Types of fire fighting pumps
Usually, centrifugal pumps are used in fire fighting. Therefore types of fire pumps depends more on the driver of the pump rather...
Author - nikos_p
There are various types of level measurements tools. They generally fall in two (2) major groups:
Point level measurement devices
They monitor material level...
Open Fire Sprinklers
In accordance with the definition provided at NFPA 13 (2007 edition), an open fire sprinkler is a water sprinkler that is not equipped...
The classification of fire extinguishers typically consists of a letter that indicates the class of fire for which the specific fire extinguisher has been...
How photoelectric smoke detectors work based on light scattering
Photoelectric light scattering smoke detectors typically consist of one light source...
Classification of fire
The National Fire Protection Association (NFPA) categorizes fires by class. The relevant graphics and letter designations that...
Their mode of operation can be briefly described as follows: an infrared source illuminates a volume of gas that has entered inside the measurement chamber...
IONIZATION SMOKE DETECTOR OPERATION
A typical ionization smoke detector typically consists of two plates in close proximity to each other and a...
There are basically two (2) major standards governing hazardous areas classifications:
- classification in accordance with International...
Table of content:1. Fire Tetrahedron2. Heat3. Fuel4. Oxygen5. Chemical Reaction6. Related Standards and Codes
Fire Tetrahedron
Further research over the...
Catalytic elements (beads) typically consist of a platinum coil inserted in a catalyst.
Their operation is quite straight-forward: they work on the principle...
Fig. - Changeover valve installed upstream two safety valves
Change-over valves are recommended to be used in applications where:
Shutting down of a...