Är PE-rörspecifikationen ytterdiametern?

2025-08-19

När man köper och använder PE-rör kommer många användare att ha frågor om deras specifikationer. En av de vanligaste frågorna är: Är PE-rörspecifikationen en ytterdiameter? Idag kommer vi att diskutera denna fråga i detalj och kombinera PE-rörprodukterna från AD Pipe för att tydligt tolka specifikationerna för PE-rör för alla.

Först och främst är det nödvändigt att göra det klart att specifikationerna för PE-rör vanligtvis baseras på deras ytterdiameter som den viktigaste identifieringsparametern. Den yttre diametern som nämns här är exakt den nominella ytterdiametern, uttryckt med symbolen "de", och enheten är millimeter (mm). Till exempel säger vi ofta att PE-rör som de20, de32, de50, de110, etc., siffrorna i dem representerar PE-rörets nominella ytterdiameter. Detta sätt att använda ytterdiametern som specifikationsreferens är den standard som vanligtvis används i PE-rörindustrin. Detta beror främst på att PE-röret mestadels är anslutet genom smältning eller elektrofusion, och konsistensen av ytterdiametern är avgörande för att säkerställa anslutningens kvalitet.

AD Pipe Som en professionell rörtillverkare följer PE-rören som produceras strikt denna branschspecifikation. Vid produktidentifiering av AD PE-rör, förutom att tydligt markera den nominella ytterdiametern (de), ingår vanligtvis viktiga parametrar som väggtjocklek och tryckkvalitet (såsom SDR-serie eller PN-värde) för röret, så att användarna kan göra ett exakt val enligt specifika tekniska behov. Till exempel kan ett helt märkt AD PE-rör visas som "PE100 de110 SDR17 PN1.6MPa", där de110 indikerar den nominella ytterdiametern på röret är 110mm, SDR17 återspeglar förhållandet mellan ytterdiametern och väggtjockleken på röret, och PN1.6MPa representerar dess nominella tryck.

Naturligtvis räcker det inte att bara känna till ytterdiametern. Väggtjockleken på ett PE-rör är också en nyckelfaktor för att bestämma dess tryckbärande kapacitet och användningsområde. Under samma ytterdiameter kommer olika väggtjocklekar på PE-rör att motsvara olika trycknivåer. AD Pipeline kommer att tillhandahålla en mängd olika PE-rörprodukter med väggtjocklek och trycknivåer enligt olika applikationsscenarier, såsom kommunal vattenförsörjning, dricksvatten på landsbygden, avloppsvatten, gastransport etc. för att säkerställa att varje produkt kan uppfylla motsvarande tekniska säkerhets- och prestandakrav.

Sammanfattningsvis uttrycks specifikationerna för PE-rör huvudsakligen av deras ytterdiameter (nominell ytterdiameter), vilket är den enhetliga standarden i branschen, vilket underlättar kommunikationen och driften av design, konstruktion och inköpslänkar. AD Pipe följer alltid höga standarder och strikta krav, och strävar efter tydlighet och noggrannhet i produktionen och identifieringen av PE-rör för att tillhandahålla tillförlitliga produkter och professionella tjänster för majoriteten av användarna. Om du har andra frågor om valet av PE-rörspecifikationer, vänligen kontakta AD Pipe, vi ger dig mer detaljerade svar och support.


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