The W440 filter assembly can be manifold mounted to the hydraulic system. The size and material configuration are well-suited for today's demanding proportional and servo valve applications. Standard housing drain plug helps relieve system pressure during filter change-outs.
Features
- Assembly has manifold mounting capability
- Thermal lockout and surge control incorporated in many of the differential pressure indicators
- High collapse filter available for use with non-by-pass applications – collapse options range from 10 to 207 bar / 150 to 3,000 psi
- Positive sealing poppet by-pass for reliability and no leakage
- Range of indicator options – visual pop-up, electrical/visual or all electronic models available
- Compact design for use with servo or proportional valve
- Two housing length options for design flexibility
- Differential pressure indicator line works with an assortment of by-pass valves
- Fluorocarbon seals are standard
- Working pressure to: 276 bar / 4000 psi
- Rated static burst to: 690 bar / 10,000 psi
- Flow range to: 76 lpm / 20 gpm
- Porting size options:
- SAE-12 o-ring
- Manifold mounting top-ported for subplate mounting
- 17.5 mm / 0.69 in. holes
- 31.8 mm / 1.25 in. centers
- Standard by-pass ratings of:
- 3.5 bar / 50 psi
- No by-pass
Benefits
- Rugged cast iron and steel construction for reliable performance
- Highly configurable – this assembly and filter combination give you a lot of flexibility in a very high pressure working range
- Featuring our high-performance DT filters with multiple efficiency options – allowing you to achieve the performance you need for most any application
Applications
- High pressure circuits
- In-plant systems
- Mobile equipment
Available Media Types
- Donaldson high-performance DT cartridges with exclusive Synteq™ – synthetic fiber media for greater filtration efficiency and higher dust-holding capacity
- Many different efficiency grades from which to choose