Haga clic para ampliarVálvula de mariposa tipo Lug
La válvula de mariposa tipo Lug se utiliza comúnmente en sistemas de tubería para regular o controlar el flujo de fluidos. Sus conexiones Lug roscadas a ambos lados del cuerpo permiten montaje directo entre dos bridas sin soportes adicionales.
Descripción
Lug Connection: The valve has threaded lugs on both sides of the valve body, allowing the valve to be bolted directly to the pipe flanges. This makes it suitable for applications where the valve may need to be isolated and removed without affecting the rest of the system.
Bidirectional Flow: The lug butterfly valve can be used in both directions, which is beneficial in systems where the direction of flow may change or needs to be controlled from either direction.
Compact Design: Like other butterfly valves, the lug butterfly valve has a compact and lightweight design compared to other valve types, making it ideal for applications with limited space.
Quick Operation: The butterfly valve is typically operated by a hand lever, Gear Box, electric actuator, or pneumatic actuator, offering quick and easy operation.
Low Pressure Drop: These valves are designed to offer minimal resistance to fluid flow, reducing energy consumption and optimizing system efficiency.
Corrosion and Wear Resistance: Lug butterfly valves can be made from various materials, such as stainless steel, cast iron, and ductile iron, which offer good resistance to corrosion and wear, depending on the application.
Applications:
Water Treatment: Used to control flow in water and wastewater treatment plants. HVAC Systems: Used in heating, ventilation, and air conditioning systems to regulate air flow. Piping Systems: Common in industries like chemical, food processing, and oil & gas for isolating and controlling fluid flow. Fire Protection: Utilized in fire suppression systems to isolate pipelines.
Advantages:
Ease of Maintenance: The lug design allows the valve to be replaced or serviced without removing the entire pipeline, which is useful in systems where the pipeline cannot be easily disconnected. Flexibility: The valve can be mounted between two flanges, or between a flange and a blind flange, providing more installation flexibility than other valve types. Compactness: These valves are space-efficient and generally lighter than other valve types like gate or ball valves.
Presión de trabajo / de prueba
| Tamaño | DN | 40mm-300mm | 350mm-1200mm |
| Inch | 1-1/2"-12" | 14"-24" | |
| Trabajo | 16bar | 10bar | |
| Ensayo | Cuerpo | 24bar | 15bar |
| Sellado | 17.6bar | 11bar | |
Temperatura de trabajo
| Material del asiento | EPDM | NBR | FKM | PTFE |
|---|---|---|---|---|
| Temperatura | -10°C to 120°C | -10°C to 80°C | -15°C to 200°C | -25°C to 180°C |
Especificación de materiales
| Pieza | Material |
|---|---|
| Cuerpo | Cast Iron Ductile Iron WCB CF8 CF8M CF3M Duplex Steel Al-Bronze |
| Disco | Ductile Iron CF8 CF8M CF3M Duplex Steel Al-Bronze Harlar Coated |
| Eje | SS410 SS416 SS420 SS431 SS316 17-4PH |
| Asiento | EPDM NBR PTFE FKM Silicone |
| Casquillo | FRP PTFE Bronze |
| Palanca | Malleable Iron Carbon Steel Aluminum SS316 |
| Reductor | Ductile Iron Aluminum SS316 |
Protección contra la corrosión
Recubrimiento en polvo de resina epoxi, espesor mínimo no inferior a 300 micras
Opciones de disco
- Eje pasante con pasador
- Disco sin pasador
- Disco delgado de diseño concéntrico (DN50–DN350)
Opciones de asiento
- Asiento cartucho de caucho
- Asiento de lengüeta y ranura / reemplazable
Dimensiones principales (mm)
| Size | A | B | C | d0 | PCD | N-Q | ØK | ØE | N-ØP | B1xB2 | J | L | ISO 5211 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | mm | |||||||||||||
| 1 1/2" | DN40 | 120 | 70 | 33 | 12.6 | 110 | 4-M16 | 65 | 50 | 4-7 | 9x9 | - | 26 | F05 |
| 2" | DN50 | 161 | 80 | 43 | 12.6 | 125 | 4-M16 | 90 | 70 | 4-10 | 11x11 | - | 26 | F07 |
| 2 1/2" | DN65 | 175 | 89 | 46 | 12.6 | 145 | 4-M16 | 90 | 70 | 4-10 | 11x11 | - | 30 | F07 |
| 3" | DN80 | 181 | 95 | 46 | 12.6 | 160 | 8-M16 | 90 | 70 | 4-10 | 11x11 | - | 30 | F07 |
| 4" | DN100 | 200 | 114 | 52 | 15.77 | 180 | 8-M16 | 90 | 70 | 4-10 | 11x11 | - | 30 | F07 |
| 5" | DN125 | 213 | 127 | 56 | 18.92 | 210 | 8-M16 | 90 | 70 | 4-10 | 14x14 | - | 30 | F07 |
| 6" | DN150 | 226 | 139 | 56 | 18.92 | 240 | 8-M20 | 90 | 70 | 4-10 | 14x14 | - | 40 | F07 |
| 8" | DN200 | 260 | 175 | 60 | 22.1 | 295 | 8-M20 | 125 | 102 | 4-12 | 17x17 | - | 40 | F10 |
| 10" | DN250 | 292 | 203 | 68 | 28.45 | 350 | 12-M20 | 125 | 102 | 4-12 | 22x22 | - | 40 | F10 |
| 12" | DN300 | 337 | 242 | 78 | 31.6 | 400 | 12-M20 | 125 | 102 | 4-12 | 22x22 | - | 40 | F10 |
| 14" | DN350 | 368 | 267 | 78 | 31.6 | 460 | 16-M20 | 125 | 102 | 4-12 | 22x22 | - | 40 | F10 |
| 16" | DN400 | 400 | 309 | 102 | 33.15 | 515 | 16-M24 | 175 | 140 | 4-18 | 27x27 | - | 50 | F14 |
| 18" | DN450 | 422 | 328 | 114 | 37.95 | 565 | 20-M24 | 175 | 140 | 4-18 | 27x27 | - | 70 | F14 |
| 20" | DN500 | 480 | 361 | 127 | 41.12 | 620 | 20-M24 | 175 | 140 | 4-18 | 36x36 | - | 80 | F14 |
| 24" | DN600 | 562 | 459 | 154 | 50.62 | 725 | 20-M27 | 210 | 165 | 4-23 | 36x36 | - | 80 | F16 |
| 28" | DN700 | 624 | 520 | 165 | 63.35 | 840 | 24-M27 | 300 | 254 | 8-18 | - | 2-18 | 85 | F25 |
| 32" | DN800 | 672 | 591 | 190 | 63.35 | 950 | 24-M30 | 300 | 254 | 8-18 | - | 2-18 | 95 | F25 |
| 36" | DN900 | 720 | 656 | 203 | 74.7 | 1050 | 28-M33 | 300 | 254 | 8-18 | - | 2-20 | 118 | F25 |
| 40" | DN1000 | 800 | 721 | 216 | 84.7 | 1160 | 28M-33 | 300 | 254 | 8-18 | - | 2-22 | 118 | F25 |
| 48" | DN1200 | 941 | 864 | 276 | 104.7 | 1380 | 32-M26 | 350 | 298 | 8-22 | - | 2-28 | 154 | F30 |
Nota:
- *El extremo del vástago puede ser de doble D y conexión por chaveta. A partir de DN700, el extremo es de doble chaveta.
- *La conexión de brida de la tabla anterior puede ser DIN2501 PN16, ASME B16.47-A 125/150LB, BS4504 PN10/PN16, JIS 10K, Table D, Table E
- *La longitud cara a cara de DN400 puede ser 85,7 mm o 102 mm. Para DN450 puede ser 104 mm o 114 mm.
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