Smc Pneumatics KQ2H13-35AS Push-to-connect Fitting 1/2 Od

Product Description

The SMC PNEUMATICS KQ2H13-35AS is a push-to-connect tube fitting connector designed for quick, tool-free tube connections in pneumatic and fluid-handling systems. Constructed from brass with polybutylene components, it accepts 1/2 inch OD tubing and threads into a 1/4 inch NPT port. The fitting is rated to 145 psi maximum working pressure and operates across a temperature range of 23 degrees F to 140 degrees F. It is a compact, single-piece connector suited for compressed air lines, pneumatic control circuits, and light fluid distribution plumbing in industrial and commercial settings.

This fitting is used in pneumatic control panels, fluid distribution manifolds, and compressed air branch lines where fast, repeatable tube connections are required. The push-to-connect design allows technicians to insert tubing without threading or crimping, reducing assembly time on new installations and simplifying tube replacements during maintenance. It is appropriate for both stationary plumbing runs and light-duty dynamic connections in industrial and facility environments.

Key Features

• Push-to-connect design allows tool-free tube insertion and removal
• Brass and polybutylene construction for corrosion resistance in air and compatible fluid service
• Rated to 145 psi maximum working pressure
• Accepts 1/2 inch OD tubing with a 1/4 inch NPT male thread
• Wide temperature range: 23 degrees F to 140 degrees F
• RoHS compliant

Compatibility

Designed as an OEM-style push-to-connect connector fitting for pneumatic and fluid-handling systems using 1/2 inch OD tubing and 1/4 inch NPT threaded ports.

Installation Notes

Installation is typically performed by a pipefitter, pneumatic technician, or industrial maintenance mechanic. Depressurize and isolate the system completely before removing or installing fittings. Ensure tubing is cut square and free of burrs before inserting into the fitting to achieve a proper seal. Apply thread sealant or PTFE tape to the NPT threads in accordance with the applicable plumbing or pneumatic system code requirements.