Pipe bophara De, DN, d ф Moelelo
De、DN、d、 ф Mefuta e fapaneng ea boemeli ba
De -- bophara ba ka ntle ba PPR, pipe ea PE le pipe ea polypropylene
DN -- bophara ba lebitso la polyethylene (PVC), phala ea tšepe e entsoeng ka tšepe, phala ea tšepe e entsoeng ka polasetiki le phala ea tšepe e entsoeng ka masenke.
D -- bophara ka lebitso la pipe ea konkreite
ф-- Bophahamo bo tloaelehileng ba phala ea tšepe e sa tsitsang ke ф 100:108 X 4
Phapang pakeng tsa bophara ba pipe DE le DN
1. DN e bua ka bophara ka lebitso la phala, e seng bophara bo ka ntle kapa bophara bo ka hare (e lokela ho amana le lihlopha tsa Senyesemane qalong ea tsoelo-pele ea boenjiniere ba liphaephe, 'me hangata e sebelisoa ho hlalosa liphaephe tsa tšepe tse entsoeng ka masenke).Kamano ea eona e tsamaellanang le liyuniti tsa Senyesemane ke tse latelang:
4/8 inch: DN15;
6/8 inch: DN20;
1 inch pipe: lisenthimithara tse 1: DN25;
Pipe ea lisenthimithara tse peli: 1 le 1/4 inch: DN32;
Pipe ea halofo ea inch: 1 le 1/2 inch: DN40;
Pipe ea lisenthimithara tse peli: 2 inch: DN50;
Pipe ea lisenthimithara tse tharo: 3 inch: DN80 (e boetse e tšoauoa e le DN75 libakeng tse ngata);
Pipe ea lisenthimithara tse 'nè: lisenthimithara tse 4: DN100;
2. De haholo-holo e bua ka bophara bo ka ntle ba phala (ka kakaretso e tšoauoa ka De, e lokelang ho tšoauoa ka mokhoa oa bophara ba ka ntle X lerako botenya)
E sebelisoa haholo-holo ho hlalosa: liphaephe tsa tšepe tse se nang moeli, PVC le liphaephe tse ling tsa polasetiki, le liphaephe tse ling tse hlokang botenya bo hlakileng ba marako.
Ho nka mohlala oa peipi ea tšepe e entsoeng ka masenke, 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 lipeipi tsa tšepe tse cheselitsoeng, 'me ke ka seoelo re sebelisang De ho tšoaea liphaephe ntle le ho kenyelletsa botenya ba lebota;
Empa ho tšoaea lipeipi tsa polasetiki ke taba e ’ngoe;E boetse e amana le mekhoa ea indasteri.Ts'ebetsong ea sebele ea kaho, lipeipi tsa 20, 25, 32 le tse ling tseo re li bitsang li bua ka De, eseng DN.
Ho latela boiphihlelo bo sebetsang sebakeng sa marang-rang:
a.Mekhoa ea ho hokahanya ea lisebelisoa tse peli tsa liphaephe ha se letho ho feta khoele ea khoele ea screw le khokahanyo ea flange.
b.Pipe ea tšepe e nang le galvanized le pipe ea PPR e ka kopanngoa ka mekhoa e 'meli e ka holimo, empa khoele ea screw e bonolo haholoanyane bakeng sa liphaephe tse nyenyane ho feta 50,' me flange e ka tšeptjoa ho feta liphaephe tse kholo ho feta 50.
c.Haeba liphaephe tse peli tsa tšepe tse entsoeng ka thepa e fapaneng li hokahane, hore na karabelo ea sele ea galvanic e tla etsahala e tla nkuoa, ho seng joalo lebelo la kutu ea liphaephe tse sebetsang tsa tšepe li tla potlakisa.Ho molemo ho sebelisa li-flanges bakeng sa ho hokahanya, 'me u sebelise lisebelisoa tsa ho kenya li-rubber gasket ho arola litšepe tse peli, ho kenyelletsa le liboutu, tse nang le li-gaskets ho qoba ho kopana.
Phapang pakeng tsa DN, De le Dg
DN Bophahamo ba lebitso
De bophara ba kantle
Dg bophara ba gong.Dg diameter gong e entsoe China, e nang le litšobotsi tsa Sechaena, empa ha e sa sebelisoa
a.Mekhoa e fapaneng ea ho tšoaea liphaephe tse fapaneng:
1. Bakeng sa lipeipi tsa tšepe tsa phetisetso ea khase ea metsi (tse nang le galvanized kapa tse se nang galvanized), liphaephe tsa tšepe tse entsoeng ka tšepe le liphaephe tse ling, bophara ba phala bo lokela ho bontšoa ka bophara ba lebitso la DN (joalo ka DN15, DN50);
2. Peipi ea tšepe e sa tsitsang, phala ea tšepe e entsoeng ka tšepe (sefate se otlolohileng kapa se-spiral seam), phala ea koporo, phala ea tšepe e sa hloekang le liphaephe tse ling, bophara ba phala e lokela ho ba D × Wall botenya (joalo ka D108 × 4, D159 × 4.5, joalo-joalo) ;
3. Bakeng sa liphaephe tsa konkreite (kapa konkreite) tse matlafalitsoeng, liphaephe tsa letsopa, liphaephe tsa ceramic tse hanyetsanang le acid, liphaephe tsa liner le liphaephe tse ling, bophara ba pipe e lokela ho hlahisoa ka bophara ba ka hare d (joaloka d230, d380, joalo-joalo);
4. Bakeng sa liphaephe tsa polasetiki, bophara ba pipe e lokela ho hlalosoa ho ea ka sehlahisoa sa sehlahisoa;
5. Ha bophara ba lebitso la DN bo sebelisetsoa ho emela bophara ba phala ka moralo, ho lokela ho ba le tafole ea papiso pakeng tsa bophara ba lebitso la DN le litlhaloso tsa sehlahisoa se lumellanang.
b.Kamano ea DN, De le Dg:
De ke bophara ba lerako le ka ntle la phala
DN ke De minus halofo ea botenya ba lebota la phala
Dg hangata ha e sebelisoe
1 Pipe bophara e tla ba ka mm.
2 Polelo ea bophara ba phala e tla lumellana le lipehelo tse latelang:
1 Bakeng sa lipeipi tsa tšepe tsa phetisetso ea khase ea metsi (tse nang le galvanized kapa tse se nang galvanized), liphaephe tsa tšepe tse entsoeng ka tšepe le liphaephe tse ling, bophara ba phala bo lokela ho bontšoa ka bophara ba DN;
2 Peipi ea tšepe e sa tsitsang, phala ea tšepe e entsoeng ka tšepe (sefate se otlolohileng kapa sekoti sa spiral), phala ea koporo, phala ea tšepe e sa hloekang le liphaephe tse ling, bophara ba phala e lokela ho ba bophara bo ka ntle × Botenya ba lebota;
3 Bakeng sa liphaephe tsa konkreite tse matlafalitsoeng (kapa konkreite), liphaephe tsa letsopa, liphaephe tsa ceramic tse hanyetsanang le asiti, liphaephe tsa liner le liphaephe tse ling, bophara ba phala bo lokela ho hlahisoa ke bophara bo ka hare d;
4 Bakeng sa liphaephe tsa polasetiki, bophara ba phala bo lokela ho hlahisoa ho latela maemo a sehlahisoa;
5 Ha bophara ba lebitso la DN bo sebelisoa ho emela bophara ba phala moralong, ho tla fanoa ka tafole ea papiso lipakeng tsa bophara ba lebitso la DN le lintlha tse tsamaellanang tsa sehlahisoa.
Unplasticized polyvinyl chloride liphaephe bakeng sa ho haha drainage - de (lebitso kantle bophara bophara) bakeng sa tlhaloso × E (ka lebitso lerako botenya) bolela (GB 5836.1-92).
Liphaephe tsa polypropylene (PP) bakeng sa phepelo ea metsi × E emela (lebitso la bophara ba kantle × botenya ba lebota)
Ho tšoaea lipeipi tsa polasetiki litšoantšong tsa boenjiniere
Metric dimension size
E emetsoe ke DN
Hangata ho thoe ke "boholo ba lebitso", ha se bophara bo ka ntle ba phala kapa bophara bo ka hare ba phala.Ke karolelano ea bophara ba ka ntle le bophara ba ka hare, e bitsoang karolelano ea bophara ba ka hare.
Mohlala, letšoao la metric (saese ea boholo ba limilimithara) ea phala ea polasetiki e bophara ba 63mm DN50.
ISO metric dimension size
Nka Da e le bophara bo ka ntle ba phala ea PVC le phala ea ABS
Nka De e le bophara bo ka ntle ba phala ea PP le phala ea PE
Mohlala, letšoao la metric ea phala ea polasetiki e nang le bophara bo ka ntle ba 63mm (saese ea boholo ba limilimithara)
Da63 bakeng sa phala ea PVC le phala ea ABS
Nako ea poso: Nov-07-2022
