Catalog entry / 004
Switching valves / QH-D electric switching valves
Electric 4-port switching valve
Model / Configuration
QH-D-4
Switching between two chromatographic columns or two detectors for staged analysis of one sample.
At a glance
- 0–0.60 MPa
- 6 MPa
- 1000 psi
- 200℃
- 330℃
- 12/24VDC
- 7.5W
- 0.45 N·m
| Main specifications | General pressure range 0–0.60 MPa; high-pressure version to 6 MPa / 1000 psi; service life >1,000,000 cycles; valve body 200°C or extended-stem version 330°C; 12/24 VDC, 7.5 W, 0.45 N·m; chromatography-grade cleanliness. |
|---|---|
| Connections, materials & options | Connections: 1.6, 2, or 3 mm; 1/16 or 1/8 in. Materials: 316L, PEEK, or Hastelloy. Straight or angled face; 1–4 in extended stem; voltage or switch trigger. Optional silanization, 0.5 μL/min trace-flow version, and purge. |
| Typical duties | Switching between two chromatographic columns or two detectors for staged analysis of one sample. |
| Product note | Confirm the exact model suffix, materials, connections, and acceptance limits before quotation. |
| Catalog category | Switching valves |
| Product series | QH-D electric switching valves |
| Product group | Switching & injection |