NPFC - MIL-G-17489
GAGES, PRESSURE (AIR), BOILER
| Organization: | NPFC |
| Publication Date: | 15 March 1961 |
| Status: | active |
| Page Count: | 14 |
scope:
This specification covers boiler air pressure gages suitable for measuring air pressure up to and including 200 inches of water.
Air pressure gages shall be of the following types and classes as specified (see 6.2):
Type A - Dial. Type B - Vertical scale. Class 1 - Single unit. Class 2 - Dual unit. Class 3 - Triple unit. Class 4 - Multiple unit. Type C - Window.
intended Use:
The pressure gages are intended for measuring boiler casing air pressure.
Document History