"Imperare vexillum per singula, ostende duritiem per qualitatem". Firma nostra conatus est constituere operarum operarum validissimam et stabilem atque efficacem rationem procurationis efficacem exploravit pro MMXIX Sinis Novum Design Sinarum Dn100 Pn16 Flat Flat Flapper Vertical Clapper Flange Cast Iron Wafer Type Butterfly Check Valve Swing, nos plene suscipiunt clientes ab omnibus per orbem terrarum stabilia et mutua negotia relationes utiles constituere, ut clara futura simul habeantur.
"Imperare vexillum per singula, ostende duritiem per qualitatem". Firmus noster conatus est constituere operarios validissimos et stabiles operandi vim et efficacem rationem GENERALIS administrandi exploravitSina aes perscriptio Valvae,Valvae Check，pn16 reprehendo valvae Noster focus in productum qualitatem, innovationem, technologiam et technologiam nos unum ex indubiis ducum terrarum in campo fecit. Notionem "Qualitatis Primae, Customer Paramount, Sinceritatis et Innovationis" in animo nostro gerentes, magnum progressum superioribus annis consecuti sumus. Clientes accipiuntur ad emendas emendas nostras, vel nobis petitiones mitte. Tu impressus eris per qualitatem nostram et pretium. Please contact us now!
Materiae principales: chalybs carbonis, chalybs immaculata, Inconel, Incoloy, etc.
Pressura et temperatus
| DN（mm） Nominal diameter | 50(2″)~ 700(28″) | 50(2″)~ 450 (18″) | |
| PN (pressura nominatim) | 1.0 | 1.6 | |
| MPa Testis pressura | Testa | 1.5 | 2.4 |
| signare | 1.1 | 1.76 | |
| Idoneus temperatus | |||
| Apta media | Aqua fraus, purgamentum, aer, vapor, cibus, medicina, oleum, acida, etc. | ||
Metallum partium praecipuarum
| partes | materia |
| corpus | ferrum missum, ductile ferrum; |
| sedes | EPDM, NBR, VITON, PTFE |
| disc | nickel ferrum ductile, AI aes, chalybeus immaculatus |
| stem | chalybe, immaculata chalybe |
| bushing | PTFE |
| "O" anulum | PTFE |
| pin | immaculatam ferro |
| clavis | immaculatam ferro |
Executive Standard:
| Design Standard | EN 593, MSS. SP67 API 609 BS5155 |
| Inspectionis & Test | API 598 ISO 5208 EN 12266 |
| Finis Standard | ANSI B16.1 CL. 125LB & B16.5 CL. 150LBAS 2129 Tabula D & E BS 10 Tabula D & EDIN 2501 PN6, PN10 & PN16EN 1092 PN6, PN10 & PN16ISO 2531 PN6, PN10 & PN16ISO 7005 PN6, PN10 & PN16KS B 1511 / JIS B 2210 5K & 10K MSS SP44 CL. 150LB AWWAC207SABS 1123 Tabula 1000/3 & Tabula 1600/3 |
| Facie ad faciem | ISO 5752 , EN 558 , MSS, SP67 et API 609 DIN3202 |
Praecipua mensurae et ponderis
| DN | D | D1 | D2 | L | R | t | pondus(kg) | |
| mm | digitis | |||||||
| 50 | 2" | 107 | 65 | 43.3 | 43 | 28.2 | 19 | 1.5 |
| 65 | 2.5″ | 127 | 80 | 60.2 | 46 | 36.1 | 20 | 2.4 |
| 80 | 3″ | 142 | 94 | 66.4 | 64 | 43.4 | 28 | 3.6 |
| 100 | 4″ | 162 | 117 | 90.8 | 64 | 52.8 | 27 | 5.7 |
| 125 | 5″ | 192 | 145 | 116.9 | 70 | 65.7 | 30 | 7.3 |
| 150 | 6″ | 218 | 170 | 144.6 | 76 | 78.6 | 31 | 9.0 |
| 200 | 8" | 273 | 224 | 198.2 | 89 | 104.4 | 33 | 17 |
| 250 | 10″ | 328 | 265 | 233.7 | 114 | 127 | 50 | 26 |
| 300 | 12″ | 378 | 310 | 283.9 | 114 | 148.3 | 43 | 42 |
| 350 | 14″ | 438 | 360 | 332.9 | 127 | 172.4 | 45 | 55 |
| 400 | 16″ | 489 | 410 | 381.0 | 140 | 197.4 | 52 | 75 |
| 450 | 18 | 539/555 | 450 | 419.9 | 152 | 217.8 | 58 | 101/107 |
| 500 | 20″ | 594 | 505 | 467.8 | 152 | 241 | 58 | 111 |
| 600 | XXIV" | 690 | 624 | 572.6 | 178 | 295.4 | 73 | 172 |
| 700 | 28″ | 800 | 720 | 680 | 229 | 354 | 98 | 219 |
