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SPA / SU08 AIRMIXS Straight Union Equal Push-In Pneumatic Tube Fitting 8mm Hose O.D. x 8mm Hose O.D.

The SU08 Straight Union Fitting is a 2-way equal push-to-connect tube connector designed to join two lengths of 8mm outer diameter (O.D.) pneumatic tubing in a continuous inline setup. Built for fast assembly without tools, it provides instant hose connection and smooth release for industrial automation applications.

Featuring a durable PBT composite body, stainless steel internal lock claws, and NBR O-rings, the SU08 maintains a leak-tight seal under continuous operating pressure. Its compact straight-through profile makes it ideal for extending pneumatic lines inside control panels, packaging equipment, and factory air distribution systems.

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Technical Specification

Model Code 

SU08 (SU-08 / SU-8mm) 

Fitting Type 

Straight Union Equal Connector (Push-In / One-Touch) 

Applicable Tube Outer Diameter (O.D.) 

8 mm x 8 mm (Equal Both Ends) 

Fluid Compatibility 

Compressed Air, Industrial Vacuum, Inert Gas 

Operating Pressure Range 

0 to 1.0 MPa (0 to 10 bar / ~145 PSI) 

Negative Pressure / Vacuum 

-100 kPa (-29.5 inHg / -750 mmHg) 

Proof / Burst Pressure 

1.5 MPa (~215 PSI) 

Operating Temperature 

0°C to +60°C (32°F to 140°F) 

Applicable Tubing Materials 

Polyurethane (PU), Nylon (PA), Polyethylene (PE) 

Body Material 

PBT / POM Composite Resin 

Locking Mechanism 

Stainless Steel (SUS 304) Gripping Claws 

Seals 

NBR (Nitrile Rubber) O-Ring 

8.00 SR 8.00 SR