
Glass Tube Vacuum Sealing Machine
SKU: XNVQ-01
Glass Tube Vacuum Sealing Machine XNVQ-01 seals quartz tubes of Φ10–Φ23 mm under vacuum or inert gas; automatic tube rotation 0–100 rpm (adjustable) with simultaneous vacuuming for uniform heating; dynamic sealing mechanism achieves vacuum leak rate ≤ 2 × 10−11 Pa·m³/s; built-in powder backflow prevention; isolation valve for glove-box transfer; sealing assembly adjustable to vertical for tubes up to 2 m; 220 V, 300 × 240 × 690 mm, 19 kg.
Name: Glass Tube Vacuum Sealing Machine XNVQ-01
Equipment Type: Laboratory Glass Tube Vacuum Sealing Machine
Product Code: XNVQ-01
Brand: Xnergy
Product Introduction:
XNVQ-01 is a laboratory glass tube vacuum sealing machine for airtight sealing of quartz tubes in vacuum or inert gas atmosphere. The tube rotates automatically during vacuum pumping (0–100 rpm, adjustable) to ensure uniform heating and high sealing efficiency. A dynamic sealing mechanism achieves a vacuum leak rate of ≤ 2 × 10−11 Pa·m³/s. A built-in powder backflow prevention device protects the vacuum pump from sample contamination. The machine accepts quartz tubes of Φ10–Φ23 mm (custom diameters available on request) and can be operated in inclined or vertical positions; the sealing assembly adjusts to a maximum vertical position for tubes up to 1–2 m or longer. An isolation valve allows vacuum transfer after sample loading inside a glove box.
Key Features:
- Automatic rotation during vacuuming: 0–100 rpm, digitally adjustable; simultaneous inert gas backfilling supported
- Dynamic sealing mechanism; vacuum leak rate ≤ 2 × 10−11 Pa·m³/s
- Compatible with quartz tube diameters Φ10–Φ23 mm; custom sizes available on request
- Built-in powder backflow prevention device protects vacuum pump from sample material
- Inert gas protection ports for controlled atmosphere sealing
- Isolation valve enables vacuum transfer after loading in glove box
- Sealing assembly adjustable to vertical position; suitable for tubes 1–2 m or longer
- Supports both standard quartz tube wall sealing and internal quartz rod pull-sealing (automatic necking — no pre-necked tubes required)
- Compact footprint: 300 × 240 × 690 mm; 19 kg
| Parameter | Specification |
|---|---|
| Input Voltage | 220 V, 50/60 Hz |
| Rotation Speed | 0–100 rpm (adjustable) |
| Compatible Tube Diameters | Φ10–Φ23 mm (custom sizes available) |
| Vacuum Leak Rate | ≤ 2 × 10−11 Pa·m³/s |
| Dimensions (L × W × H) | 300 × 240 × 690 mm |
| Net Weight | 19 kg |
| Standard Accessories | Glass tube connector × 1 |
Note: XNVQ-01 uses a motorized rotation mechanism for vacuum sealing under vacuum or inert gas. For flame-based quartz tube sealing, see the HHO Quartz Tube Flame Sealer XNFKJ-700.




