Haga clic para ampliarVálvula de mariposa doble brida concéntrica
La válvula de mariposa doble brida concéntrica está diseñada para aplicaciones industriales de presión baja a media. El disco gira alrededor del eje central y sella bidireccionalmente contra un asiento elástico. Ideal para agua, aire, vapor y medios levemente corrosivos.
Descripción
Double flanged Butterfly Valves constitute an indispensable element in numerous industrial and commercial systems, meticulously crafted to modulate the fluid flow within pipes. These highly versatile valves are gaining escalating popularity owing to their well-balanced combination of durability, reliability, and cost-efficiency when juxtaposed with more conventional ball valves.
Multiple applications: These valves are applicable across a broad spectrum of scenarios, rendering them a preferred choice for industries like water treatment, oil and gas, and chemical processing.
Actuator Options: These valves can be outfitted with either pneumatic or electric actuators, offering flexibility to satisfy a diverse range of operational requirements. The selection of the actuator influences the control mode of the valve - pneumatic actuators for swifter operation and electric actuators for more precise control.
Accessory compatibility: To augment functionality, double-flanged butterfly valves can be furnished with a multiplicity of accessories. Options encompass switch boxes for operational feedback, solenoids for automatic control, air filter regulators for pressure maintenance, and 4-20mA electro-pneumatic positioners for fine-tuning the valve position.
Quality Assurance: Every valve is comprehensively assembled and stringently tested to guarantee optimal performance and dependability, providing you with a sense of reassurance in critical operations.
APPLICATIONS Double flanged butterfly valves are robust and adaptable and are extensively employed in a variety of applications. They are ideally tailored for: Water and wastewater management: proficiently regulating the flow in municipal and industrial water supply systems. Petrochemical processes: governing the transportation and processing of hydrocarbons and other chemicals. HVAC systems: Regulating the air and fluid flow in heating, ventilation, and air conditioning systems to enhance energy efficiency. Mining operations: handling abrasive materials and controlling slurries during the extraction process.
Características del producto
- Diseño compacto y ligero que facilita la instalación y el mantenimiento.
- Montaje en cualquier posición; construcción simple y compacta con operación rápida 90° abierto/cerrado.
- Par de operación minimizado para mayor eficiencia energética.
- Sellado hermético sin fugas durante las pruebas de presión.
- Amplia gama de materiales para diversas aplicaciones de fluidos.
- Larga vida útil, probada con decenas de miles de ciclos de apertura/cierre sin fallos.
- Curva de caudal prácticamente lineal — excelente rendimiento de regulación.
Presión de trabajo / de prueba
| Tamaño | DN | 40mm-300mm | 350mm-2000mm |
| Inch | 1-1/2"-12" | 14"-80" | |
| 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 vulcanizado
- 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 | |||||||||||||
| 2" | 50 | 110 | 80 | 108 | 12.6 | 125 | 4-19 | 90 | 70 | 4-10 | 11x11 | - | 26 | F07 |
| 2 1/2" | 65 | 134 | 80 | 112 | 12.6 | 145 | 4-19 | 90 | 70 | 4-10 | 11x11 | - | 30 | F07 |
| 3" | 80 | 134 | 95 | 114 | 12.6 | 160 | 8-19 | 90 | 70 | 4-10 | 11x11 | - | 30 | F07 |
| 4" | 100 | 150 | 114 | 127 | 15.77 | 180 | 8-19 | 90 | 70 | 4-10 | 11x11 | - | 30 | F07 |
| 5" | 125 | 170 | 114 | 140 | 18.92 | 210 | 8-19 | 90 | 70 | 4-10 | 14x14 | - | 30 | F07 |
| 6" | 150 | 180 | 139 | 140 | 18.92 | 240 | 8-22 | 90 | 70 | 4-10 | 14x14 | - | 40 | F07 |
| 8" | 200 | 210 | 175 | 152 | 22.1 | 295 | 8-22 | 125 | 102 | 4-12 | 17x17 | - | 40 | F10 |
| 10" | 250 | 245 | 203 | 165 | 28.45 | 350 | 12-22 | 125 | 102 | 4-12 | 22x22 | - | 40 | F10 |
| 12" | 300 | 276 | 242 | 178 | 31.6 | 400 | 12-22 | 125 | 102 | 4-12 | 22x22 | - | 40 | F10 |
| 14" | 350 | 328 | 250 | 190 | 31.6 | 460 | 16-22 | 125 | 102 | 4-12 | 22x22 | - | 40 | F10 |
| 16" | 400 | 376 | 310 | 216 | 33.15 | 515 | 16-26 | 175 | 140 | 4-18 | 27x27 | - | 50 | F14 |
| 18" | 450 | 407 | 332 | 222 | 37.95 | 565 | 20-26 | 175 | 140 | 4-18 | 27x27 | - | 70 | F14 |
| 20" | 500 | 433 | 358 | 229 | 41.12 | 620 | 20-26 | 175 | 140 | 4-18 | 36x36 | - | 80 | F14 |
| 24" | 600 | 508 | 423 | 267 | 50.62 | 725 | 20-30 | 210 | 165 | 4-23 | 36x36 | - | 80 | F16 |
| 28" | 700 | 560 | 479 | 292 | 63.35 | 840 | 24-30 | 300 | 254 | 8-18 | - | 2-18 | 85 | F25 |
| 32" | 800 | 620 | 533 | 318 | 63.35 | 950 | 24-33 | 300 | 254 | 8-18 | - | 2-18 | 95 | F25 |
| 36" | 900 | 692 | 602 | 330 | 75 | 1050 | 28-33 | 300 | 254 | 8-18 | - | 2-20 | 118 | F25 |
| 40" | 1000 | 735 | 656 | 410 | 85 | 1160 | 28-36 | 300 | 254 | 8-18 | - | 2-22 | 118 | F25 |
| 48" | 1200 | 971 | 781 | 470 | 105 | 1380 | 32-36 | 350 | 298 | 8-22 | - | 2-28 | 154 | F30 |
| 56" | 1400 | 1000 | 925 | 530 | 120 | 1590 | 36-42 | 415 | 356 | 8-32 | - | 2-32 | 200 | F35 |
| 64" | 1600 | 1150 | 1041 | 600 | 140 | 1820 | 40-48 | 415 | 356 | 8-32 | - | 2-36 | 200 | F35 |
| 72" | 1800 | 1200 | 1156 | 670 | 160 | 2020 | 44-48 | 475 | 406 | 8-40 | - | 2-40 | 200 | F40 |
| 80" | 2000 | 1360 | 1350 | 760 | 160 | 2230 | 48-48 | 475 | 406 | 8-40 | - | 2-40 | 200 | F40 |
| 88" | 2200 | 1500 | 1430 | 800 | 180 | 2440 | 52-56 | 560 | 483 | 12-40 | - | 2-45 | 300 | F48 |
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
Solicitar presupuesto rápido
Envíenos un mensaje si tiene alguna pregunta o desea un presupuesto. Nuestros expertos le responderán en 12 horas y le ayudarán a encontrar los productos adecuados.
