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AYREST SH74463 High-Precision Hydraulic Return Filter
Absolute 22µ Glass Fiber Media for Industrial Circuits
Achieving an absolute 22µ rating with inorganic Glass Fiber for superior fluid cleanliness.
Designed with a 20 bar collapse pressure and a calibrated 6.0 bar bypass valve.
Premium NBR seals operational across a wide range of -30°C to +100°C.
Certified 1:1 technical match for Filtrec RHR240G20B6/AB1 and HiFi Filter SH 74463.
Technical Deep-Dive: System Protection
The Role of the SH74463 in Return Line Filtration
The SH74463 is a critical safety component positioned in the hydraulic return circuit. Its primary mission is to intercept wear particulates-such as metallic debris and carbon-before the fluid re-enters the reservoir. By maintaining a clean reservoir, it protects the primary pump from suction-side damage and ensures the longevity of downstream actuators.
Why Choose Glass Fiber over Cellulose?
Unlike standard paper filters, our Glass Fiber media maintains a rigid pore structure even under fluctuating flow rates. This prevents "particle unloading," a common issue where captured contaminants are forced back into the system during pressure spikes. The result is a consistent Beta 1000 performance that meets strict ISO 4406 cleanliness standards.
Technical Specifications
| Feature | Specification Data |
|---|---|
| Model Designation | SH74463 |
| Filter Style | Return Line Cartridge |
| Media Type | High-Performance Glass Fiber |
| Dimensions (OD / ID / L) | 73.5 mm / 34.5 mm / 203.0 mm |
| Bypass Setting | 6.0 Bar |
| Collapse Rating | 20 Bar (290 PSI) |
Verified Cross-Reference
HiFi Filter: SH 74463
Filtrec: RHR240G20B6/AB1
(Certified Technical Interchange Elements)
Targeted Industry Applications
- Metal Processing: Hydraulic presses and CNC lubrication.
- Mobile Machinery: Medium excavators and loaders.
- Plastics Industry: Injection molding reservoirs.
- Power Generation: Control systems for turbines.
FAQ: Professional Filtration Solutions
Q: What does the 6.0 bar bypass pressure mean for my system?
A: The bypass valve acts as a fail-safe. If clogged or if oil is too viscous during a cold start, it opens at 6.0 bar to ensure system lubrication and prevent pump starvation.
Q: Is the SH74463 suitable for high-pressure main lines?
A: No. This is a Return Filter (20 bar collapse). For high-pressure side applications (210-420 bar), contact our engineers for a high-collapse alternative.
Q: Can I use this filter in outdoor winter environments?
A: Yes. The Nitrile seals and synthetic media are rated down to -30°C, ensuring leak-proof performance in cold-weather conditions.
Q: Are technical drawings available for B2B procurement?
A: Yes. We can provide detailed engineering drawings and ISO 16889 test reports to support your technical audit.
Consultative Service & Engineering Support
"Don't compromise your industrial uptime with guesswork."
- ✔️ 1:1 Modification Verification: Cross-referencing against official OE databases.
- ✔️ Condition Analysis: Custom media recommendations based on your environment.
- ✔️ Technical Sourcing: 3D dimensions and full specifications for bulk orders.
WhatsApp / Wechat: +86 13328990097
Email: Sales@enginegensetparts.com
Official Portal: www.enginegensetparts.com
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