Catalog entry / 014
Switching valves / QH-QZ axial pneumatic switching valves
Axial pneumatic 4-port valve
Model / Configuration
QH-QZ-4
Automated dual-detector or dual-column gas-path switching.
At a glance
- 0–0.60 MPa
- 0.15–0.60 MPa
- 200℃
- 330℃
- 0–70℃
- 2/3 mm
- 316L
- 0.5 μL/min
| Main specifications | Valve-body pressure 0–0.60 MPa; actuator pressure 0.15–0.60 MPa; service life >1,000,000 cycles; valve body 200°C or extended-stem version 330°C; actuator 0–70°C; chromatography-grade cleanliness. |
|---|---|
| Connections, materials & options | Connections: 1.6, 2, or 3 mm; 1/16 or 1/8 in, with nut, push-in, quick-connect, or barbed actuator interfaces. Materials: 316L, PEEK, or Hastelloy. Straight or angled face. Optional silanization, 0.5 μL/min trace-flow version, and purge. |
| Typical duties | Automated dual-detector or dual-column gas-path switching. |
| Product note | Confirm the exact model suffix, materials, connections, and acceptance limits before quotation. |
| Catalog category | Switching valves |
| Product series | QH-QZ axial pneumatic switching valves |
| Product group | Switching & injection |