Dab tsi yog Cov Qauv Txheej Txheem rau PPR Yeeb Nkab Fittings Thiab Cov kav dej?

PPR yeeb nkab fittings zus tau tej cov qauv GB/T18742.3-2002, cov yeeb nkab tswj txheej txheem nruj me ntsis raws li tus qauv ntawm "Cov dej kub thiab txias yas yeeb nkab System - Polypropylene Standard", uas yog tsim los ntawm ISO/TC138 Technical Committee ntawm Plastic Pipes, Fittings thiab Valves rau Fluid Transport, thiab yog tsim los nrog cov teeb tsa tiag tiag ntawm cov kav dej polypropylene thiab cov yeeb nkab fittings hauv Suav teb.

Cov qauv no suav nrog peb ntu hauv qab no:

GB/T 18742.1-2002 Polypropylene Piping Systems rau dej kub thiab txias Part 1: General, GB/T 18742. 18742. Cov qauv no tau npaj los ntawm Tuam Tshoj Lub Teeb Kev Lag Luam Federation.

Cim npe nrov: Dab tsi yog cov qauv kev cai rau ppr yeeb nkab fittings thiab cov kav dej?, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, pheej yig, luv nqi, luv nqi, hauv Tshuag, dawb qauv