Yuav ua li cas xaiv ppr yeeb fittings
Tam sim no, muaj ntau yam lag luam ntawm ppr yeeb fittings. Cov khoom siv raw ntawm ppr yeeb fittings yog polypropylene (random copolymerization polypropylene). Cov khoom lag luam tsim los ntawm ppr yeeb fittings siv ntau hom ntawm raw cov ntaub ntawv muaj qee qhov sib txawv hauv kev ua tau zoo, ntxiv rau theem ntawm cov kab ntau lawm txawv. Muaj qhov sib txawv nruab nrab ntawm qhov zoo ntawm ppr kav tsim los ntawm ntau cov tuam ntxhab. Thaum siv PPR yeeb fittings, kev soj ntsuam yuav tsum tau ua ua ntej kev teeb tsa. PPR yeeb fittings tuaj yeem siv tsuas yog tom qab lawv tau tsim nyog. Xaiv ppr yeeb fittings ua ntej yuav tsum muaj daim ntawv qhia kev kuaj xyuas zoo ntawm lub tuam tsev tshuaj ntsuam xyuas kev ua haujlwm zoo. Ntawm lawv, cov ppr yeeb fittings siv rau cov dej haus yuav tsum tseem muaj qhov kev soj ntsuam kev ua haujlwm huv ntawm lub chaw kuaj dej huv, thiab tom qab ntawd cov tsos zoo ntawm cov kav dej thiab fittings thiab cov yeeb nkab taub thiab phab ntsa tuab, cov khoom hauv qab no yog feem ntau yog tshuaj xyuas hauv ua raws li cov qauv hauv teb chaws thaum tshawb xyuas cov yeeb nkab ppr fittings :
1. Cov tsos ntawm ppr yeeb fittings . Cov xim ntawm cov ppr yeeb nkab yuav tsum yog qhov zoo ib yam nkaus. Sab hauv thiab sab nraud ntawm cov yeeb nkab ppr yuav tsum du thiab tiaj tus yam tsis muaj ntsw, npuas thiab lwm qhov chaw tsis zoo uas cuam tshuam rau kev ua haujlwm. Lub yeeb nkab ppr yuav tsum tsis txhob muaj qhov pom tsis zoo; cov nplaim ntawm cov yeeb nkab ppr yuav tsum du thiab tiaj. Cov tsis zoo xws li cov kab nrib pleb, npuas, tev thiab pom tsis meej, cuam tshuam loj heev, tsis xim thiab tsis pom kev.
2, opacity ntawm ppr yeeb fittings. PPR yeeb fittings yuav tsum opaque.
3. Lub taub thiab phab ntsa tuab ntawm ppr yeeb fittings. Raws li lub teb chaws tus qauv GB / T18742.2-2002, ppr yeeb fittings tau muab faib ua tsib series: S5, S4, S3.2, S2.5, thiab S2. Cov koob S ntawm ppr yeeb fittings muaj qhov sib raug zoo nrog kev sib tw nominal. Cov kev qhia tshwj xeeb ntawm cov yeeb nkab ppr fittings yog sawv cev los ntawm cov yeeb nkab series S thiab cov nominal sab nraud dn * nominal phab ntsa tuab en. Lub ppr yeeb fittings mas siv los xyuas cov nominal sab qhov taub, qhov nruab nrab ntawm txoj kab uas hla thiab Kev sib piv phab ntsa tuab ntawm cov yeeb nkab series, qhov (socket) qhov loj ntawm cov yeeb nkab fittings thiab cov nominal sab qhov taub.
4. Lub cev lub cev thiab khoom siv thiab cov khoom siv tshuaj ntawm ppr cov yeeb nkab fittings. Kev ntsuam xyuas hydrostatic ntawm ppr cov yeeb nkab fittings, melt huab hwm ntws txaus, ntsuas thermal stability hauv qab lub xeev hydrostatic, seb qhov ntev txuas ntawm cov yeeb nkab, thiab kev cuam tshuam kev ntsuas ntawm tsuas yog txhawb cov nqaj ua tau raws li cov qauv hauv tebchaws. Tshaj tawm cov ntsiab lus thiab rov qab qhia cov ntsiab lus.
5. Txawm hais tias qhov kev ua tau huv hauv ppr yeeb fittings ua tau raws li lub teb chaws tus qauv. ppr yeeb fittings Cov khoom no tuaj yeem tshawb xyuas qhov kev ntsuam xyuas kev ua kom huv ntawm ppr cov yeeb nkab fittings los ntawm lub tuam tsev kuaj mob.
6. Siv tau ntawm ppr yeeb nkab yeeb nkab haum system. Tom qab cov ppr yeeb nkab fittings txuas nrog rau cov yeeb nkab fittings, lawv yuav tsum xeem dhau ob qho kev sim ua ke ntawm 8760 teev ntawm kev ntsuas sab hauv thiab 5000 kev hloov mus los.
