Overview
The SMC KQH13-37S is a compact one-touch pneumatic fitting designed for fast, reliable connections in air piping systems. This male straight connector accepts 1/2″ tube O.D. and features a 1/2″ NPT threaded port with thread sealant. Built with a brass body and engineered anchor grip seal, the KQH13-37S delivers secure connections in confined spaces without requiring additional tools or adapters.
Key Features
- One-touch quick-connect design for fast insertion and removal
- Brass body with durable construction for industrial pneumatic applications
- Compatible with nylon, soft nylon, and polyurethane tubing
- Engineered anchor grip seal ensures positive tube retention
- Compact 22.5 mm length fits tight installation spaces
- Thread sealant included for leak-free NPT connections
Technical Specifications
- Part Number: KQH13-37S
- Tube Size: 1/2″ O.D.
- Port Connection: 1/2″ NPT Male with Thread Sealant
- Body Material: Brass
- Seal Material: NBR O-ring
- Release Button: POM (Polyacetal)
- Operating Pressure: 0 to 1.0 MPa (0-145 psi)
- Proof Pressure: 3.0 MPa (435 psi)
- Temperature Range: -5°C to +60°C (23°F to 140°F)
- Overall Length: 22.5 mm
- Weight: 10 g
- Operating Fluid: Air, Water
- Series: KQH / KQ One-Touch
Typical Applications
The SMC KQH13-37S is used in general industrial pneumatic piping, machine tool air lines, laboratory automation, and OEM equipment where compact, leak-free connections are required. The fitting works well in vacuum to positive pressure applications and is suitable for both water and air media.
Compatibility & Replacements
Compatible With
- SMC KQ Series one-touch fitting systems
- All standard 1/2″ O.D. thermoplastic pneumatic tubing
- Industrial pneumatic control systems
- Automated machinery and equipment with NPT ports
Replaces / Drop-In Replacement For
The KQH13-37S has been superseded by the SMC KQ2H13-37S and KQ2H13-37AS, which offer improved tube insertion/removal and the same performance specifications. The newer models are direct drop-in replacements with identical port and tube sizing.
Works With
- SMC pneumatic valves and actuators with NPT ports
- Industrial air compressor systems
- Pneumatic logic circuits
- Vacuum and positive pressure applications
