H41S-16Q Horizontal and vertical dual-use check valve is a kind of valve that can prevent the backflow of media, its main features are high temperature resistance, good sealing, easy installation, fast closing speed, and can eliminate water hammer, noise, flow resistance and other problems. Horizontal and vertical check valves can be installed in vertical or horizontal pipelines, with no-leakage energy-saving effect. Widely used in petroleum, chemical, boiler, printing and dyeing, water supply and drainage and other fields.
Product Parameters
Product Model | H41S-16Q |
Valve body material | Ductile Iron |
Nominal pressure | ≤1.6Mpa |
Applicable medium | Water, Steam, Oil, etc. |
Applicable temperature | ≤250°C |
Product Size Reference

DN | L | D | D1 | D2 | b | Z-Фd |
15 | 130 | 95 | 65 | 45 | 14 | 4-14 |
20 | 150 | 105 | 75 | 55 | 16 | 4-14 |
25 | 160 | 115 | 85 | 65 | 16 | 4-14 |
32 | 180 | 135 | 100 | 78 | 18 | 4-18 |
40 | 200 | 145 | 110 | 85 | 18 | 4-18 |
50 | 230 | 160 | 125 | 100 | 20 | 4-18 |
65 | 290 | 180 | 145 | 120 | 20 | 4-18 |
80 | 310 | 195 | 160 | 135 | 22 | 8-18 |
100 | 350 | 215 | 180 | 155 | 24 | 8-18 |
125 | 400 | 245 | 210 | 185 | 26 | 8-18 |
150 | 480 | 280 | 240 | 210 | 28 | 8-23 |
200 | 600 | 335 | 295 | 265 | 30 | 12-23 |














