RESILIENT SEATED · FLANGED
DS341X
Telescopic Flanged Resilient-Seated Butterfly Valve
Water networks requiring installation compensation. Final configuration is selected against the actual medium, temperature, pressure, materials and control requirements.
KEY SPECIFICATIONS
Confirmed product definition
PRODUCT OVERVIEW
Built around the stated duty
DS341X is a flanged butterfly valve with worm gear operation. Water networks requiring installation compensation.
The final order configuration is confirmed against project conditions and approved technical documents.
SELECTION NOTES
Information to confirm
- Medium and operating temperature
- DN, pressure class and flange or end standard
- Body, disc, stem and seat materials
- On/off or modulating duty and required fail position
- Quantity, documentation and delivery requirements
STRUCTURE
Construction details
DIMENSIONS
Dimension and connection drawings
Use the approved order drawing for final installation.
TECHNICAL DATA
Specifications and dimensions
Final dimensions and configuration must follow the approved order drawing.
Technical Specifications
| Model | DS341X |
|---|---|
| Nominal diameter | DN50–2000 (PN0.6)；DN50–1600 (PN1.0, PN1.6) |
| Nominal pressure | PN0.6 / PN1.0 / PN1.6 MPa |
| Seat test pressure | 0.66 / 1.1 / 1.76 MPa |
| Shell test pressure | 0.9 / 1.5 / 2.4 MPa |
| Operating temperature | -40°C–90°C (Resilient seated X)；-20°C–200°C (Resilient seated XF) |
| Connection | Flanged |
| Actuation | Worm gear |
| Sealing | Resilient seated |
| Suitable media | Water, air, natural gas, oil and mildly corrosive fluids |
| Leakage rate | In accordance with GB/T 13927 |
| Typical service | Water supply, drainage and industrial water systems |
Materials / Performance Data
| Body | WCB, QT450-10, Stainless steel |
|---|---|
| Disc | WCB, QT450-10, Stainless steel |
| Stem | 2Cr13 Stainless steel |
| Seal ring | rubber |
| Packing | Flexible graphite |
Dimensions and Connection Data 1
| DN | D | D1 | D2 | Lmax | Lmin | H1 | H2 | N-Φd |
|---|---|---|---|---|---|---|---|---|
| 100 | 220 | 180 | 156 | 216 | 174 | 110 | 170 | 8-Φ18 |
| 125 | 250 | 210 | 184 | 232 | 186 | 123 | 182 | 8-Φ18 |
| 150 | 285 | 240 | 211 | 239 | 194 | 140 | 210 | 8-Φ22 |
| 200 | 340 | 295 | 266 | 264 | 214 | 170 | 238 | 8-Φ22 |
| 250 | 395 | 350 | 319 | 296 | 235 | 195 | 270 | 12-Φ22 |
| 300 | 445 | 400 | 370 | 300 | 250 | 222 | 300 | 12-Φ22 |
| 350 | 505 | 460 | 429 | 320 | 270 | 252 | 330 | 16-Φ22 |
| 400 | 565 | 515 | 480 | 332 | 282 | 285 | 368 | 16-Φ26 |
| 450 | 615 | 565 | 530 | 355 | 305 | 310 | 402 | 20-Φ26 |
| 500 | 670 | 620 | 582 | 365 | 315 | 337 | 438 | 20-Φ30 |
| 600 | 780 | 725 | 682 | 420 | 340 | 393 | 490 | 24-Φ30 |
| 700 | 895 | 840 | 794 | 446 | 396 | 450 | 558 | 24-Φ33 |
| 800 | 1015 | 950 | 901 | 476 | 426 | 515 | 625 | 28-Φ33 |
| 900 | 1115 | 1050 | 1001 | 506 | 456 | 560 | 685 | 28-Φ33 |
| 1000 | 1230 | 1160 | 1112 | 516 | 466 | 610 | 750 | 28-Φ36 |
| 1200 | 1455 | 1380 | 1328 | 560 | 510 | 725 | 880 | 32-Φ39 |
| 1400 | 1675 | 1590 | 1530 | 590 | 540 | 840 | 987 | 36-Φ42 |
| 1600 | 1915 | 1820 | 1750 | 630 | 585 | 960 | 1158 | 40-Φ48 |
| 1800 | 2115 | 2020 | 1950 | 680 | 630 | 1060 | 1258 | 44-Φ48 |
| 2000 | 2325 | 2230 | 2150 | 730 | 680 | 1165 | 1365 | 48-Φ48 |
APPLICATIONS
Use only after duty review
Water networks requiring installation compensation. Media compatibility, temperature limits and actuation details must match the selected configuration.
DS341X INQUIRY