Description
The AFR filter series complies with the following ISO standards:
- ISO 2941 – Hydraulic fluid power – Filter elements
Test for collapse/burst resistance - ISO 2942 – Hydraulic fluid power – Filter elements
Verification of fabrication integrity and first bubble point - ISO 2943 – Hydraulic fluid power – Filter elements
Verification of material compatibility with fluids - ISO 3723 – Hydraulic fluid power – Filter elements
End load test method - ISO 3724 – Hydraulic fluid power – Filter elements
Verification of flow fatigue characteristics - ISO 3968 – Hydraulic fluid power – Filters
Evaluation of pressure drop versus flow characteristics - ISO 16889 – Hydraulic fluid power – Filters
Multi-pass method for evaluating filtration performance of a filter element
MATERIALS (filter elements):
- End caps: Zinc-coated sheet steel
- Support tube: Zinc-coated sheet steel
- Support mesh: Zinc-coated steel with epoxy coating
MATERIALS (housing):
- Housing: Aluminum
- Cover: Aluminum
- Seals:
- N: Nitrile (Buna-N)
- V: Fluoroelastomer (Viton)
- By-pass valve housing: Nylon
- Indicator: Brass
OPERATING CONDITIONS
- Filter pressure
- Operating temperature: -25 °C to +95 °C
- Collapse pressure (filter element): 1,000,000 Pa (10 bar)
- By-pass valve opening pressure:
- Return: 170,000 Pa ±10% (1.7 bar) (initial opening)
- Suction: 25,000 Pa ±10% (0.25 bar) (initial opening)
- Compatibility with hydraulic fluids: According to ISO 2943
- Maximum operating pressure: 1,500,000 Pa (15 bar)
- Test pressure: 2,400,000 Pa (24 bar)
- Burst pressure: 4,500,000 Pa (45 bar)
- Compatible with mineral oils (HH, HM, HR, HV, HG according to ISO 6743/4)
