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
- Small volume, light weight, compact structure, easy maintenance.
- The parallel flap closes quickly with low water hammer pressure.
- Horizontal or vertical pipes are used, easy to install.
- Smooth channel, low fluid resistance, sensitive action, good sealing performance.
- Short valve stroke, small closing impact, long service life.
Product Parameters
Product Model | H76H-16C |
Valve Body Material | Cast Steel |
Nominal Pressure | ≤1.6Mpa |
Applicable Media | Water, Steam, Oil, etc. |
Operating 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 |


















