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Further Information
Steel Fully Lugged Butterfly Valve DN 200 to 600
Return to search results >4990PGN25 - PN25 - DN 200 to 600
Pressure/Temperature Rating
25bar from -10 to 135ºC
20.7bar at 149ºC
3.4bar at 204ºC
Test Pressure
Body: 37.5 bar
Seat: 27.5 bar
Specification
Designed to BS EN 593
Face to face dimensions to BS EN558-1 basic series16
Reinforced PTFE disk seal
Stainless steel body seat
Double eccentric disk
Double eccentric disk
Valves are supplied gear operated
Actuator flange ISO 5211/1
To suit flange connections BS EN1092-2 PN25, alternative flanges available
Technical Helpline: 0845 604 1790
Material Specification
| Component | Material | Specification BS EN |
|
|---|---|---|---|
| Body | Steel | 10213-2 GP240GH | A216 WCB |
| Body Seat | Stainless Steel | 12073 XCrNiMn23-12-2 | |
| Disk | Stainless Steel | 10088-1 X17CrNi16-2 | AISI 431 |
| Disk Seal Ring | PTFE or PTFE/Neoprene | ||
| Retaining ring | Stainless Steel | 10088-1 X17CrNi16-2 | AISI 431 |
| Stem | Stainless Steel | 10088-1 X17CrNi16-2 | AISI 431 |
| Disk Pin | Stainless Steel | 10088-1 X17CrNi16-2 | AISI 431 |
| Bottom Cap | Steel | ||
| Gland Packing | PTFE Graphite | ||
| Bearings | Bronze-PTFE | ||
| Gearbox | Cast Iron | 1561 EN-JLI030 | A126 CI B |
| Handwheel | Steel |
Dimensions
| Nominal Size | mm | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
|---|---|---|---|---|---|---|---|---|---|
| A | mm | 89 | 114 | 114 | 127 | 140 | 152 | 152 | 178 |
| B | mm | 294 | 333 | 382 | 398 | 448 | 473 | 555 | 606 |
| H | mm | 369 | 396 | 461 | 477 | 557 | 583 | 643 | 694 |
| C | mm | 42 | 50 | 50 | 50 | 66 | 66 | 66 | 64 |
| D dia | mm | 300 | 457 | 457 | 457 | 610 | 610 | 610 | 610 |
| E | mm | 67 | 90 | 123 | 154 | 138 | 138 | 138 | 181 |
| F | mm | 223 | 229 | 331 | 356 | 477 | 477 | 477 | 598 |
| Weight | kg | 73 | 126 | 167 |
FUTURE VALVE TECHNOLOGY
