HAK Pneumatic Compact BPC SERIES Push to Connect Straight Fitting Imperial Tube x NPT Male
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Compact Push-In Fittings – Imperial (NPT) / Metric (BSPT) – Legris Style
HAK Pneumatic Compact Push-In Fittings — also known as pneumatic push-to-connect fittings, one-touch fittings, or Legris-style fittings — are engineered for space-saving pneumatic installations that demand reliable and leak-free performance.
Each fitting features a stainless steel tube-gripping claw, internal collar, and quick-release sleeve (collet) for fast and secure connections. Disconnection is just as easy — requiring no tools. The threaded portion is made from corrosion-resistant nickel-plated brass, while the main body is molded from durable nylon, making these fittings ideal for high-vibration and demanding environments.
This compact design is perfect for high-density or space-restricted systems, and all models are fully interchangeable with Legris-style fittings, ensuring compatibility and flexibility.
✅ Key Features of HAK Pneumatic Compact Push-In Fittings:
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Available for metric tubing (3mm to 12mm O.D.) and imperial tubing (1/8" to 1/2" O.D.)
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Thread options include NPT (Imperial) and BSPT (Metric) to suit global pneumatic applications
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Designed for use with nylon, polyethylene, and other semi-rigid tubing materials
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Quick and tool-free installation with a reliable push-to-connect mechanism
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Rugged construction with excellent resistance to vibration and leakage
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Fully interchangeable with Legris compact fittings
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Ideal for industrial automation, machine tools, packaging systems, and pneumatic control panels
Construction/Specification
| Fluid | Air, Vacuum , Water (conditional) |
|---|---|
| Operating Pressure | -29.5 in Hg ~ 150 PSI |
| Operating Temperature | 0°C ~ 60°C (32°F ~ 140°F) |
| Applicable Tube | PU Polyurethane and Nylon |
| Thread Material | Nickel Plated Brass |
| Body Material | Nylon |
Sizing Information
| Item Number | Tube O.D. | Thread |
|---|---|---|
| BPC 1/8"-U10 | 1/8" | 10-32UNF |
| BPC 1/8"-1/16" | 1/8" | 1/16" NPT |
| BPC 1/8"-1/8" | 1/8" | 1/8" NPT |
| BPC 1/8"-1/4" | 1/8" | 1/4" NPT |
| BPC 5/32"-U10 | 5/32" | 10-32UNF |
| BPC 5/32"-1/16" | 5/32" | 1/16" NPT |
| BPC 5/32"-1/8" | 5/32" | 1/8" NPT |
| BPC 5/32"-1/4" | 5/32" | 1/4" NPT |
| BPC 1/4"-U10 | 1/4" | 10-32UNF |
| BPC 1/4"- 1/16" | 1/4" | 1/16" NPT |
| BPC 1/4"-1/8" | 1/4" | 1/8" NPT |
| BPC 1/4"-1/4" | 1/4" | 1/4" NPT |
| BPC 1/4"-3/8" | 1/4" | 3/8" NPT |
| BPC 5/16"-1/8" | 5/16" | 1/8" NPT |
| BPC 5/16"-1/4" | 5/16" | 1/4" NPT |
| BPC 5/16"-3/8" | 5/16" | 3/8" NPT |
| BPC 5/16"-1/2" | 5/16" | 1/2" NPT |
| BPC 3/8"-1/8" | 3/8" | 1/8" NPT |
| BPC 3/8"-1/4" | 3/8" | 1/4" NPT |
| BPC 3/8"-3/8" | 3/8" | 3/8" NPT |
| BPC 3/8"-1/2" | 3/8" | 1/2" NPT |
| BPC 1/2"-1/4" | 1/2" | 1/4" NPT |
| BPC 1/2"-3/8" | 1/2" | 3/8" NPT |
| BPC 1/2"-1/2" | 1/2" | 1/2" NPT |
Learn More: Assembly Instructions