VALVES
Wafer soft-seated butterfly valve
D71 / D371 / D671 / D971 (X, J)
- Model notation in source
- D71, D371, D671, D971 (X, J)
- Connection
- Wafer
- Size / pressure table coverage
- PN0.25–0.6 MPa: DN50–1400; PN1.0 / 1.6 MPa: flange data shown through DN1200
Confirm configuration, price, quantity and lead time for each enquiry.
Complete PN1.0 MPa column group, including shared L/H/H1 columns. The source leaves the DN1400 PN1.0 flange cells blank. H1=710 at DN450 is reproduced as printed and requires confirmation.
Units: mm, except NPS in inches and a in degrees
| DN (mm) | Inch | L | H | H1 | D1 | Z–φ(M)d | a |
|---|---|---|---|---|---|---|---|
| 50 | 2 | 43 | 80 | 160 | 125 | 4–18 | 45° |
| 65 | 2½ | 46 | 88 | 175 | 145 | 4–18 | 45° |
| 80 | 3 | 46 | 96 | 180 | 160 | 4–18 | 22°30′ |
| 100 | 4 | 52 | 115 | 200 | 180 | 4–18 | 22°30′ |
| 125 | 5 | 56 | 125 | 213 | 210 | 4–18 | 22°30′ |
| 150 | 6 | 56 | 140 | 225 | 240 | 4–23 | 22°30′ |
| 200 | 8 | 60 | 175 | 260 | 295 | 4–23 | 15° |
| 250 | 10 | 68 | 202 | 290 | 350 | 4–23 | 15° |
| 300 | 12 | 78 | 242 | 330 | 400 | 4–23 | 15° |
| 350 | 14 | 78 | 266 | 360 | 460 | 4–23 | 11°15′ |
| 400 | 16 | 102 | 298 | 390 | 515 | 4–25 | 11°15′ |
| 450 | 18 | 114 | 315 | 710 | 565 | 4–25 | 9° |
| 500 | 20 | 127 | 348 | 430 | 620 | 4–25 | 9° |
| 600 | 24 | 154 | 400 | 490 | 725 | 4–30 | 9° |
| 700 | 28 | 165 | 520 | 550 | 840 | 4–M27 | 7°30′ |
| 800 | 32 | 190 | 591 | 610 | 950 | 4–M30 | 7°30′ |
| 900 | 36 | 203 | 660 | 680 | 1050 | 4–M30 | 6°26′ |
| 1000 | 40 | 216 | 670 | 730 | 1160 | 4–M30 | 6°26′ |
| 1200 | 48 | 254 | 780 | 835 | 1380 | 4–M36 | 5°38′ |
| 1400 | 56 | 279 | 950 | 985 | — | — | — |
Specifications compiled from available product documents，Document page: 45。Dimensions, performance and suitability are subject to confirmed drawings and ordering documents.
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