Descripción
EP-RPR2255 Planetary Gearbox
EVER POWER 2-Stage Industrial Planetary Gearbox with Integrated Cooling Flange
El EP-RPR2255 is a closely related variant to the RPR2250 series, incorporating an integrated cooling fin array on the output flange that increases passive heat dissipation by 18% versus a plain flange ?? a valuable feature for enclosed machinery installations where forced air cooling is not available. Replacing Brevini riduttori RPR2255, this unit delivers 26,500 Nm output torque for enclosed pump drives, marine gearrooms, underground machinery and thermally constrained industrial equipment.
Parámetros técnicos
| Parámetro | Valor |
|---|---|
| Modelo | EP-RPR2255 |
| Reemplaza | Brevini riduttori RPR2255 |
| Par máximo de salida | 26,500 Nm |
| Etapas de engranajes | 2 |
| Rango de relación | 22:1 – 90:1 |
| Velocidad máxima de entrada | 2,800 rpm |
| Clase de protección | IP66 |
| Peso aproximado | ~70 kg |
Principio de funcionamiento
The 2-stage planetary layout is identical to the RPR2250 in gear geometry. The differentiating feature is the cooling fin flange ?? cast integrally into the output end bell, its extended surface area conducts frictional heat from the oil sump to ambient air by natural convection. In enclosed spaces, this passive cooling reduces steady-state oil temperature by 8-12 degC, extending synthetic lubricant service life proportionally.
Ventajas principales
|
◼ Integrated Cooling Fin Flange
18% more passive heat dissipation ?? reduces oil temperature 8-12 degC without external cooling. |
◼ Aluminium Fin + Iron Housing
Best of both materials ?? aluminium thermal conductivity, iron structural strength. |
|
◼ FKM High-Temp Seals
Synthetic oil service at up to 130 degC ?? suitable for hot enclosed installations. |
◼ 2-Stage High Efficiency
Minimises heat generation at source in thermally constrained installations. |
|
◼ Direct RPR2255 Replacement
Same mounting interface as original Brevini unit. |
Estructura y tecnología de materiales
Housing material is Hierro dúctil GGG50; the cooling fin flange is a separate EN-AC 46000 aluminium alloy casting bolted to the output end, combining aluminium’s superior thermal conductivity with the structural strength of the iron housing. Planet gears use 17CrNiMo6 carburised and ground steel. Seals are fluoroelastómero FKM for high-temperature synthetic oil service.
Escenarios de aplicación típicos
| Industria | Solicitud | Requisito clave |
|---|---|---|
| Marina | Engine room pump drive, no external cooling | Fin flange provides essential passive cooling in enclosed engine room. |
| Underground | Mine dewatering pump drive | Passive cooling avoids need for forced-air ducting in confined drives. |
| Petróleo y gas | Enclosed wellhead pump gearbox | 8-12 degC oil temperature reduction extends lubricant service interval. |
| Industrial | Printing press main drive in enclosed cabinet | Passive cooling maintains oil temperature within limits without cabinet fans. |
Guía de selección
- Par de salida requerido (Nm) Confirme el requisito de par máximo y continuo con el factor de seguridad adecuado.
- Relación de transmisión Velocidad del motor (rpm) dividida por la velocidad de salida requerida (rpm).
- Ciclo de trabajo ?? S1 continuo o S3/S6 intermitente; afecta la reducción de potencia térmica.
- Interfaz del motor ?? Tipo de brida (SAE/ISO), diámetro del eje, chavetero o especificación de estrías.
- Ambiente Clase IP, temperatura ambiente, zona de corrosión, orientación.
Contacta con nuestro equipo de ingeniería. para una revisión gratuita del tamaño de la aplicación.
Brevini RPR2255 vs. EVER POWER EP-RPR2255
Aviso importante: EVER POWER references the Brevini riduttori RPR2255 model number solely to assist customers in identifying a compatible replacement. We do not manufacture, sell, or claim any affiliation with Brevini. No trademarks or intellectual property of Brevini are reproduced or infringed. Our EP-RPR2255 is an independently designed and manufactured product that is dimensionally and functionally compatible.
| Aspecto | Brevini RPR2255 | EVER POWER EP-RPR2255 |
|---|---|---|
| Precio | OEM premium | Competitive |
| Plazo de entrega | 8-14 weeks | 3-5 weeks |
| Cooling Fin Flange | No es estándar | Integrated standard |
| Seal Grade | Standard NBR | FKM high-temp std |
| Garantía | 12 meses | 18 meses |
EVER POWER también suministra motores eléctricos e hidráulicos compatibles para paquetes completos de sistemas de accionamiento. Consultar sobre el emparejamiento de motores.
Certificaciones de calidad y compromiso de servicio
- ISO 9001:2015 Fabricación certificada y gestión de calidad.
- Marcado CE ¿Cumple con la Directiva de Maquinaria de la UE 2006/42/CE?
- Garantía de 18 meses from shipment date on all EP-RPR2255 units.
- Respuesta técnica en un plazo de 48 horas para incidencias sobre el terreno.
- Disponemos de repuestos y kits de sellado para su envío rápido.
Obtenga más información en EVER POWER Acerca de nosotros.
Estudios de caso ?? Notas de campo del ingeniero
| País | Solicitud | Comentario |
|---|---|---|
| Singapore | Marine engine room pump drive, container vessel | “Engine room temperatures reach 48 degC. The fin flange dropped oil temperature by 11 degC, extending our oil change interval from 1,000 to 2,000 hours.” ?? Chief Engineer, Port of Singapore. |
| Sudáfrica | Underground dewatering pump, gold mine | “No space for forced-air ducting. Passive cooling was the only viable option. EVER POWER’s fin flange solved the problem that had caused two competitors’ units to fail due to overheating.” ?? Mine Engineer, Johannesburg. |
| UK | Printing press main drive, enclosed cabinet | “Cabinet temperature regulation was always a problem. Fin flange solved it permanently ?? cabinet fan now runs at minimum speed only.” ?? Production Manager, Leeds. |
Preguntas frecuentes
Q: Can the cooling fin flange be retrofitted to an existing EP-RPR2250?
A: No. The fin flange end bell is a different casting. It must be specified at order. The two housings are externally identical in mounting dimensions.
Q: What is the maximum ambient temperature for the cooling fin design?
A: The fin flange design maintains oil temperature below 90 degC at up to 50 degC ambient at rated load. Above 50 degC ambient, an oil-to-water cooler option is available.
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