Ing pekamasanting a presyu H77X EPDM Seat Wafer Butterfly Check Valve gawa keng Tianjin
Pamaglarawan:
EH Series Dual plate wafer check valveatin yang adwang torsion springs a miyabe kareng balang metung kareng pair valve plates, na magsara kareng plates mabilis at automatic, na makapigil keng medium a mamagus pabalik. Ing check valve malyari yang i-install kareng horizontal ampo vertical a direksyun a pipeline.
Katangian:
-Malati ya ing sukad, magaan ya ing timbang, compact ya ing sturcture, madali yang maintenance.
-Adwa lang torsion springs deng miyabe kareng balang metung kareng pair valve plates, na magsara kareng plates mabilis at automatic.
-Ing mabilis a aksyon ning tela pipigilan ne ing medium a mamagus pabalik.
-Makuyad a lupa at masanting a pangatibe.
-Madali yang i-install, malyari yang i-install keng horizontal ampo vertival a direksyun a pipeline.
-Ining valve masipit yang makasara, alang leakage keng lalam ning water pressure test.
-Ligtas at mapanalig keng operasyun, Matas a panga-abala.
Applications:
Pangkabilugan a pamangamit king industriya.
Sukat:

| Dagul | D | D1 | D2 | L | R | t | Timbang (kg) | |
| (mm) | (pulgada) | |||||||
| 40 | 1.5′′ | 92 | 65 | 43.3 | 43 | 28.8 | 19 | 1.5 |
| 50 | 2′′ | 107 | 65 | 43.3 | 43 | 28.8 | 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 |
| 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 | 140 | 197.4 | 52 | 75 |
| 450 | 18′′ | 539 | 450 | 419.9 | 152 | 217.8 | 58 | 101 |
| 500 | 20′′ | 594 | 505 | 467.8 | 152 | 241 | 58 | 111 |
| 600 | 24′′ | 690 | 624 | 572.6 | 178 | 295.4 | 73 | 172 |
| 700 | 28′′ | 800 | 720 | 680 | 229 | 354 | 98 | 219 |





