H41X noise elimination check valve
Place of Orign :China
Product name: H41X noise elimination check valve
![]() | Product Presentation: H41X Daming Check Valve is mounted on the outlet pipe of the pump for the security pipes for avoiding the reversal rotation caused by the pressed water stream to impact the pump's stopping. This valve is small volume, light and convenient. With guiding device, flexible closing, linear sealing, excellent check result and can reducing the closing noise efficiently. Purpose锛 This valve is mainly used for water supply and drainage, fire protection, hvac system, can be installed in the pump outlet place, to prevent the backflow medium and water hammer pump damage. |
Characteristics锛
Internal parts are streamline design, small flow resistance, energy saving, on its own spring force closed, can prevent the water hammer, simple structure, reliable
Performance specification:
Normal pressure (Mpa) | Body test pressure (Mpa) | Sealing test pressure (Mpa) | Applicable medium | Applicable temperature (°C) |
1.0 | 1.5 | 1.1 | water | 0~80 |
Main parts materials
NO. | Part | Material |
1 | Body | Ductile iron |
2 | Gasket | EPDM |
3 | Disc | Brass/ductile iron |
4 | Stem/Sring | Stainless steel |
5 | Shaft sleeve | Copper alloy |
DN | L | D | D1 | D2 | b | N-Ød |
50 | 124 | 165 | 125 | 99 | 19 | 4-19 |
65 | 138 | 185 | 145 | 118 | 19 | 4-19 |
80 | 157 | 200 | 160 | 132 | 19 | 8-19 |
100 | 168 | 220 | 180 | 156 | 19 | 8-19 |
125 | 190 | 250 | 210 | 184 | 19 | 8-19 |
150 | 210 | 285 | 240 | 211 | 19 | 8-23 |
200 | 255 | 340 | 295 | 266 | 20 | 12-23 |
250 | 283 | 405 | 355 | 319 | 22 | 12-28 |
300 | 300 | 460 | 410 | 370 | 24.5 | 12-28 |
350 | 350 | 520 | 470 | 429 | 26.5 | 16-28 |
400 | 400 | 580 | 525 | 480 | 28 | 16-31 |
450 | 450 | 640 | 585 | 548 | 30 | 20-31 |