Borosilicate glass 3.3 Reflex boiler liquid level gauge, boiler level gauge glass

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  • >=100 Pieces
    US $3.60
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Quick Details
Place of Origin:
Hebei, China (Mainland)
Model Number:
bright pearl
Supply Ability
Supply Ability:
100000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
wooden case packing.
Lead Time :
within one week

Made from Borosilicate glass 3.3, used in lever gauge in boiler for water position.
Also named:  Reflex Gauge Glass, Sight glass, Reflex Glass, Reflex sight glass, Spares For level Gauge
The category is as follows:
1) Three tendons (four grooves)
2) Two tendons (three grooves)
3) Plan transparent

1. Bending strength: not less than 1550kgf/cm2
2. Temperature resistance: long time working temperature ≤450℃, short time working temperature≤500℃
3. Light transmittance: up to 90%
4. Hydraulic resistance strength: Test 80kgf/cm2 inact rate>95%
5. Thermal stability (Thermal shock temperature difference): T200℃
6. Linear expansion coefficient (0~300℃):3.3×10-7K-1
7. Softening temperature >820℃.