Umgangatho wesizwe wethumbu lomlilo

Umgangatho wesizwe wethumbu lomlilo

No.23 isaziso sika-2011 esikhutshwe yi-National Standardization Administration yavuma ukukhululwa kwe-gb6246-2011 "fire hose", engumgangatho onyanzelekileyo wesizwe kwaye iya kuphunyezwa ukususela ngoJuni 1, 2012. Ukususela ekuphunyezweni komgangatho, ezi zintathu zilandelayo. imigangatho iphelisiwe: iimfuno zokusebenza kwe-gb6246-2001 kunye neendlela zokuvavanya kwithumbu lomlilo elinemigca;gb4580-1984 ithumbu lomlilo elingafakwanga;i-ga34-1992 iimeko zobugcisa kwithumbu lomlilo elimanzi.

I-GB 6246-2011 ichaza iimfuno zokusebenza, iindlela zokuvavanya, imithetho yokuhlola, amanqaku, ukupakishwa, ukuthutha, ukusetyenziswa kunye nokugcinwa kwe-hose yomlilo.Umgangatho ubeka phambili izalathisi zokusebenza ezithile zomgangatho wembonakalo, idiameter yangaphakathi, ubude, uyilo loxinzelelo lokusebenza, uxinzelelo lovavanyo, uxinzelelo oluncinci lokuqhushumba, ukunyanzeliswa kwamanzi kwibhanti lamanzi amanzi, ubunzima beyunithi, ukwanda, izinga lokwandiswa, ukujija icala, ukugoba, ukunamathela. , ukuchasana nobushushu obuphantsi, iipropati ezibonakalayo kunye noomatshini be-lining (okanye i-cladding), Inokuvavanya ngokubanzi ukusebenza kwebhanti yamanzi omlilo.

Iiyantlukwano eziphambili phakathi komgangatho omtsha kunye ne-GB 6246-2001 zimi ngolu hlobo lulandelayo: (1) imodeli kunye neenkcukacha ze-hose yomlilo kunye nendlela yokubiza kwayo yanda;(2) iimfuno zokusebenza kunye neendlela zokuvavanya umbhobho womlilo zandisiwe;(3) iimfuno zokusebenza kwe-torsional yombhobho womlilo zihlaziywa;(4) iimfuno zokumelana nokunxiba kombhobho womlilo kunye neendlela zokuvavanya ezihambelanayo zonyuswa;(5) Iimfuno kunye neendlela zokuvavanya ukusebenza koqhagamshelo lwebhanti yamanzi omlilo kunye nojongano lomlilo zongezwa;6) ukusetyenziswa kunye nokugcinwa kwebhanti yamanzi omlilo kwandiswa.


Ixesha lokuposa: May-27-2022

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