-Models: Ф47 X 150
-Weight: 1. 35kg
-Structure: All glass coaxial double-layer tubes
-Outer tube diameter: Ф47mm
-Inner tube diameter: Ф37mm
-Outer Tube thickness: 1.6mm
-Inner tube thickness: 1.6mm
-Tubes length: 1,542mm
-Material of coating: AlN/AIN-SS/Cu
-Absorptance: 0.94~0.96
-Emittance: 0.04~0.06
-Vacuum: P≤5 X 10-3pa
-Transmittance of Outer Tube: 0.91
-Stagnation temperature (height): 270~300℃
-Heat-loss coefficient: ≤0.6w/ m2*℃)
-Bearing hailstone ability: hailstone diameterФ25mm
-Pressure-endure ability: 1MPa