Lead Free txhais tau li cas hauv Da Dej Faucet (NSF 372 Piav Qhia)

Kingdoir Shower · Sanitary Ware Knowledge

Qhov "dawb txhuas" ntawm lub faucet da dej txhais tau hais tias cov chaw ntub dej muaj tsawg dua 0.25 feem pua ​​​​ntawm cov hlau lead los ntawm qhov hnyav nruab nrab - US kev cai lij choj txwv uas NSF 372 txheeb xyuas los ntawm kev sim ywj pheej. Daim ntawv lo tseem ceeb vim tias cov dej da dej kov tib cov hlau uas cov dej haus tau dhau los, thiab cov tooj liab hlau ib txwm muaj cov hlau lead rau kev ua haujlwm. Covda dej setCov neeg yuav khoom yuav tsum tau nyeem cov ntawv lead -dawb thov tawm tsam NSF 372 daim ntawv pov thawj, tsis yog daim ntawv nplaum.

Txoj cai 0.25 feem pua ​​thiab qhov hnyav nruab nrab

NSF 372 ntsuas cov hlau lead hauv thaj chaw ntub dej ntawm txhua qhov sib xyaw thiab suav qhov hnyav nruab nrab ntawm lub rooj sib txoos - ib qho siab - txhuas fittings tuaj yeem ua tsis tau tag nrho cov faucet. Cov chav ua haujlwm raws cai siv cov hlau lead - dawb tooj dag (cov bismuth lossis silicon alloys) lossis cov dej tsis muaj dej. Covda dej taub hauthiab lub valve internals tag nrho suav mus rau lub cev hnyav, yog li daim ntawv pov thawj npog cov khoom tiav.

Yog vim li cas tus da dej Faucet poob rau hauv tus thawj coj-Txoj Cai Dawb

Txoj Cai US Safe Drinking Water Act thiab lub xeev txoj cai lij choj (xws li California's AB 1953) yuav tsum muaj cov hlau lead -dawb fittings rau cov dej uas yuav siv tau - da dej yog suav nrog vim cov dej tau nqus thiab nqus tau thaum siv. Covphab ntsa mounted da dej teebnrog NSF 372 daim ntawv pov thawj cov ntaub ntawv ua raws li cov neeg soj ntsuam thiab cov kws sau ntawv tshwj xeeb.

Cov hlau lead- zaj dab neeg pub dawb xaus rau ntawm daim ntawv pov thawj - qhov kev xaiv hlau alloy, wetted -nto xam thiab kev sim ywj siab ua ke rov qab thov, thiab tus neeg yuav khoom uas nug tus lej tau txais qhov tseeb.

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