Check and Quick Release Valve Assortment
This assortment includes both single check valves and quick release valves. The valves are available in varying port sizes and thread types.



Technical Specifications
Product Overview
Professional Valve Assortment
This comprehensive assortment features high-quality single check valves and quick release valves designed for reliable pneumatic system control. The collection includes a wide variety of port sizes and thread types, including NPT and metric M16/M22 configurations, to ensure broad compatibility with diverse automotive and industrial applications. Each unit is engineered for precision performance, providing essential flow regulation and safety functionality for heavy-duty air brake and pneumatic systems.
- Supported Thread Types
- NPTM16x1.5M22x1.5
Single Check Valves
Available Models
| Model | Ref No. | Port Configuration |
|---|---|---|
| HL65003 | H44510-1090 | NPT3/8 |
| HL65004 | H44510-1190 | NPT3/8 |
| HL65005 | H434 014 000 0 | M22x1.5 |
| HL65006 | HKN23010 | NPT3/8 |
Quick Release Valves
Technical Specifications
| Model | Ref No. | Supply Port | Delivery Port | Exhaust Port |
|---|---|---|---|---|
| HL66001 | H229813 | NPT3/8 | 2-NPT1/4 | - |
| HL66001A | H229844 | NPT1/2 | 2-NPT1/4 | - |
| HL66001B | H229859 | NPT3/8 | 2-NPT3/8 | - |
| HL66001C | H229860 | NPT1/2 | 2-NPT3/8 | - |
| HL66003 | H45151-90004 | NPT1/2 | 2-NPT3/8 | - |
| HL66002 | H973 500 0000 | M22x1.5 | 2-M22x1.5 | M22x1.5 |
| HL66002A | H973 500 0060 | M16x1.5 | 2-M16x1.5 | M16x1.5 |
| HL66002B | H973 500 003 0 | NPT3/8 | 2-NPT3/8 | NPT3/8 |
| HL66002C | H973 500 0140 | NPT1/2 | 2-NPT3/8 | NPT3/8 |



