Main Parts And Materials
Valve Body：Gray cast iron, Nodular cast iron
Valve plate：Nodular cast iron
Valve shaft: Carbon steel, Stainless steel.
Seal ring: NBR, EPDM
Usage: D371X-10/10Q/16/16Q mainly used for block valve, and can also be designed with regulation or
block function. The user can choose the pin type or no pin type according to different requirements.
Application: chemitry industry , oil and gas industry etc.
Function & Specification
| Type | Nominal pressure(Mpa) | Test pressure(Mpa) | Applicable temperature(°C) | Applicable media | |
| Strength(water) | Seal(water) | ||||
| D371X-10/10Q | 1 | 1.5 | 1.1 | -10-80°C | Water |
| D371X -16/16Q | 1.6 | 2.4 | 1.76 | -10-80°C |
Water |
Outline And Connecting Measurement
| Model | Nominal diameter | Size | ||||||
| mm | φ | (H) | B | Z-φd | L | |||
| D371X-16/16Q | 50 | 125 | 170 | 230 | 4-φ23 | 43 | ||
| 65 | 145 | 178 | 230 | 4-φ23 | 46 | |||
| 80 | 160 | 202 | 230 | 4-φ23 | 46 | |||
| 100 | 180 | 222 | 255 | 4-φ23 | 52 | |||
| 125 | 215 | 233 | 275 | 4-φ23 | 56 | |||
| 150 | 245 | 257 | 275 | 4-φ26 | 56 | |||
| 200 | 295 | 295 | 285 | 4-φ26 | 60 | |||
| 250 | 350 | 355 | 340 | 289 | 4-φ23 | 4-φ28 | 68 | |
| 300 | 400 | 410 | 380 | 289 | 4-φ23 | 4-φ28 | 78 | |
| 350 | 460 | 470 | 420 | 289 | 4-φ23 | 4-φ28 | 78 | |
| 400 | 515 | 525 | 522 | 363 | 4-φ28 | 4-φ31 | 102 | |
| 450 | 565 | 585 | 536 | 363 | 4-φ28 | 4-φ31 | 114 | |
| 500 | 650 | 650 | 604 | 363 | 4-φ28 | 4-φ34 | 127 | |
| 600 | 725 | 770 | 695 | 427 | 4-φ31 | 4-φ37 | 154 | |
| D371X-16/16Q | 700 | 840 | 840 | 811 | 482 | 4-M27 | 165 |
| 800 | 950 | 950 | 893 | 482 | 4-M30 | 190 | |
| 900 | 1050 | 1050 | 903 | 529 | 4-φ30 | 203 | |
| 1000 | 1160 | 1170 | 983 | 529 | 4-φ30 | 216 |
Pre: Pair of Centerline Butterfly Valves D71X-10/10Q/16/16Q Next: Double Eccentric Flange Butterfly Valve D342X-10/10Q
