SKU: 20-1533
Radium Engineering 6AN ORB to 8.5mm Barb Check Valve 20-1533 Universal
This one-way check valve adapter from Radium Engineering threads into female -6AN ORB ports and provides a male 8.5mm hose barb for secure hose connections. Designed for universal use in performance vehicles PCV systems catch cans and fuel vapor lines it ensures reliable one-way flow. Maintain system integrity with 1.5 PSI cracking pressure and durable construction for automotive fabrication fittings.
Key Features
- One-Way Flow Design: Stainless steel poppet and spring activate at 1.5 PSI to block backflow protecting catch cans PCV lines and fuel systems from contamination
- -6AN ORB Thread: Male ORB fitting seals directly into standard female -6AN ports with Viton o-ring for leak-free performance
- 8.5mm Hose Barb: Precision male barb grips 8.5mm ID EFI feed line or 343-series PCV hose for vibration-resistant connections
- Aluminum Housing: Black anodized finish resists corrosion in harsh engine bay environments
- High-Pressure Durability: Handles up to 150 PSI burst pressure suitable for boosted and high-flow applications
Product Notes
- Pair with 8.5mm ID hose for optimal fit in PCV or vapor recovery setups
- Inspect o-rings before installation replace if damaged
- Compact size fits tight engine bays ships in small protective box
Installation Notes
- Professional installation recommended.
- Torque -6AN ORB fitting to 12-15 ft-lbs using proper AN o-ring lubrication
- Compatible with all standard AN port hardware no special tools required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | All Performance Vehicles | All |
| 2002-2023 | Subaru | WRX STI | All |
| 2006-2013 | BMW | 3-Series E90 E92 | M3 |
| 2015-2023 | VW/Audi | Golf R A3 S3 | All |
Why Choose Radium Engineering?
- Proven in motorsports with components on winning race cars worldwide
- CNC machined from billet aluminum for exact tolerances and strength
- Limited lifetime warranty covers manufacturing defects
Frequently Asked Questions
- Q: What size hose fits this check valve?
A: Male 8.5mm barb accepts 8.5mm ID hose such as Radium 343-series PCV line or standard EFI fuel hose for secure fit - Q: What materials are used in construction?
A: Black anodized aluminum housing stainless steel internals and Viton o-rings for fuel and oil compatibility - Q: Does it require special installation tools?
A: Standard AN fitting wrench needed torque to 12-15 ft-lbs professional install advised for best results
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective plastic bag in 4 x 3 x 1 inch box
- Weight: 0.1 lbs
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