Arrow type check valve is an important tool in preventing of blowing out in drilling operation. Comparing to other structure valves, it posses some advantages such as high strength, big flow area, high temperature resistant, high pressure resistant and easy maintenance.
型号 Type | 外径 0D | 内径 ID mm |
长度 L |
mm | inch |
FJ86/35/70-NC26 | 85.7 | 3-3/8 | 33 | 400 |
FJ105/35/70-NC31 | 104.8 | 4-1/8 | 44 | 410 |
FJ121/35/70-NC38 | 120.7 | 4-3/4 | 56 | 440 |
FJ140/35/70-NC40 | 139.7 | 5-1/2 | 56 | 440 |
FJ152/35/70-NC46 | 152.4 | 6 | 70 | 470 |
FJ168/35/70NC50(NC46) | 168.3 | 6-5/8 | 83 | 490 |
FJ178/35/70-NC50 | 177.8 | 7 | 83 | 500 |
FJ203/35/70-6-5/8FH | 230.2 | 8 | 83 | 520 |
FJ229/35/70-7-5/8REG | 228.6 | 9 | 83 | 570 |
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