Fisher 8590 Valve is a high performance butterfly valve that can maintain tight shutoff for use under extreme pressure and temperature conditions.
Fisher 8590 Valve is a high performance butterfly valve that can maintain tight shutoff for use under extreme pressure and temperature conditions.
The splined shaft of the Fisher 8590 combines with a variety of spring-and-diaphragm or pneumatic piston actuators to make the 8590 a reliable, high-performance butterfly valve for a variety of throttling and on-off applications in the various process industries.
The 8590 valve can be supplied with one of several dynamic seals that can be used in a variety of demanding applications.
See how Fisher Control Valves provide safe, efficient and intuitive flow control.
Fisher 8590 butterfly valves should be installed with the shaft horizontal in a normal flow direction – horizontal installation will enhance valve performance as process fluids will sweep entrained solids from valve surfaces preventing particle build-up on the valve seals.
| Category | Mechanical |
|---|
| Specifications | ASME |
| Valve Body Size | NPS 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24 |
| Pressure Rating | CL600 per ASME B16.34 |
| Valve Body Materials | WCC or CF8M (std) |
| LCC, CD3MN, M35-2, and CW2M | |
| Disk Materials | CF8M (std), CD3MN, M35-2, and CW2M |
| Disk Edge Coating | Chrome Plate (std) Chrome Coat Chromium Carbide Coating |
| End Connections | Mates with RF Flanges per ASME B16.5 Optional construction mates with RTJ Flanges per ASME B16.5 |
| Valve Body Style | Lugged (Single Flange) or Lugged with drilled through flange holes |
| Face-to-Face Dimensions | Meets MSS SP68, API 609, ASME B16.10, and EN 558 standards |
| Shutoff | Soft Seal: Class VI |
| Metal Seal: Class IV, reverse direction only | |
| Phoenix III Seal: Class VI; reverse direction preferred, forward direction optional | |
| High Pressure Seal: Class VI, reverse direction only | |
| Flow Direction | Standard (reverse flow) is with the flow into the shaft side of the disk |
| Flow Characteristic | Linear |
| Disk Rotation | Clockwise (CW) to close |
| Valve Size | A | E | F | G | K | R | S(1) | T | U | Y(2) | W(2) | Approximate Weight |
| mm | kg | |||||||||||
| NPS 3 | 52 | 187 | 198 | 98 | 123 | 127 | 15.9 | 117 | – | 3/4-10 | 1/2-13 | 10.8 |
| NPS 4 | 62 | 214 | 259 | 128 | 150 | 157 | 19.1 | 152 | 32 | 7/8-9 | 1/2-13 | 21.6 |
| NPS 6 | 76 | 208 | 333 | 166 | 220 | 216 | 31.8 | 235 | 46 | 1-8 | 5/8-11 | 45.5 |
| NPS 8 | 102 | 208 | 407 | 241 | 234 | 270 | 38.1 | 235 | 46 | 1-1/8-8 | 5/8-11 | 80.2 |
| NPS 10 | 116 | 356 | 506 | 312 | 302 | 324 | 44.5 | 273 | 51 | 1-1/4-8 | 3/4-10 | 157 |
| NPS 12 | 140 | 356 | 553 | 339 | 332 | 381 | 50.8 | 273 | 51 | 1-3/8-8 | 3/4-10 | 213 |
| NPS 14 | 157 | 356 | 597 | 370 | 348 | 413 | 63.5 | 337 | 76 | 1-1/2-8 | 7/8-9 | 281 |
| NPS 16 | 178 | 356 | 678 | 408 | 386 | 470 | 63.5 | 337 | 76 | 1-5/8-8 | 7/8-9 | 395 |
| NPS 18 | 198 | 508 | 735 | 451 | 427 | 533 | 76.2 | 533 | 127 | 1-5/8-8 | 1-1/4-8 | 563 |
| NPS 20 | 216 | 508 | 807 | 478 | 446 | 584 | 76.2 | 533 | 127 | 1-5/8-8 | 1-1/4-8 | 721 |
| NPS 24 | 230 | 508 | 933 | 544 | 413 | 692 | 76.2 | 533 | 127 | 1-7/8-8 | 1-1/4-8 | 1000 |
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