H76H butt-clamp double-flap check valve is used for pure pipeline and industry, environmental protection, water treatment, high-rise building water supply and drainage pipeline, to stop the medium reverse flow. The check valve is clamped, the butterfly plate for the two semicircular, and the use of spring forced reset, the sealing surface can be for the body surfacing wear-resistant materials or rubber lining, a wide range of use, sealing and reliable.
Product Features
- Compact size, lightweight, and compact structure for easy maintenance.
- The valve closes rapidly with minimal water hammer pressure.
- Suitable for both horizontal and vertical piping, with easy installation.
- Smooth flow path, low fluid resistance, responsive operation, and excellent sealing performance.
- The valve disc has a short stroke, resulting in low closing impact force and extended service life.
Product Parameters
Product Model | H76H-16C |
Valve Body Material | Cast Steel |
Nominal Pressure | ≤1.6Mpa |
Applicable Media | Water, Steam, Oil, etc. |
Applicable Temperature | ≤250°C |
Product Size Reference

Nominal Diameter | L | D | D2 | D3 |
DN40 | 60 | 96 | 41 | 46 |
DN50 | 60 | 109 | 51 | 56 |
DN65 | 67 | 129 | 65 | 73 |
DN80 | 73 | 144 | 80 | 88 |
DN100 | 73 | 164 | 102 | 108 |
DN125 | 86 | 194 | 127 | 132 |
DN150 | 98 | 220 | 152 | 160 |
DN200 | 127 | 275 | 203 | 210 |
DN250 | 146 | 330 | 254 | 266 |
DN300 | 181 | 380 | 305 | 310 |
DN350 | 184 | 440 | 350 | 355 |
DN400 | 191 | 492 | 400 | 405 |
DN450 | 203 | 542 | 450 | 455 |
DN500 | 219 | 597 | 500 | 505 |
DN600 | 222 | 698 | 600 | 605 |

















