I-Female Threaded Landing Valve inikeza ukusebenza okuthembekile kwezinhlelo zokuvikela umlilo zesimanje. Onjiniyela bayayethemba idizayini yayo eqinile kanye nokuhambisana kwayo okulula ngesikhathi sezimo eziphuthumayo.I-Flange Type Landing Valve, I-Two Way Landing Valve, futhiI-Brass Aluminium Landing Valvefuthi ihlangabezana nezindinganiso zokuphepha eziqinile. Abahloli bomlilo bayayivuma le mibhobho yokuthobela imithetho.

• Abacishi bomlilo bathembele kula ma-valve ukuze baphendule ngokushesha futhi baphuze amanzi ngendlela ethembekile.

I-Valve Yokufika Enentambo Yabesifazane: Incazelo kanye nezici

Iyini i-Landing Valve Yabesifazane Enemicu?

• II-Valve Yokufika Enentambo Yabesifazaneiyivalvu ye-hydrant yephethini yomhlaba wonke yohlobo lwe-flange, uhlobo lwe-oblique.
• Ihlangabezana nezindinganiso ze-BS 5041 Ingxenye 1 zemishini yokuvikela umlilo.
• Ukuxhumeka kwepayipi lokulethwa kanye nesivalo esingenalutho kulandela indinganiso ye-BS 336:2010.
• Le valve ihlukaniswa njengokucindezela okuphansi, kanyeingcindezi yokungena elinganiselwe efika kumabha ayi-15.
• Ithusi lisebenza njengento eyinhloko yokuqina.
• Usayizi wokungena ungamasentimitha angu-2.5 nge-flange, kanti usayizi wokuphuma ungamasentimitha angu-2.5I-BS 336.
• Isebenza ngengcindezi yokusebenza engu-16 bar futhi ihlolwa isihlalo se-valve ku-16.5 bar kanye nokuhlolwa komzimba ku-22.5 bar.
• Ivalvu inikeza izinga lokugeleza kwamanzi elingamalitha angu-8.5 ngomzuzwana ngokucindezela kwe-outlet yamabha amane.
• Yakhelwe ama-wet risers ezinhlelweni zama-fire hydrant, isebenza ngamanzi ashajwa unomphela avela emthonjeni ocindezelwe.
• Ifanele kokubili izinhlelo zokuvikela umlilo ogwini kanye nolwandle.
• Kuqinisekiswe ngezindinganiso ezinkulu zokuvikela umlilo, okuhlanganisa i-BS 5041 Ingxenye 1 kanye ne-BS 336:2010.

Imisebenzi Eyinhloko Ezinhlelweni Zokuvikela Umlilo

I-Female Threaded Landing Valve idlala indima ebalulekile ezinhlelweni zokuvikela umlilo. Ilawula ukugeleza kwamanzi kumapayipi omlilo ngesikhathi sezimo eziphuthumayo. Abacishi bomlilo basebenzisa le valve ukuxhuma amapayipi ngokushesha nokufinyelela amanzi acindezelwe. I-valve iqinisekisa ukutholakala kwamanzi okuzinzile nokuthembekile, okusiza amaqembu ukuba aphendule ngokushesha futhi alawule imililo. Ukwakheka kwayo kusekela ukusebenza okulula, ngisho nangaphansi kwezimo ezicindezelayo. Ukuhambisana kwe-valve nokufakwa kwamapayipi ajwayelekile kwenza kube ukukhetha okuthandwayo ezakhiweni eziningi nasezikhungweni.

Izici Ezibonakalayo Nezomzimba

Amavalvu okufika anezintambo zesifazane anezici ezihlukile eziwahlukanisa nezinye izinhlobo. Lawa mavalvu asebenzisaukuxhumeka kokuphela okunentambo kwabesifazaneeziboshelwa emapayipini abesilisa anezintambo. Izinhlobo zezintambo ezijwayelekile njenge-NPT, BSPT, noma i-BSPP zakha uphawu oluqinile, ngokuvamile olune-teyipu yokuvala noma i-compound. Umklamo ohlangene awunazo izimbobo ze-flange noma amabholidi, okwenza ukufakwa kube lula ezindaweni eziqinile. Ithebula elingezansi liqokomisa umehluko omkhulu:

Izindinganiso Ze-Landing Valve Yabesifazane Enemicu kanye Nokuthobela Imithetho

Izindinganiso Zamazwe Ngamazwe (BS 5041, EN 671-2, UL, IS 5290)

Umklamo wabakhiqiziAmavalvu Okufika Anemicu Yabesifazaneukuhlangabezana nezindinganiso eziqinile zomhlaba wonke. Lezi zindinganiso ziqinisekisa ukuthi ama-valve asebenza ngokwethembeka ezimweni eziphuthumayo zomlilo futhi ahlangana kahle nezinhlelo zokuvikela umlilo. Izindinganiso eziqashelwa kakhulu zifaka:

• I-BS 5041-1: Icacisa izidingo zokukhiqiza, ukuhlola, ukumaka, kanye nokupakisha ama-landing valve. Ama-valve kumele abe ne-DN65 (2 1/2”) yowesilisa noma yowesifazane enezintambo noma i-flange.
• I-BS 336: Ichaza izidingo zokuxhumeka kwepayipi lokukhipha kanye nezivalo zokuvala ngamaketanga.
• I-BS 5154: Ihlanganisa imininingwane eyengeziwe yokwakhiwa kwama-valve nokusebenza kwawo.
• I-ISO 9001:2015, i-BSI, kanye ne-LPCB: Nikeza ukuvunyelwa kwamazwe ngamazwe kokuphathwa kwekhwalithi kanye nokuthembeka komkhiqizo.

Amavalvu avame ukuba nezinto ezingagqwali noma izembozo ze-epoxy eziboshwe nge-fusion. Lezi zici zisiza ukugcina ukusebenza kahle ngokuhamba kwesikhathi. Nakuba i-EN 671-2, i-UL, kanye ne-IS 5290 zibalulekile embonini yokuvikela umlilo, imibhalo ayibhekiseli ngqo kulezi zindinganiso zamavalvu okuhlala e-Female Threaded Landing. Iningi lemvume yamazwe ngamazwe ligxile ku-BS 5041 kanye ne-BS 336.

Qaphela: Isitifiketi samazwe ngamazwe siqinisekisa ukuthi ama-valve ahlangabezana nezidingo zokuphepha, ukuqina, kanye nokuhambisana ezimakethe zomhlaba wonke.

Amakhodi ase-US kanye Nezidingo ze-NFPA 14

E-United States, amakhodi omlilo abeka izidingo ezicacile zama-valve okufika. I-NFPA 14, i-Standpipe and Hose Systems, iqondisa ukukhethwa nokufakwa kwama-valve ezinhlelweni zokuvikela umlilo. Abahloli bahlola ukuthi ama-valve ahlangabezana nezimfuneko zosayizi, isilinganiso sokucindezela, kanye nezinto zokwakha. Baqinisekisa nokuthi ama-valve anezinhlobo ezifanele zentambo kanye nezindlela zokulawula ezithembekile.

Izikhungo zokuhlola zilandela inqubo eningiliziwe:

1. Qinisekisa ukuhambisana nezindinganiso ezifana ne-BS 5041 kanye nezinye izikhodi zokuphepha emlilweni ezifanele.
2. Ukuziphathaukuhlolwa okuvamile njalo ezinyangeni eziyisithuphaukuhlola ukuvuza, ukugqwala, kanye nokusebenza kahle.
3. Qinisekisa izindlela ezifanele zokufaka, okuhlanganisa ukuvumelanisa intambo nokuvala.
4. Hlola ukuqina kwezinto kanye nokumelana nokugqwala.
5. Buyekeza izingodo zokulungisa kanye nemiphumela yokuhlolwa kwengcindezi.
6. Qinisekisa izitifiketi ezifana ne-KITEMARK kanye nokunamathela ezidingweni zokucindezela kokusebenza kanye nokucindezela kokuhlola.

Amakhodi omlilo achaza nezijeziso zokungalandeli imithetho. Uma ivalvu ingahlangabezani nezimfuneko ezidingekayo, indawo ingabhekana nemiphumela yezomthetho. Abahloli baphoqelela le mithetho ukuvikela izimpilo kanye nempahla.

Izindlela Zokuthobela Umthetho: Ingcindezi, Izinto Ezisetshenziswayo, Imicu

Ama-Landing Valve Abesifazane Anemicu kumele ahlangabezane nemigomo eminingana yokuthobela imithetho ukuze aphumelele ukuhlolwa futhi asebenze ngempumelelo. Lezi migomo zifaka:

Abahloli bahlola umbandela ngamunye ngesikhathi sokuhlolwa kokuphepha komlilo. Babheka izimpawu zokugqwala, baqinisekisa ukuhambisana kwentambo, futhi baqinisekise ukuthi ama-valve asebenza kahle. Ukufakwa kahle nokugcinwa njalo kusiza ukuqinisekisa ukuthi ama-valve ahlala ethembekile ezimweni eziphuthumayo.

Icebiso: Izikhungo kufanele zigcine izingodo zokulungisa ezinemininingwane kanye nemiphumela yokuhlolwa ukuze kuboniswe ukuthobela imithetho okuqhubekayo ngesikhathi sokuhlolwa.

Izinzuzo kanye Nezicelo ze-Female Threaded Landing Valve

Ukuhambisana Kokuxhumana Nokushintshana

• Imicu yangaphakathi ngaphakathi kwe-swivel ivumela ukuhlangana okuqinile nama-coupling esilisa.
• I-swivel ivimbela ukusonteka kwepayipi ngesikhathi sokuxhuma, okuthuthukisa ukusetshenziswa kwayo.
• Izinhlobo zezintambo ezijwayelekile njenge-NH/NST, i-NPT, kanye ne-NPSH ziqinisekisa ukufana okulungile nezinye izingxenye zesistimu.
• Ama-rocker lugs kanye nama-Higbee notches kusiza ukuvumelanisa imicu ngokushesha, okwenza ukuxhumana kusheshe futhi kuthembeke.
• Ama-gasket angaphakathi kwe-coupling ahlinzeka ngezivikelo eziqinile zokuvimba ukuvuza.
• Izindandatho zokwandisa zigoqa ipayipi ngokuphephile, zigcina uxhumano luqinile.

Izilinganiso Zokucindezela Nokusebenza

I-Female Threaded Landing Valve isekela ukucindezela kokusebenza okufika ku-20 Bar (290 PSI). Lesi silinganiso esiphakeme siqinisekisa ukugeleza kwamanzi okuthembekile ngesikhathi sezimo eziphuthumayo. I-valve igcina ukusebenza ngaphansi kwezimo ezinzima, isiza abacishi bomlilo ukulawula imililo ngokushesha. Ukulethwa kokucindezela okuqhubekayo kusekela ukulwa komlilo okuphumelelayo ezakhiweni eziphakeme nasezindaweni zokugcina impahla.

Ukuqina Kwezinto Ezibonakalayo Nokumelana Nokugqwala

Ukwakhiwa kwensimbi engagqwali kanye nethusi kusiza ivalvu ukuthi ihlale isikhathi eside, ngisho nasezindaweni ezinzima.

Ukufakwa, Ukugcinwa, kanye Nezinzuzo Zokusebenza

I-Female Threaded Landing Valve ifakwa kalula ngenxa yezintambo nobukhulu obujwayelekile. Izinto ezingamelani nokugqwala kanye nezingubo zokuvikela kunciphisa izidingo zokulungisa. I-valve isebenza ngokwethembeka ngaphansi kokucindezeleka okuphezulu futhi ihlangabezana nezindinganiso eziqashelwayo. Abacishi bomlilo bathola i-valve kulula ukuyisebenzisa ezimweni eziphuthumayo, ngenxa yokwakheka kwayo okuncane kanye nokusebenza okulula.

Ukufakwa Okuvamile kanye Nezibonelo Zokuthobela Ikhodi Yangempela

Izikhungo zifaka la mavalvu ezitebhisini, emakhabetheni okukhipha, kanyeizinhlelo zokuphakamisa amanziIzakhiwo eziphakeme, izindawo zokugcina impahla, kanye namapulatifomu asogwini lolwandle azisebenzisela ukuvikela umlilo. Abahloli bayawavuma la ma-valve ukuze ahambisane nemithetho ngoba ahlangabezana nezindinganiso zomhlaba wonke futhi anikeza ukusebenza okuthembekile.

I-Female Threaded Landing Valve ivelele njengenketho ethembekile nehambisana nemithetho yokuvikela umlilo.

• Izinto ezihlala isikhathi eside kanye nomklamo ocophelelayo kuqinisekisa ukusebenza okuthembekile ngesikhathi sezimo eziphuthumayo.
• Izitifiketi zomhlaba wonke kanye nokufakwa okulula kusekela ukuphepha kuzo zonke izinhlobo zezakhiwo.
• Ukuxhumeka okusheshayo kwamapayipi kanye nezindawo ezifinyeleleka kalula kusiza abacishi bomlilo ukuba baphendule ngokushesha.

Imibuzo Evame Ukubuzwa

Yini eyenza ivalvu yokufika enezintambo yabesifazane ifanelekele amakhodi omlilo anamuhla?

Abahloli bayawavuma la ma-valve ngoba ahlangabezana nezindinganiso zomhlaba wonke. Umklamo wawo uqinisekisa ukugeleza kwamanzi okuthembekile kanye nokuxhumeka okulula kwepayipi ngesikhathi sezimo eziphuthumayo.

Ingabe ama-valve okufika anezintambo abesifazane angafanela izinhlobo ezahlukene zamapayipi omlilo?

Yebo. Izinhlobo zezintambo ezijwayelekile njenge-NPT, i-BSPT, kanye ne-NH/NST zivumela lawa ma-valve ukuthi axhumane namapayipi amaningi omlilo asetshenziswa ezinhlelweni zokuvikela umlilo.

Izikhungo kufanele zihlole kangaki ama-landing valve abesifazane anezintambo?

Izikhungo kufanele zihlole la ma-valve njalo ezinyangeni eziyisithupha. Ukuhlolwa okuvamile kusiza ekugcineni ukusebenza kahle nokuqinisekisa ukuhambisana nemithetho.amakhodi okuphepha emlilweni.