Sight Glass Components installation instructions

Sight Glass Components installation instructions

10. Nut

9. Flat gasket

8. Cover plate

7. Asbestos cushion

6. Glass plate

5. Protection belt

4. Mica sheet

3. Graphite cushion

2. Stud bolt

1. Gauge Body

Instructions for Installation:

1. Tight nut in sequence of 4-5-3-6-1-8-2-7
2. When open the valve, follow the steps as item
3. Choose the thickest piece of mica sheet to contact the medium.

Technique Information of Aluminosilicate Glass

Material：Resistance to high temperature and high pressure aluminum silicon glass

Size:

80*21*17, 80*24*21, 108*24*17, 108*24*21, 118*24*17, 118*24*21, 130*24*17, 130*24*21, 130*26*19, 140*34*17, 160*34*17, 165*34*17, 190*34*17, 218*34*17, 220*34*17, 250*34*17, 265*26*19, 280*34*17, 320*34*17, 340*34*17, 370*34*17, 400*34*17

Main performance index:

Flexure strength: 280MPa

Compressive strength: 2800kg/cm2

Softening temperature: ≥ 900ºC

Coefficient of thermal expansion: 42-50 * 10^-7/ k

Thermal stability: ≥200ºC or higher

Working conditions: the highest working temperature 500ºC

Working pressure: the maximum working pressure ≤ 22.5 MPa