Kòm yon fason pi rafine rankontre ak vle kliyan an, tout operasyon nou yo entèdi fèt an liy ak deviz nou an "segondè kalite, pri agresif, sèvis rapid" pou faktori apwovizyone.Asye pur OEM Leve valv chèk, Nou pral otorize moun pa kominike ak koute, Mete yon egzanp bay lòt moun ak aprann nan eksperyans.
Kòm yon fason pi rafine rankontre ak vle kliyan an, tout operasyon nou yo estrikteman fèt an liy ak deviz nou an "meyè kalite, pri agresif, sèvis rapid" pouLeve valv chèk,OEM,Asye pur , Nou fè efò pou ekselans, amelyorasyon konstan ak inovasyon, se angaje nan fè nou "konfyans nan kliyan" ak "premye chwa nan jeni machin Pwodwi pou Telefòn mak" founisè yo. Chwazi nou, pataje yon sitiyasyon genyen-genyen!
Leve valv chèk refere a valv la ki otomatikman louvri epi fèmen disk la depann sou koule nan medyòm nan tèt li pou anpeche mwayen backflow, konnen tou kòm valv chèk, valv yon sèl-fason, valv counterflow, ak valv presyon tounen. Valv chèk se yon valv otomatik. Fonksyon prensipal li se anpeche rflu mwayen, ponp ranvèse ak motè kondwi, ak lage mwayen veso. Tiyo chèk yo ka itilize tou nan tiyo pou bay sistèm oksilyè kote presyon ka monte pi wo pase presyon sistèm lan. Tiyo chèk yo ka divize an valv chèk balanse (wotasyon dapre sant gravite a) ak valv chèk leve (k ap deplase sou aks la).
Done teknik
PN (MPa)Presyon nominal | 1.6 | 2.5 | 4.0 | |
(MPa)Tès presyon | Tès fòs Shell | 2.4 | 3.75 | 6.0 |
Tès sele (likid) | 1.76 | 2.75 | 4.4 | |
Tès sele (gaz) | 0.5 ~ 0.7 | |||
Apwopriye mwayen | dlo, vapè, lwil | PNiter asid | Rlwil oliv | |
Tanperati apwopriye | ≤425 | ≤100 | ≤550 |
Meterial nan pati prensipal yo
Non. | Non pati | Materyèl | |
ASTM | GB | ||
1 | Kò valv | WCB, WC1, WC6, WC9, C5 CF8, CF8M, CF8C, CF3, CF3M | WCB, WC1, WC6, WC9, C5 CF8, CF8M, CF8C, CF3, CF3M |
2 | Disk valv | WCB, WC1, WC6, WC9, C5 CF8, CF8M, CF8C, CF3, CF3M | WCB, WC1, WC6, WC9, C5 CF8, CF8M, CF8C, CF3, CF3M |
3 | Boulon stud | A193-B7, A320-B8, A193-B8M | 35CrMoA,25Cr2MoV,0CM8Ni9,0Cr17Ni12Mo2 |
4 | Egzagòn nwa | A194-2H, A194-8, A194-8M | 45,35CrMoA,25Cr2MoV, 0Cr18Ni9,0Cr17Ni12Mo2 |
5 | Joint | Grafit fleksib + Nerjaveèi | Grafit fleksib + Nerjaveèi |
6 | bonn valv | A105, F11, F22, F5, F9 F304, F316, F321, F304L, F316L | 25,1Cr18Ni9Ni,0Cr18Ni12Mo2Ti 20Cr1Mo1V,25Cr2MoV |
Dimansyon prensipal yo
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 | - | vennde | 3 | - | 8-18 | |
150 | 480 | 180 | 280 | 240 | 210 | - | vennkat | 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 | - | vennde | 3 | - | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | - | vennkat | 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 | vennde | 3 | 4 | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | 150 | vennkat | 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 |