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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
Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
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Radium Engineering Fuel System Parts
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