Description
Structural Features
Model H71 Wafer Lift Check Valve. The valve seat and valve disc are processed by heat treatment and aging treatment, and the machining accuracy reaches Micron (μm) level, and zero leakage when closed. Suitable for steam pipelines, noncorrosive gases, liquids and other media
Structure Digram
| Pressure level | Size | Dimensions(mm) | Weight (Kg) | Pipe flange (for reference) | ||||||||||
| NPS | DN | L | D | D2 | D3 | D4 | Bolt hole center Diameter D1 | Bolt Quantity | Screw diameter d | Bolt length L1 | ||||
| in | mm | RF | RJ | |||||||||||
| Class150 PN2.0MPa | 1/2 | 15 | 25 | 46 | 15 | 25 | 25 | 0.28 | 60.5 | 4 | 1/2 | M14 | 90 | – |
| 3/4 | 20 | 31.5 | 56 | 19 | 30 | 30 | 0.42 | 70 | 4 | 1/2 | M14 | 100 | – | |
| 1 | 25 | 35.5 | 65 | 24 | 36 | 36 | 0.56 | 79.5 | 4 | 1/2 | M14 | 105 | 120 | |
| 11/4 | 32 | 40 | 74 | 31 | 43 | 43 | 0.75 | 89 | 4 | 1/2 | M14 | 115 | 130 | |
| 11/2 | 40 | 45 | 84 | 39 | 52 | 52 | 1.3 | 98.5 | 4 | 1/2 | M14 | 120 | 135 | |
| 2 | 50 | 56 | 103 | 48 | 62 | 62 | 2.1 | 120.5 | 4 | 5/8 | M16 | 140 | 155 | |
| 21/2 | 65 | 63 | 122 | 62 | 75 | 75 | 2.8 | 139.5 | 4 | 5/8 | M16 | 155 | 170 | |
| 3 | 80 | 71 | 135 | 76 | 90 | 90 | 3.6 | 152.5 | 4 | 5/8 | M16 | 165 | 180 | |
| 4 | 100 | 80 | 173 | 95 | 112 | 112 | 4.8 | 190.5 | 8 | 5/8 | M16 | 175 | 190 | |
| 5 | 125 | 110 | 195 | 110 | 125 | 132 | 12 | 216.0 | 8 | 3/4 | M20 | 210 | 225 | |
| 6 | 150 | 125 | 220 | 127 | 150 | 158 | 17 | 241.5 | 8 | 3/4 | M20 | 230 | 245 | |
| 8 | 200 | 160 | 277 | 165 | 200 | 208 | 29 | 298.5 | 8 | 3/4 | M20 | 270 | 285 | |
