Spread of Flame Apparatus 70-SFA100

• The panel is manufactured from all-welded square tubular with mild steel material and includes all the associated pipework and control valves for the radiant panel
• The panel consists of porous refractory tiles mounted in a stainless steel housing and it is mounted on the support framework on a rotating steel ring which allows the specimen for the testing in different orientations
• It is designed for use with natural gas or propane gas and the gas is mixed with air before entry to the panel
• The pressure governors and control, it has shut off valve for both gas and the air
• Integrated with variable area flowmeters in the pipework to allow the gas and air to the radiant panel to be controlled and monitored
• Consist fixed control box to the framework which contains indicators of lamps and push-buttons associated with the gas safety system
• The framework which supports the test specimen is made from all-welded square tubular mild steel sections
• One side of the framework contains a steel guide which carries the specimen holder
• In the test position, the surface of the specimen at the end of adjacent to the radiant panel is brought close to a test flame from a stainless steel tube fixed to the support frame and supplied with gas/air mixture from the main gas supplies on the radiant panel support framework
• The heat release stack us mounted on the specimen support framework and directly above the test specimen, such that the combustion products rising from a vertically mounted specimen are channelled into the stack
• The specimen support framework is connected to the support frame for the radiant panel by the spacer and fixing bolts
• The stainless steel specimen holder is constructed according to the requirements and specifications
• A spring-type loaded quick action clamp for easy loading and retention of the test specimen is also provided
• It has a calibration board and a heat flux meter
• The calibration board is made with calcium silicate-based board material and is provided with a series of holes, when the calibration board is inserted into the test apparatus, positions the heat flux meter at prescribed calibration locations
• The output from the meter can be monitored on a suitable recording device or from the optional data acquisition and software system
• It consists specially designed device which enables the outputs from the thermocouple on the heat release stack to be conditioned as required based on the specification

The Spread of Flame Apparatus measures the flame spread of materials in marine and railway applications