2022 Xisivela-ku tlhelela endzhaku xa xiyimo xa le henhla

Nhlamuselo yo koma: .

Sayizi:DN 50~DN 400. Xihlamusela-marito
Ntshikelelo:PN10/PN16/150 psi/200 psi
Xiyimo:
Dizayini:AWWA C511/ASSE 1013/GB/T25178


Vuxokoxoko bya Swikumiwa

Tithegi ta Swikumiwa

Ku dzikisa ka hina eka ku fanele ku va ku hlanganisa na ku ndlandlamuxa khwalithi na vukorhokeri bya swikumiwa swa sweswi, hi nkarhi wolowo hi tshama hi ri karhi hi humesa switirhisiwa leswintshwa ku fikelela swilaveko swo hlawuleka swa vaxavi swa 2022 High quality Backflow Preventer, Hi namarhela nsinya wa wena wa “Services of Standardization, ku enerisa Swilaveko swa Vaxavi”.
Ku dzikisa ka hina eka ku fanele ku va ku tiyisisa na ku ndlandlamuxa khwalithi na vukorhokeri bya swikumiwa swa sweswi, hi nkarhi wolowo hi tshama hi ri karhi hi humelerisa switirhisiwa leswintshwa ku fikelela swilaveko swo hlawuleka swa vaxavi ekaChina Check Valve na Valve, Hi tiyimiserile ku fikelela swilaveko swa wena hinkwaswo na ku tlhantlha swiphiqo swihi na swihi swa xithekiniki leswi u nga hlanganaka na swona eka swiphemu swa wena swa tiindasitiri. Switirhisiwa swa hina swo hlawuleka na vutivi lebyikulu bya thekinoloji swi endla leswaku hi va nhlawulo lowu rhandzekaka eka vaxavi va hina.

Nhlamuselo:

Ku lwisana nyana Non-return Backflow Preventer (Flanged Type) TWS-DFQ4TX-10/16Q-D – i muxaka wa xitirhisiwa xo hlanganisa vulawuri bya mati lexi tumbuluxiweke hi khamphani ya hina, ngopfungopfu lexi tirhisiwaka eka mphakelo wa mati ku suka eka yuniti ya le madorobeni ku ya eka yuniti ya thyaka hi ku angarhela swi ringanyeta swinene ntshikelelo wa tiphayiphi leswaku ku khuluka ka mati ku ta va ka ndlela yin’we ntsena. Ntirho wa yona i ku sivela ku khuluka endzhaku ka xitirhisiwa xa tiphayiphi kumbe xiyimo xin’wana na xin’wana xa siphon flow back, leswaku ku papalatiwa ku thyakisa ka backflow.

Swihlawulekisi:

1. I ya xivumbeko lexi hlanganisiweke ni xo koma; ku lwisana nyana; ku hlayisa mati (ku hava xiendlakalo lexi nga tolovelekangiki xa ku humesa mati eka ku cinca-cinca ka ntshikelelo wa mphakelo wa mati lowu tolovelekeke); swi hlayisekile (eka ku lahlekeriwa loku nga tolovelekangiki ka ntshikelelo eka sisiteme ya mphakelo wa mati ya ntshikelelo wa le henhla, valve yo humesa mati yi nga pfuleka hi nkarhi, yi pfumala nchumu, naswona xivandla xa le xikarhi xa backflow preventer minkarhi hinkwayo xi rhangela ehenhla ka le henhla eka ku avanyisa moya); on-line detection and maintenance etc. Ehansi ka ntirho wa ntolovelo eka mpimo wa ku khuluka ka ikhonomi, ku onhaka ka mati ya designis ya swikumiwa i 1.8~ 2.5 m.

.

3. Dizayini leyi kongomeke ya valve yo humesa mati, ntshikelelo wa drain wu nga lulamisa nkoka wa ku cinca-cinca ka ntshikelelo wa sisiteme ya mphakelo wa mati lama tsemiweke, ku papalata ku kavanyeteka ka ku cinca-cinca ka ntshikelelo wa sisiteme. On-off hi ndlela leyi hlayisekeke no tshembheka, ku hava ku khuluka ka mati loku nga tolovelekangiki.

4. Large diaphragm control cavity design yi endla leswaku ku tshembheka ka swiphemu swa nkoka swi antswa ku tlula swa backlow preventer yin’wana, hi ku hlayiseka na ku tshembheka on-off for drain valve.

5. Xivumbeko lexi hlanganisiweke xa ku pfuleka ka drain ya diameter leyikulu na diversion channel, complementary intake na drainage eka valve cavity a swi na swiphiqo swa drainage, swi ringanyeta hi ku helela ku koteka ka back down stream na siphon flow reversals swi humelela.

6. Dizayini leyi endliweke hi vanhu yi nga va xikambelo xa le ka inthanete ni ku hlayisiwa.

Swikombelo: .

Yi nga tirhisiwa eka thyaka leri nga ni khombo na ku thyakisa ku vonakala,eka thyaka ra chefu,yi tlhela yi tirhisiwa loko yi nga swi koti ku sivela ku tlhelela endzhaku hi ku hambanisiwa ka moya;
Yi nga tirhisiwa eka xihlovo xa phayiphi ya marhavi eka ku thyakisa loku nga ni khombo na ku khuluka ka ntshikelelo loku yaka emahlweni,naswona a yi tirhisiwi eka ku sivela backlow ya
ku thyakisa loku nga ni chefu.

Swipimelo: .

xdaswdKu dzikisa ka hina eka ku fanele ku va ku hlanganisa na ku ndlandlamuxa khwalithi na vukorhokeri bya swikumiwa swa sweswi, hi nkarhi wolowo hi tshama hi ri karhi hi humesa switirhisiwa leswintshwa ku fikelela swilaveko swo hlawuleka swa vaxavi swa 2022 High quality Backflow Preventer, Hi namarhela nsinya wa wena wa “Services of Standardization, ku enerisa Swilaveko swa Vaxavi”.
2022 Xiyimo xa le henhlaChina Check Valve na Valve, Hi tiyimiserile ku fikelela swilaveko swa wena hinkwaswo na ku tlhantlha swiphiqo swihi na swihi swa xithekiniki leswi u nga hlanganaka na swona eka swiphemu swa wena swa tiindasitiri. Switirhisiwa swa hina swo hlawuleka na vutivi lebyikulu bya thekinoloji swi endla leswaku hi va nhlawulo lowu rhandzekaka eka vaxavi va hina.

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