Designation
| NO | Part name |
|---|---|
| 1 | Body |
| 2 | Seal |
| 3 | High press clean glass |
| 4 | Nylon lock nut |
| 5 | Screw blot |
Composition
| Content | SiO2 | Al2O3 | F2O3 | B2O3 | Na2O | K2O |
|---|---|---|---|---|---|---|
| % | 80.9 | 2.3 | 0.03 | 12.7 | 4.0 | 0.04 |
Physical Properties
| Description | Value |
|---|---|
| Spectific heat (25°C) Average(25-400°C) | 0.17 cal/g.°C 0.233 cal°C |
| Thermal Conductivity (25°C) (100°C) | 0.0026 cal/cm.sec°C 0.0030 cal/cm.sec°C |
| Linear coefficientof expansion(0-300) | 32.5-10-7/°C |
| Density | 2.23g/cm3 |
Materials
- Steel parts: Stainess steel
SS304 or SS316L
- Screw blot: Stainess steel SS303.
- Seal rings: EPDM rubber or Silicone,viton
- Finish: Semi bright.
Ordering
- Please state the following items when ordering:
- Size.
- Steel grade, AISI 304 or AISI 316L.
- Rubber grade if not EPDM.
Specification
DIN Weld end Sight glass
| Size | ID mm | OD mm | L mm |
|---|---|---|---|
| DN10 | 10 | 13 | 144 |
| DN15 | 16 | 19 | 144 |
| DN20 | 20 | 23 | 144 |
| DN25 | 25 | 28 | 144 |
| DN32 | 31 | 34 | 152 |
| DN40 | 37 | 40 | 152 |
| DN50 | 49 | 52 | 156 |
| DN65 | 66 | 70 | 158 |
| DN80 | 81 | 85 | 160 |
| DN100 | 100 | 14 | 164 |
