一．Product Introduction
H76H, H76Y, H76W, H76X, H76F type clamp butterfly check valves are used in pure pipelines and industrial, environmental protection, water treatment, and high-rise building water supply and drainage pipelines to prevent the reverse flow of media.
二.Product Features
- Small size, light weight, compact structure and easy maintenance
- The valve plate adopts a dual type, which can be quickly closed by itself under the elastic force of the spring.
- Due to the quick-closing effect, the medium can be prevented from flowing back.
- The length and size of the valve body structure are small, and the rigidity is good.
- It is safe and convenient, and can be used for installation in both horizontal and vertical directions.
三.Technical data
| Model number | Working pressure
(MPa) |
Applicable temperature
(°C) |
Applicable media | Valve body material |
| H76H-10C～40 | 1.0～4.0 | －29～425 | Water, steam, oil | Carbon steel |
| H76W-10P～25 | 1.0～2.5 | ≤150 | Nitric acid | Stainless steel |
| H76Y-40P | 4.0 | ≤150 | Nitric acid | Stainless steel |
四.The main shape and connection size
| Nominal diameter DN (mm) | Size (mm) | |||
| L | H | B1 | B2 | |
| 200 | 230 | 550 | 540 | 600 |
| 250 | 250 | 630 | 600 | 700 |
| 300 | 270 | 690 | 650 | 740 |
| 350 | 290 | 780 | 710 | 800 |
| 400 | 310 | 860 | 770 | 870 |
| 450 | 330 | 910 | 830 | 920 |
| 500 | 350 | 980 | 900 | 1000 |
| 600 | 390 | 1070 | 1090 | 1250 |
| 700 | 430 | 1220 | 1200 | 1360 |
| 800 | 470 | 1320 | 1320 | 1480 |
| 900 | 510 | 1430 | 1420 | 1580 |
| 1000 | 550 | 1550 | 1550 | 1700 |
| 1200 | 630 | 1800 | 1780 | 1950 |
| 1400 | 710 | 1980 | 2000 | 2175 |