Amaziko ethu axhotyiswe kakuhle kunye nomgangatho olungileyo wolawulo kuwo onke amanqanaba okwenziwa kusenza siqinisekise ukwaneliseka komthengi ngokupheleleyo kwi-OEM Supply China 8 Inch RF Flanged Cast Steel Non Return Check Valve, Kuphela kukuphumeza iimveliso ezikumgangatho olungileyo ukuzalisekisa imfuno yomthengi, zonke iimpahla zethu ziye zahlolwa ngokungqongqo phambi kokuba zithunyelwe.
Amaziko ethu axhotyiswe kakuhle kunye nolawulo lomgangatho olungileyo kuwo onke amanqanaba okwenziwa kusenza ukuba siqinisekise ukoneliseka komthengi ngokupheleleyoChina 8 Intshi engabuyi iValve,RF Flanged Non Return Valve, jonga ivalve 4 intshi , Njengabasebenzi abafundileyo, abavelisa izinto ezintsha nabanamandla, sinoxanduva lwazo zonke iinkalo zophando, uyilo, ukuvelisa, ukuthengisa nokusasaza. Ngokufunda kunye nokuphuhlisa ubuchule obutsha, asilandeli kuphela kodwa sikwakhokela ishishini lefashoni. Simamela ngononophelo ingxelo evela kubathengi bethu kwaye sinika unxibelelwano olukhawulezileyo. Uya kuziva ngoko nangoko ubuchule bethu kunye nenkonzo enomdla.
Ukuphakamisa i-valve yokujonga i-valve ibhekisela kwi-valve evula ngokuzenzekelayo kwaye ivale i-disc ngokuxhomekeke ekuhambeni kwe-medium ngokwayo ukukhusela umva ophakathi, owaziwa ngokuba yi-valve yokutshekisha, i-valve yendlela enye, i-valve ye-counterflow, kunye ne-valve yoxinzelelo lwangasemva. Ivalve yokukhangela sisivalo esizenzekelayo. Umsebenzi wayo ophambili kukuthintela ukubuya umva okuphakathi, impompo ebuyela umva kunye nemoto yokuqhuba, kunye nokukhululwa kwesixhobo esiphakathi. Iivalvu zokutshekisha zingasetyenziswa kwimibhobho ukubonelela ngeenkqubo ezincedisayo apho uxinzelelo lunokunyuka ngaphezu koxinzelelo lwenkqubo. Iivalve zokujonga zinokwahlulwa zibe ziivalve zokujonga ujingi (ezijikelezayo ngokweziko lomxhuzulane) kwaye ziphakamise iivalvu zokujonga (zihamba nge-axis).
Idatha yobugcisa
PN(MPa)Uxinzelelo lwegama | 1.6 | 2.5 | 4.0 | |
(MPa)Uxinzelelo lovavanyo | Uvavanyo lwamandla eqokobhe | 2.4 | 3.75 | 6.0 |
Uvavanyo lwetywina (Ulwelo) | 1.76 | 2.75 | 4.4 | |
Uvavanyo lwetywina (Igesi) | 0.5~0.7 | |||
Indawo efanelekileyo | amanzi, umphunga, ioli | PIiasidi ze-niter | Rioli | |
Ubushushu obufanelekileyo | ≤425 | ≤100 | ≤550 |
Imitha yeendawo eziphambili
Hayi. | Igama lenxalenye | Izinto eziphathekayo | |
I-ASTM | GB | ||
1 | Umzimba wevalvu | WCB, WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M | WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
2 | Idiskhi yevalvu | WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M | WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
3 | Iibholiti zestud | A193-B7,A320-B8,A193-B8M | 35CrMoA,25Cr2MoV,0CM8Ni9,0Cr17Ni12Mo2 |
4 | Hex nuts | I-A194-2H,A194-8,A194-8M | 45,35CrMoA,25Cr2MoV, 0Cr18Ni9,0Cr17Ni12Mo2 |
5 | Gasket | Igraphite eguquguqukayo + intsimbi engenasici | Igraphite eguquguqukayo + intsimbi engenasici |
6 | ibhonethi yevalvu | A105,F11,F22,F5,F9 F304, F316, F321, F304L, F316L | 25,1Cr18Ni9Ni,0Cr18Ni12Mo2Ti 20Cr1Mo1V,25Cr2MoV |
Imilinganiselo ephambili
PN(MPa) | DN(mm) | L | H | D | D1 | D2 | D6 | b | f | f2 | Z-ød |
1.6 | 15 | 130 | 77 | 95 | 65 | 45 | - | 14 | 2 | - | 4-14 |
20 | 150 | 77 | 105 | 75 | 55 | - | 14 | 2 | - | 4-14 | |
25 | 160 | 80 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | |
32 | 180 | 85 | 135 | 100 | 78 | - | 16 | 2 | - | 4-18 | |
40 | 200 | 95 | 145 | 110 | 85 | - | 16 | 3 | - | 4-18 | |
50 | 230 | 105 | 160 | 125 | 100 | - | 16 | 3 | - | 4-18 | |
65 | 290 | 120 | 180 | 145 | 120 | - | 18 | 3 | - | 4-18 | |
80 | 310 | 130 | 195 | 160 | 135 | - | 20 | 3 | - | 8-18 | |
100 | 350 | 140 | 215 | 180 | 155 | - | 20 | 3 | - | 8-18 | |
125 | 400 | 155 | 245 | 210 | 185 | - | amashumi anambini | 3 | - | 8-18 | |
150 | 480 | 180 | 280 | 240 | 210 | - | amashumi amabini anesine | 3 | - | 8-23 | |
200 | 600 | 245 | 335 | 295 | 265 | - | 26 | 3 | - | 12-23 | |
2.5 | 15 | 130 | 100 | 95 | 65 | 45 | - | 16 | 2 | - | 4-14 |
20 | 150 | 105 | 105 | 75 | 55 | - | 16 | 2 | - | 4-14 | |
25 | 160 | 120 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | |
32 | 180 | 130 | 135 | 100 | 78 | - | 18 | 2 | - | 4-18 | |
40 | 200 | 135 | 145 | 110 | 85 | - | 18 | 3 | - | 4-18 | |
50 | 230 | 149 | 160 | 125 | 100 | - | 20 | 3 | - | 4-18 | |
80 | 310 | 169 | 195 | 160 | 135 | - | amashumi anambini | 3 | - | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | - | amashumi amabini anesine | 3 | - | 8-23 | |
150 | 480 | 255 | 300 | 250 | 218 | - | 30 | 3 | - | 8-25 | |
200 | 600 | 305 | 360 | 310 | 278 | - | 34 | 3 | - | 12-25 | |
4.0 | 15 | 130 | 100 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-14 |
20 | 150 | 105 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | |
25 | 160 | 120 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | |
32 | 180 | 130 | 135 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | |
40 | 200 | 135 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | |
50 | 230 | 149 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | |
80 | 310 | 169 | 195 | 160 | 135 | 121 | amashumi anambini | 3 | 4 | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | 150 | amashumi amabini anesine | 3 | 4.5 | 8-23 | |
150 | 480 | 255 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-25 | |
200 | 600 | 305 | 375 | 320 | 282 | 260 | 38 | 3 | 4.5 | 12-30 |