Detailed Product Description
Level gauge borosilicate round glass (Sight Glass = reflex glass = Level Gauge glass = Reflex gauge glass)
Its made from Borosilicate, it is used in lever gauge in boiler for water position.
It is also named: Reflex Gauge Glass, Sight glass, Reflex Glasses
Round glass
Can be with gasket together.
Packing of level gauge glass: each piece in a box and then in carton.
The materialBorosilicate Glass |
Level Gauge Glass Physical Property | |
Testing Item | Standard Rules |
1. Appearance | 1) Air bubble: |
2. Colour and Lustre | It should be no color and transparent,and with its self tine green is allowed. |
3. Water-resistance | Cooked in the water for 5 hours,then weigh up ,then titration with 25ml 0~31 ug/g |
4. Alkali-resistance | Cooked in the 0.5N NaoH for 3 hours,then Weigh up,weightlessness should be ≤75 mg/dm2 |
5. Temperature-resistance impacts capability | Put it into electric cooker,keep for 7min under the temperature of 260±1,then,put into the water of 20±1,it should not crack |
6. Bend-resistance | ≥80 MPa |