CATEGORY
Brass Auto Air Vent Threaded
GALA Regulating System Air Valves
Specification
Screwed-In Bonnet
Asbestos Free
Threaded to BS 21 (ISO7) / ASME B1.20.1 / NPT
Size Range: 15mm(1/2")~25mm(1
Pressure Rating
| Working Pressure | 232(16bar) |
| 150 psi (10.3 bar) Saturated Stem | |
| Testing Pressure | Shell: 350psi (24bar) Hydrostatic Seat: 255 psi (17.6bar) Hydrostatic 80 psi (5.5 bar) Air |
| Suitable Media | Air |
Material List
| PART NAME | MATERIAL | ASTM | BS EN |
| Body | Brass | B124 C37700 | 12165 CW617N |
| Disc | Brass | B124 C37700 | 12165 CW617N |
| Stem | Brass | B124 C37700 | 12165 CW617N |
| Cap | Brass | B124 C37700 | 12165 CW617N |
| Gasket | NBR | ||
| Air Cap | Brass | B124 C37700 | 12165 CW617N |
| Connector | Brass | B124 C37700 | 12165 CW617N |
| Floater | Polytene | ||
| Floater Bar | Brass | B124 C37700 | 12165 CW617N |
| O Ring | NBR | ||
| Spring | Stainless Steel |
Dimension
| SIZE | MM INCH | 15 1/2 | 20 3/4 | 25 1 |
| L | 48.5 | 48.5 | 48.5 | |
| H | 68.5 | 68.5 | 68.5 |