1. Qhov ntau thiab tsawg:
Raws li cov duab, cov cuab yeej dej tuaj yeem muab faib ua hom P thiab S hom.Raws li cov khoom siv, nws tuaj yeem muab faib ua stainless hlau, PVC thiab PE yeeb nkab fittings.Raws li cov yeeb nkab txoj kab uas hla ntawm cov dej ntxiab, nws tuaj yeem muab faib ua 40, 50, DN50 (2-nti yeeb nkab, 75, 90, 110. Raws li hom, nws tuaj yeem muab faib ua cov cuab yeej tso quav, squat tso quav tso quav, ntxhua khaub ncaws. ntxiab, thiab chav ua noj dab ntxuav tais diav.
2. Kev siv sib txawv:
S-shaped ntxiab yog siv qhov kev sib txuas ntsug ua rau cov kav dej kab rov tav.P-shaped ntxiab yog siv rau kab rov tav thiab txoj cai-lub kaum sib txuas nrog cov kav dej kab rov tav lossis cov dej ntws tawm.
Post lub sij hawm: Sep-28-2023