all-glass vacuum tube
1.excellent quality
2.absorbs heat quickly
3.reduce emission ratio and improve heat efficiency
Port: Shanghai/Ningbo
Minimum Order Quantity: 1000 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Day
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: carton with foam
Delivery Detail: 7days
all-glass vacuum tube
Models | Single-target vacuum tube |
Structure | All glass double tube co-axial structure |
Glass material | High borosilicate 3.3 glass |
Outer tube diameter and thickness | Φ47±0.7mm/Φ58±0.7mm |
Inner tube diameter and thickness | Φ37±0.7mm/Φ47±0.7mm |
Tubes length | 1500±4mm/1800±4mm |
Material of coating | AL/N/AL |
Absorptance | 0.90~0.94 |
Vacuum | P≤2×10-3pa |
Transmittance of Outer Tube | 0.93 |
Stagnation temperature (height) | 250~270°c |
Heat-loss coefficient | ≤0.6w/ m2*°c) |
Bearing hailstone ability | hailstone diameterΦ25mm |
Pressure-endure ability | 1MPa |
Life span | 15 years |