Malo athu okhala ndi zida komanso kuwongolera kwapamwamba kwambiri pamagawo onse opanga kumatithandiza kutsimikizira kukhutitsidwa kwa ogula pa OEM Supply China 8 Inch RF Flanged Cast Steel Non Return Check Valve, Pokhapokha kukwaniritsa zinthu zabwino kwambiri kuti tikwaniritse zomwe kasitomala akufuna, malonda athu onse adawunikiridwa mosamalitsa asanatumizidwe.
Malo athu okhala ndi zida zonse komanso kuwongolera kwapamwamba kwambiri pamagawo onse opanga kumatithandiza kutsimikizira kukhutitsidwa kwa ogulaChina 8 inch Non Return Valve,RF Flanged Non Return Valve, onani valavu 4 inchi , Monga ogwira ntchito ophunzira bwino, aluso komanso amphamvu, takhala ndi udindo pazinthu zonse zofufuza, kapangidwe, kupanga, kugulitsa ndi kugawa. Pophunzira ndi kupanga njira zatsopano, sikuti tikungotsatira komanso tikutsogolera makampani opanga mafashoni. Timamvetsera mwachidwi maganizo ochokera kwa makasitomala athu ndikupereka mauthenga pompopompo. Mudzamva ukatswiri wathu komanso ntchito yathu yosamala.
Kukweza valavu yowunikira kumatanthawuza valavu yomwe imatsegula ndi kutseka diski malingana ndi kutuluka kwa sing'anga yokha kuti iteteze kubweza kwapakati, komwe kumatchedwanso valve check, valve ya njira imodzi, valve counterflow, ndi valve back pressure. Check valve ndi valve automatic. Ntchito yake yayikulu ndikuletsa kubweza kwapakati, kupopera kwapampu ndi mota yoyendetsa, ndikutulutsa sing'anga yamachidebe. Ma valve owunika amathanso kugwiritsidwa ntchito m'mapaipi kuti apereke makina othandizira pomwe kupanikizika kumatha kukwera pamwamba pa kukakamiza kwadongosolo. Ma valve owunikira amatha kugawidwa kukhala ma valve oyendera (ozungulira molingana ndi pakati pa mphamvu yokoka) ndi kukweza ma valve (akuyenda motsatira axis).
Deta yaukadaulo
PN (MPa)Kupanikizika mwadzina | 1.6 | 2.5 | 4.0 | |
(MPa)Kupanikizika kwa mayeso | Chiyeso cha mphamvu ya chipolopolo | 2.4 | 3.75 | 6.0 |
Seal test (Zamadzimadzi) | 1.76 | 2.75 | 4.4 | |
Kuyesa kwa Seal (Gasi) | 0.5-0.7 | |||
Yoyenera sing'anga | madzi, nthunzi, mafuta | PMafuta a niter | Rmafuta | |
Kutentha koyenera | ≤425 | ≤100 | ≤550 |
Meter ya zigawo zikuluzikulu
Ayi. | Dzina lina | Zakuthupi | |
Chithunzi cha ASTM | GB | ||
1 | Thupi la vavu | WCB, WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M | WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
2 | Valve disc | WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M | WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
3 | Maboti a Stud | A193-B7,A320-B8,A193-B8M | 35CrMoA,25Cr2MoV,0CM8Ni9,0Cr17Ni12Mo2 |
4 | Hex mtedza | A194-2H,A194-8,A194-8M | 45,35CrMoA,25Cr2MoV, 0Cr18Ni9,0Cr17Ni12Mo2 |
5 | Gasket | Flexible graphite + chitsulo chosapanga dzimbiri | Flexible graphite + chitsulo chosapanga dzimbiri |
6 | bonnet ya valve | A105,F11,F22,F5,F9 F304, F316, F321, F304L, F316L | 25,1Cr18Ni9Ni,0Cr18Ni12Mo2Ti 20Cr1Mo1V,25Cr2MoV |
Miyeso yayikulu
PN (MPa) | DN(mm) | L | H | D | D1 | D2 | D6 | b | f | f2 | Z-odzi |
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 | - | makumi awiri ndimphambu ziwiri | 3 | - | 8-18 | |
150 | 480 | 180 | 280 | 240 | 210 | - | makumi awiri ndi mphambu zinayi | 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 | - | makumi awiri ndimphambu ziwiri | 3 | - | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | - | makumi awiri ndi mphambu zinayi | 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 | makumi awiri ndimphambu ziwiri | 3 | 4 | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | 150 | makumi awiri ndi mphambu zinayi | 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 |