Polyvinylchloride yeeb nkab: mounting nta, cov yam ntxwv thiab kev

Polyvinylchloride yeeb nkab vim cov uas tsis muaj qhov hnyav thiab ib tug ntau yam ntawm lwm yam kev yam ntxwv yog ib tug ntawm lub ntsiab zoo tshaj rau tso systems ntawm txoj hauj lwm txawv. Installation ua hauj lwm yog nrog los ntawm teeb meem, tab sis koj yuav tsum paub dab tsi nta muaj ib tug PVC yeeb nkab. Ntawm cov nta ntxiv ntawm cov khoom piav yuav tsum tau tseem ceeb:

• ntev kev pab cuam lub neej;
• tus nqi pheej yig;
• tsawg luj;
• Ib qho yooj yim installation.

Tsis tshua muaj qhov hnyav tso cai installation tsis muaj kev siv ntawm tshwj xeeb fasteners. Nyob rau hauv tas li ntawd, ib qho kim ntsuas yog tsis yuav tsum tau, nws yog ua tau rau nteg lub raj dej rau lawv tus kheej, yog li txuag lawv cov nyiaj. Raws li ib tug ntawm cov tseem ceeb zoo yuav tsum faib tsis muaj disadvantages peculiar rau hlau kav thiab hlau.

Uas yog vim li cas cov ntaub ntawv yeeb nkab yog nce siv nyob rau hauv ntau qhov chaw ntawm kev ua pej xeem, venting khoom los ntawm lwm yam ntaub ntawv. Tom qab tag nrho, lawv muaj ntau check, tsis txhob muab rau cov complex thiab kim txij nkawm, thiab koj yuav muab tso rau lawv nyob rau qhov chaw cia them tus nqi.

kev yam ntxwv

Polyvinylchloride kav muaj koj ua tau zoo yam ntxwv. Lawv tsiag ntawv los ntawm high nruj annular, los ntawm kev uas cov khoom tau mus yauv mus nrog siab mus rau 120 atmospheres. kav yog cov tsis tshua resistant rau thermal deformation. Thaum rhuab, lub raj elongates tsuas 5% ntawm cov thawj lub ntim. Nrog kev xav txog cov te, lub PVC tsis yog raws li resistant mus rau tej influences. Yog li ntawd pw ntawm pipelines ntawm no cov ntaub ntawv uas yuav tsum tau nrog los ntawm thermal rwb thaiv tsev.

Cov yeeb nkab yuav tsum tsis txhob yuav txias hauv qab no -15 ° C. PVC kav dej uas txawv tsis zoo li ntawd, thermal stability. Khoom pib poob nws cov nruj thaum raug kub saum toj no 78 ° C. Sab nraud thiab sab hauv chaw muaj ib tug tsawg kawg nkaus roughness, nws pub silting li ntawm lub raj dej. Siv cov kev faib ntaub ntawv uas yuav muaj heev ib impressive teeb kis tau tus mob. Raws li cov pob tshab PVC yeeb nkab nyob rau hauv kev li sai tau, tab sis nyob rau hauv feem ntau cov khoom muaj cov khoom nyob rau hauv pleev xim rau daim ntawv no. Tab sis txawm nyob rau hauv xws li ib tug lub xeev muaj peev xwm ntawm resisting PVC UV zoo dua lwm yam ntau ntau yam ntawm cov yas.

Dej thaum lub sij hawm thauj ntawm cov PVC yeeb nkab tsis hloov nws cov khoom. Qhov no qhia tau hais tias qhov no hom ntawm kev sib txuas lus yuav siv tau rau siv tsis yog tsuas yog technical, tab sis kuj cov dej haus. Lub ntsiab zoo xws li cov kav dej yuav cais los ntawm inertia lub conveyed nruab nrab thiab theem siab circumferential nruj uas tso cai rau kom nteg ib tug high-siab piping.

Nrog rau kev hwm mus kub dej systems, lub polyvinyl tshuaj dawb siv nyob rau hauv lawv yog tsis yooj yim sua, vim hais tias cov kub txwv ntawm lub lag luam ntawm lub raj dej tsuas yog 40 ° C. Whereas nyob rau hauv uas tsis yog-siab yeeb nkab tshuab yuav tsum tau los ntawm lwm yam zoo, ntawm lawv nws yog tsim nyog los faib qhov tsawg kawg nkaus phab ntsa thickness thiab siab smoothness ntawm lub puab nto. Hais txog cov thickness, nws yuav yog los ntawm 1.5 mus rau 6 lub hli. Cov zog pab kom tso dej system imposing ntev. Raws li ib tug tshwm sim, lub kaw lus yuav tsum tau nrog me me seem ntawm lub raj dej, uas muaj peev xwm coj ib tug txiav txim nyiaj pov tseg.

Ib txhia cov yam ntxwv ntawm cov uas tsis yog-siab PVC kav

Tsis siab PVC yeeb nkab yuav tsum tau ntsia thiab kev cob cog rua rau txhua lwm yam ntawm kev sib khi rings. Xws li ib tug mounting txoj kev yog tau thaum uas siv cov sab hauv thiab sab nraud systems. Tsis-siab kav muaj ib tug nyeem tas socket nyob ib ncig, lub lub cheeb ntawm uas tej zaum yuav yog los ntawm 63 mus 315 hli. Tej kav yuav ua rau ib lub siab tshaj plaws kev khiav hauj lwm siab ntawm 0,63 MPa. Txawm li cas los, cov yeeb nkab nws tus kheej muaj peev xwm sawv ntawm niaj mus txog 20 MPa.

Cov yam ntxwv ntawm siab kav ua los ntawm polyvinylchloride

PVC PVC kav yuav ua tau txawm thiab siab lub taub hau. Lawv muaj peev xwm mus yauv mus ib impressive siab, yog li kom lawv muaj pipelines siv txias khoom. Lawv zoo li ib tug flare, tab sis nyob rau hauv lub kawg lawv muaj ib tug tshwj xeeb thooj ntawm lub nplos.

Inch PVC yeeb nkab siab hom yuav sib txawv los ntawm 10 mus rau 90 hli. Nyob rau hauv raws li GOST yuav suav 11 thawj ntau thiab tsawg pab. Qhov siab tshaj plaws kev khiav hauj lwm siab yog 2 MPa. Yog hais tias cov nqi no yog ua zoo tshaj, cov kua nplaum kab yuav tsis tau tiv nrog lub load. Cov muag khoom yuav pom ntau thiab kav tsis ntsawb, nws yog siv nyob rau hauv lub rooj sib txoos ntawm lub cev ntawm cov hauv qab no hom ntawm fittings:

• kev sib khi;
• xov;
• nplaum.

Cov kab uas hla ntawm lub raj tus yog hom twg los ntawm 10 mus rau 315 hli. Tej khoom yuav siv tau tsis tsuas siab tab sis kuj tsis yog-siab systems.

Corrugated PVC raj: Properties

Polyvinylchloride corrugated yeeb nkab muaj lub peev xwm rau nws tus kheej-extinguishing, nws yog ib feem uas yog ib tug ntawm cov tseem ceeb rau tso ntawm xov. Cov yeeb nkab tsis hlawv, tab sis melts thiab smoldering, kiag li yuav ploj mus thiab tsis qhov hluav taws kub. Tej kav yog check, lawv tau vlagoottalkivayuschey ntes resistant chaw uas tsis corrode, loses zog thiab tsis tawg thaum lub sij hawm lub neej voj voog.

Hlab hluav taws xob corrugated PVC yog thermoplastic. Thaum lub kub extremes lawv teb tsawg kawg. Kub hom ntawm cov lag luam yuav sib txawv ntawm -20 mus +80 ° C. Raws li rau installation, nws yuav tsum tau nqa tawm ntawm ib tug kub ntawm -5 mus +60 ° C. Ntawm lwm yam, polyvinyl tshuaj dawb ua raws li ib tug dielectric, uas qhia nws insulating muaj peev xwm.

mounting nta

Siab kab pib thiab xaus ntawm qhov chaw siv. Pressureless conduit thaum pib ntawm ib tug siphon-hom PVC, whereas thaum kawg - lub taub dej khawb, recessed nyob rau hauv lub hauv av. Yuav kom txuas lub taub dej khawb rau thiab siphon nws yog tsim nyog los equip lub sinuous kab, uas yuav muaj xws li cov fittings thiab cov kav dej. mounting txheej txheem yuav tsum nqa tawm los ntawm ib qho ntawm peb hom kev kawm. Tus thawj yuav siv cov lub ntsawb, qhov thib ob - txias welding, thaum lub sij hawm peb - threaded fittings.

Nta installation ntawm phwj kav ua los ntawm PVC

PVC phwj yeeb nkab yog pw nyob rau hauv ib tug technology. Nyob rau hauv thawj theem ntsiab yuav tsum tau yoog mus rau txhua lwm yam thiab xyuas, seb lub slopes thiab cov ces kaum. Ntxiv nqa tawm lub markup, tsis tau poob rau hauv ib tug loj tus naj npawb ntawm Cheebtsam. Lub ntsiab yog koom ua ke, nws yog ib qho tseem ceeb nyob rau ntawm no theem mus xyuas hais tias cov inlet yeeb nkab rau hauv lub nplos 2/3 tsis muaj dag zog.

Rau lub ceev ceev ntawm tus txha glued nrog ib tug tshwj xeeb compound. Nyob rau hauv thiaj li yuav txhim kho cov kev adhesion qhov chaw ntawm conjugation yuav tsum tau roughened. Thaum cov kua nplaum yog thov, nws yog tau muab tso rau hauv ib tug haum. Tom qab lub installation yog tiav koj yuav tau mus xyuas lub kaw lus rau txia. Yog hais tias ib tug los yog kuaj, lub installation ua hauj lwm twb nqa tawm ntse.

Los ua ke rau hauv lub nplos

PVC kav (GOST 51613-2000) yuav tau sau nyob rau hauv lub funnel. Rau T-piece ib ceg mus rau lwm tee fittings yuav tsum tau. Lub socket yuav tsum tau muab tso rau ib tug sealing nplhaib thiab du kawg ntawm cov yeeb nkab mus nrhiav kom tau ib tug sealing socket. Lub nplhaib yuav kom du thiab muab tus txha.

Assembling siv txias vuam

Installation nrog txias vuam yuav xyaum thaum lub sij hawm pw ntawm lub raj dej, thaum nws yog tsim nyog los muab angular conjugation los yog sidebar. Nyob rau hauv lub caij nyoog kawg no cov ntaub ntawv, ib tug siv tam raj, nyob rau hauv thawj nplaum yuav dispensed fittings thiab du kav.

Assembling siv ib tug nplaum raws li nram no. Thawj kauj ruam yog mus txiav tawm kawg thiab calibrate, piv txwv li mus ntxuav thiab tshem tawm cov burrs. Master yuav tsum tau xyuas lub qhov tob ntawm immersion ntawm ib tug tus kawg lub ntsej muag tom labeling.

Tom qab ntawd, cov txheej nto ntawm ib tug tus kawg lub ntsej muag yog kho nrog solvent thiab koom chaw cleared. Nyob rau lub puab nto ntawm lub nplos haum thiab qhov yuav tsum tau rau kev zoo xws li cov txiav txim. Thaum cov tu yog nqa tawm nyob rau hauv tus nto ntawm lub haum thiab cov yeeb nkab yuav tsum tau thov ib tug tshwj xeeb kua nplaum, uas yuav tsum tau npog rau sab hauv nto thiab tus cim feem. Nyob rau hauv cov kauj ruam kawg tsim nyog los thawb cov yeeb nkab rau hauv lub nplos los yog haum rau ib tug tob marker, ces tig txog lub axis, nws yuav pub rau faib cov nplaum tshuaj tusyees.

xaus

Yog hais tias koj txiav txim siab mus yuav PVC kav, tus nqi ntawm cov khoom no koj yuav tsum muaj txaus siab. Piv txwv li, corrugated yeeb nkab rau xov yuav raug muas 10,67 rubles. ib square meter. Nyob rau hauv cov ntaub ntawv no peb yuav sib tham txog cov yam khoom uas nws txoj kab uas hla yog 25 hli. Cable hluav taws-resistant cov kab ntawm corrugated PVC kav yuav raug nqi 16,73 rubles rau tus neeg. ib square meter. Thiab ntawm no yog ib qho yooj yim txhav yeeb nkab rau xov koj tau rau 17,15 rubles. ib square meter.

Hluav Taws Kub resistant cable kab, uas yog yus lub teeb yuag thiab mob heev, yuav raug nqi 26,89 rubles. ib square meter. Nws txoj kab uas hla yog 25 hli. Hluav Taws kuj sau raws nkaus Ii E60-E90 kawm ntawv. Yuav raj rau xov yuav ua tau nyob rau hauv lub pob - lub bay (25 m). Cov khoom muaj cov kev sojntsuam thiab cov yeeb nkab inch yog 25 hli. Muas PVC yeeb nkab ntawm no hom yuav ua tau ntawm 333,38 rubles. ib pob.

Consumer xyuas hais tias txoj hauj lwm zoo ntawm PVC kav yog loj dua lub disadvantages. Lawv yog cov zoo tagnrho rau cov cua kub, kev ntxuav tu thiab thiaj li nyob. D. tau txais kev pab uas muaj muas tau hauv lub PVC yeeb nkab, tsis txhob khuv xim kuv txoj kev xaiv.