The SG253 is an SG iron double window sight glass with flanged connections.
| Spirax-Sarco | |
|---|---|
| Product Category | Sight Windows |
| Product Number | SG253 |
| Product Name | Sight Glass |
| Window Shape | Circular |
| Connection Type | Flanged |
| Thread or Flange Size: | 0.5906 to 1.97 inch (15 to 50 mm) |
| Pressure Rating | 363 psi (255 m H2O) |