Quick Pressure Vacuum Tubes (QPV)
Quick Pressure Vacuum Tube
Wilmad’s Quick Pressure Valve (QPV) Sample Tubes are specially designed to simplify the work of NMR studies for catalysis, gas-liquid phase reactions, air sensitive samples and elevated temperature studies using low boiling point solvents.
- Easy to operate – one turn to open, one to close
- Larger opening for convenient sample addition
- Lightweight, concentric design for better performance
- Offered with Wilmad Precision Tubes – thin, medium and heavy wall
- Choice of Viton® or Kalrez® O-ring for different applications
- Adapters available for both 1/16” and 1/8” tubing
Quick Pressure Valve (QPV) Tubes (Parts for Basic Tubing Connection Included)
| Catalog No. | MHz Rating | O.D. | Length | Wall Thickness | Concentricity/ Camber | Recommended Max Pressure |
|---|---|---|---|---|---|---|
| 528-QPV-7 | 500 | 5mm | 7” | 0.38mm | 25 / 13 µm | 100 psi |
| 528-QPV-8 | 500 | 5mm | 8” | 0.38mm | 25 / 13 µm | 100 psi |
| 524-QPV-7 | 300 | 5mm | 7” | 0.77mm | 76 / 51 µm | 150 psi |
| 524-QPV-8 | 300 | 5mm | 8” | 0.77mm | 76 / 51 µm | 150 psi |
| 522-QPV-7 | 300 | 5mm | 7” | 1.40mm | 51 / 51 µm | 200 psi |
| 522-QPV-8 | 300 | 5mm | 8” | 1.40mm | 51 / 51 µm | 200 psi |
| 507-QPV-7 | 300 | 5mm | 7” | 0.38mm | 51 / 25 µm | 100 psi |
| 507-QPV-8 | 300 | 5mm | 8” | 0.38mm | 51 / 25 µm | 100 psi |
Ferrules, Nuts, Tubing and Unions for QPV Sample Tube
| Catalog No. | Description |
|---|---|
| QVP-F14 | Ferrule, 1/16", ETFE, Blue |
| QVP-N14 | Nut, 1/16", 1/4-28, Delrin, Red |
| QVP-T16 | Tubing, PTFE, 1/16" O.D. X 3’ |
| QVP-U14 | Union, Delrin, 1/4-28 for 1/8" tubing |
| QPV-F | Ferrule, 1/16" x 10-32 |
| QPV-N | Nut, 1/16" 10-32 x 1/16" |
| OF-60 | Vacuum Connector |
| BP-1821-018 | Nut 1/4-28 for 1/8" tubing |
| BP-1822-018 | Ferrule 1/4-28 for 1/8" tubing |
| BP-1823-018 | Tubing 1/8" x 10’ |
Can’t find something? Email us at sales@gossinst.co.uk or message our team via the contact page. We are always happy to answer any questions you may have regarding QPV Tubes and will be delighted to assist you in locating precisely what you need.