho tloswa halofo ya botenya ba lebota la phaephe
Hangata Dg ha e sebelisoe
1 Bophara ba phaephe e lokela ho ba ka mm.
2 Pontšo ea bophara ba phaephe e tla latela lipehelo tse latelang:
1 Bakeng sa liphaephe tsa tšepe tsa phetiso ea khase ea metsi (tse nang le galvanized kapa tse se nang galvanized), liphaephe tsa tšepe tse entsoeng ka lahla le liphaephe tse ling, bophara ba phaephe bo lokela ho bontšoa ke bophara bo tloaelehileng ba DN;
2 Phaephe ea tšepe e se nang sekoli, phaephe ea tšepe e bōpehileng joaloka seam (seam e otlolohileng kapa seam e spiral), phaephe ea koporo, phaephe ea tšepe e sa hloekang le liphaephe tse ling, bophara ba phaephe e lokela ho ba bophara ba ka ntle × Botenya ba lebota;
3 Bakeng sa liphaephe tsa konkreite e matlafalitsoeng (kapa konkreite), liphaephe tsa letsopa, liphaephe tsa ceramic tse hananang le asiti, liphaephe tsa liner le liphaephe tse ling, bophara ba phaephe bo lokela ho bontšoa ke bophara ba ka hare ba d;
4 Bakeng sa liphaephe tsa polasetiki, bophara ba phaephe bo lokela ho hlahisoa ho latela maemo a sehlahisoa;
5 Ha DN e bophara bo tloaelehileng e sebelisoa ho emela bophara ba phaephe moralong, tafole ea papiso pakeng tsa DN e bophara bo tloaelehileng le litlhaloso tse tsamaellanang tsa sehlahisoa e tla fanoa.
Liphaephe tsa polyvinyl chloride tse sa kenngoang polasetiki bakeng sa ho ntsha metsi ka moaho - de (bophara bo tloaelehileng ba kantle) bakeng sa tlhaloso × E (botenya bo tloaelehileng ba lebota) e bolela (GB 5836.1-92).
Liphaephe tsa polypropylene (PP) bakeng sa phepelo ea metsi × E emetse (bophara bo tloaelehileng ba kantle × Botenya ba lebota)
Ho tšoaea liphaephe tsa polasetiki litšoantšong tsa boenjiniere
Boholo ba tekanyo ea metric
E emetsoe ke DN
Hangata e bitsoa "boholo bo tloaelehileng", ha se bophara ba kantle ba phaephe kapa bophara ba kahare ba phaephe. Ke karolelano ea bophara ba kantle le bophara ba kahare, e bitsoang bophara ba kahare bo tloaelehileng.
Mohlala, letshwao la metric (boholo ba tekanyo ya mm) la phaephe ya polasetiki e nang le bophara ba kantle ba 63mm DN50
Boholo ba tekanyo ea ISO
Nka Da e le bophara ba kantle ba phaephe ea PVC le phaephe ea ABS
Nka De e le bophara ba kantle ba phaephe ea PP le phaephe ea PE
Mohlala, letshwao la metric la phaephe ya polasetiki e nang le bophara ba kantle ba 63mm (boholo ba tekanyo ya mm)
Da63 bakeng sa phaephe ea PVC le phaephe ea ABS
Nako ea poso: Pulungoana-07-2022
