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PREMIUM OVERSIZED PORT STEP-DOWN INTEGRATION
Adapt standard lines to your high-capacity storage layout flawlessly with the premium Kleinn Model 51412 Straight Compression Fitting. Precision-engineered to handle large-to-small port transitions without stacking messy extension bushings, this heavy-duty mechanical interface hooks standard 1/4" O.D. air supply tubing straight into oversized 1/2" NPT female receiver bungs. It serves as an essential direct plumbing link for integrating distribution lines directly into high-capacity air storage tanks, heavy-duty manifolds, or high-volume upfitter manifolds.
AIRTIGHT PNEUMATIC CEILING INTEGRITY
The Model 51412 features a straight, inline pass-through configuration engineered to minimize fluid transit boundaries and preserve unhindered airflow efficiency. Outfitted with precision-cut 1/2" Male NPT threads on one side, the opposite end features a high-utility compression sleeve ferrule and matched locking nut system that clamps firmly down on your plastic air line. Built to handle extreme high-pressure demands and continuous automotive chassis vibrations, this industrial-grade adapter guarantees a permanent, professional-grade seal.
THE VERDICT:The definitive straight step-down adapter for high-volume air networks. The Model 51412 combines heavy-duty industrial casting with clean thread transitions to guarantee your high-capacity air tank and manifold connections remain completely secure and airtight.
🔴 PRO TIP: Ensure a permanent, zero-leak lock on your air lines. Before snugging down the compression nut with your standard tools, use a sharp, dedicated hose cutter to ensure your 1/4" O.D. high-pressure line is sliced completely square and smooth. Always add a few drops of liquid anaerobic compound like our genuine Kleinn JUICE to the 1/2" Male NPT threads to completely insulate against slow, phantom pressure leaks.
PRODUCT SPECIFICATIONS
| Feature | Details |
|---|---|
| Part Number | KL 51412 (51412) |
| Fitting Type | Straight Inline Mechanical Reduction Compression |
| Thread Connection Size | 1/2" Male NPT (National Pipe Thread) |
| Compatible Tube Sizing | 1/4" O.D. (Outer Diameter) High-Pressure Tubing |
| Installation Hardware | Compression Ferrule Sleeve & Threaded Locking Nut |
| Primary Utility Application | Adapting 1/4" O.D. air lines to 1/2" NPT ports on tanks & manifolds |
| Component Weight | 0.1 lbs |
Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717