BS 7797:1998
$102.76
Specification for industrial duct heaters using metal-sheathed elements
Published By | Publication Date | Number of Pages |
BSI | 1998 | 20 |
This British Standard specifies requirements for industrial electric heaters with a rated voltage of up to 440 V, using metal-sheathed elements and installed in a duct run, for heating in forced air systems or for heating of non-flammable gases.
The heaters may have fixed, replaceable or removable elements.