D371X-16Q manual butterfly valve is a kind of turbo butt-clamp butterfly valve, mainly used for system water supply and drainage. Its structure is compact, with 90 ° rotary switch, easy operation, reliable sealing, long service life, widely used in water supply and drainage in water plants, power plants, steel mills, papermaking, chemical industry, catering and other systems, mainly used for regulating and shut-off function.
Product Features
- Compact structure: the use of clamping design, making the entire valve structure is compact, occupies little space, easy to install and maintain.
- Reliable sealing performance: the butterfly valve adopts soft sealing material, which ensures good sealing of the valve in the closed state and effectively prevents fluid leakage.
- Flexible rotation angle: the rotation angle of butterfly valve is 0°-90°, which can be precisely adjusted according to the need to realize the flexible control of flow.
Product Parameters
Product Model | D371X-16Q |
Valve body material | Ductile Iron |
Valve plate material | Ductile Iron/304 Stainless Steel |
Rubber lining material | EPDM |
Nominal pressure | ≤1.6Mpa |
Applicable medium | Water, Gas, Oil, etc. |
Applicable temperature | ≤80°C |
Product Size Reference

DN | L | D | Z-d |
50 | 42 | 125 | 4-23 |
65 | 44.7 | 145 | 4-26.5 |
80 | 45.2 | 160 | 8-18 |
100 | 52.1 | 180 | 4-24.5 |
125 | 54.4 | 210 | 4-23 |
150 | 55.8 | 240 | 4-25 |
200 | 60.6 | 295 | 4-25 |
250 | 65.6 | 355 | 4-29 |
300 | 76.9 | 410 | 4-29 |
350 | 76.5 | 470 | 4-30 |
400 | 86.5 | 525 | 4-30 |
450 | 105.6 | 585 | 4-30 |
500 | 131.8 | 650 | 4-33 |
600 | 152 | 770 | 4-36 |














