PG71 sight glasses are designed to check the flow of cooling water, lubricants, air, steam, etc. in a pipe line. They may also be used to check the functioning of steam traps. This simple device is also an effective back-flow preventer. Suitable for horizontal installation.
200 oC
16 bar(g)
CAST IRON
End connection: Screwed NPT / BSPT / BSP
| NO | PART NAME | MATERIAL | QTY. |
|---|---|---|---|
| 1 | BODY | CAST IRON | 1 |
| 2 | COVER | CAST IRON | 1 |
| 3 | GLASS | Toughened Borosilicate | 1 |
| 4 | BALL | PTFE | 1 |
| 5 | GASKETS | Non CAF | 2 |
| SIZE | A | B | C | D | E | WEIGHT |
|---|---|---|---|---|---|---|
| DN15 | 84 | 72 | 76 | 92 | 1.4 kg | |
| DN20 | 84 | 72 | 76 | 92 | 1.4 kg | |
| DN25 | 84 | 76 | 76 | 101 | 1.6 kg |
1) Inlet Pressure in bar(g)
2) Back Pressure in bar(g)
3) Operating Temperature in oC
4) Condensate Load in kg/hr
5) Size & End Connections
6) End Connections
