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Hydraulic & Lubrication filters

TWF Twinfil

Eaton’s compact TWF Twinfil filter systems provide reliability, durability and efficiency to the wind turbine gearbox and its lubrication system.

The TWF Twinfil filter system relies on a combination of a 01.NR 1000 filter element available in different fineness levels and a 2-stage Twinfil filter element. The Twinfil filter element is specifically designed for wind power applications to ensure that the gearbox is never lubricated with unfiltered fluid. It couples the upper coarse filter made of stainless steel wire mesh with a nominal fineness of 25 μm with a fine filter made of 10 μm high-performance glass fiber fleece below.

Filter Type
Lubrication Filter
max. operating pressure
363 psi (25 bar)
operating temperature
14-212 °F (-10-100 °C)

核心功能

  • Specially designed gear lubrication systems
  • Reliably supplies all gear lubrication option points as it filters and de-aerates the system
  • Indicates oil operating condition
  • Operates in cold weather conditions with an additional pump-assisted heating system
  • 6 bar bypass filtration integrated
  • Hydraulic scheme according to customer specifications
  • Simplified mounting eliminates misalignment issues
  • Significant weight reduction over previous model
  • Top level filtration quality
  • Low maintenance needs and downtime
  • Low noise emission
  • Simple to service
  • Seawater resistant

Applications

  • On- and offshore wind turbine applications
  • Operates in cold weather conditions with an additional pump-assisted heating system

Compliance

  • Classified under the Pressure Equipment Directive 2014/68/EU for mineral oil (fluid group 2), Article 4, Para. 3.
  • Classified under ATEX Directive 2014/34/EU according to specific application (see questionnaire sheet-no. 34279-4).
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Specifications

operating temperature: -50°F to +176°F
design temperature -4°F to +212°F
max. operating pressure: 363 PSI
process connection SAE-flange 3000 PSI
housing material: Anodized aluminum (EN 573-EN-AW6082-T6)
sealing material: Viton (FPM), Nitrile (NBR) or hydrated Nitril-Butadien-Rubber (HNBR); WS 20.357
installation position: vertical
volume tank 2x 5.3 Gal.
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