Eaton DU 1001-1950 Duplex Low Pressure Filter: Comprehensive Product Guide
For industrial hydraulic and lubrication systems that require continuous operation without downtime, the Eaton DU 1001-1950 series stands out as a robust solution. As a leading distributor and OEM for global filtration brands, Purecowater provides this high-performance duplex pressure filter to tackle complex liquid filtration challenges.
The DU 1001-1950 series is designed for applications where shutting down the system to change filter elements is not an option. With its integral change-over valve and high dirt-retaining capacity, this filter ensures your machinery remains protected and operational.
Product Overview: Continuous Filtration
The Eaton DU 1001-1950 pressure filters are rated for a working pressure of up to 32 bar (464 psi). The defining feature of this series is the three-way change-over valve integrated into the middle of the housing. This mechanism allows operators to switch flow from the dirty filter side to the clean filter side instantly, ensuring zero interruption to the system flow.
These units are versatile and can be installed in:
- Suction lines: To protect pumps from coarse contamination.
- Pressure lines: To protect sensitive downstream components.
- Return lines: To capture contaminants before fluid returns to the reservoir.
Key Features and Capabilities
- High Pressure Absorption: Capable of absorbing pressure peaks with a sufficient safety margin.
- Duplex Design: Position I (Left side) and Position II (Right side) operation modes allow for servicing one side while the other remains active.
- Filter Element Versatility: Compatible with stainless steel wire mesh (cleanable) or microglass disposable elements for finer filtration (down to 5 μm).
- Flow Direction: Optimized flow from outside to inside for maximum structural integrity of the element.
- Integrated Safety: Available with internal bypass valves to send unfiltered partial flow around the element if pressure differential becomes too high (preventing element collapse).
Technical Specifications
The following data tables outline the critical engineering specifications for the DU 1001 and DU 1950 models.
General Data
| Specification | Value |
|---|---|
| Nominal Size | DN80 |
| Max Operating Pressure | 32 bar (464 psi) |
| Test Pressure | 64 bar |
| Operating Temperature | -10°C to +100°C |
| Housing Material | EN-GJS-400-18-LT |
| Sealing Material | Nitrile (NBR) or Viton (FPM) |
| Process Connection | SAE-flange connection 3000 PSI (3″) |
Dimensions and Weights
| Model | Tank Volume | Approximate Weight |
|---|---|---|
| DU 1001 | 2 x 13.0 Liters | 120 kg |
| DU 1950 | 2 x 23.3 Liters | 173 kg |
Filter Element Technology
The efficiency of the DU 1001-1950 relies on Eaton’s superior filter elements. These elements are constructed with star-shaped pleated material supported by a perforated core tube.
- Wire Mesh (G): Stainless steel, cleanable. Ideal for coarser filtration.
- Microglass (VG): Disposable, multi-layer construction. High dirt-holding capacity for fine filtration (down to 5μm or finer upon request).
- Paper (P): Standard filtration media.
The pressure drop coefficients vary based on the element type. For example, Microglass (VG) elements provide excellent filtration capability for petroleum-based fluids, HW emulsions, and water glycols.
Operation and Maintenance
Switching between filter chambers is manual via the change-over handle. The integrated pressure balance valve assists in equalizing pressure before switching, ensuring safety and ease of operation. Maintenance is straightforward:
- Switch the flow to the clean filter side using the change-over valve.
- Vent the pressure from the offline housing.
- Remove the cover and extract the dirty element.
- Clean (if wire mesh) or replace the element.
Applications
Common industries utilizing the Eaton DU 1001-1950 include:
- Power Generation
- Oil & Gas
- Heavy Industrial Machinery
- Petrochemical Processing
- Marine Hydraulics
Contact Purecowater for Eaton Filtration Solutions
Purecowater is your trusted partner for Eaton filtration systems, including the DU series. Whether you need a new installation, replacement parts, or technical guidance on sizing a specific application, our team is ready to assist.
Need help sizing a filter or finding a part?
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References: Eaton DU Duplex Low Pressure Filter Specifications [nak.ua](https://nak.ua/wp-content/uploads/2018/06/DU-1001-1950.pdf), Eaton Product Catalog [eaton.com](https://www.eaton.com/us/en-us/skuPage.DU1001-0004.html).