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Bs476 Part 7 Surface Flame Spread Test For Building Material 1220 X 550 X 1920 Mm

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Bs476 Part 7 Surface Flame Spread Test For Building Material 1220 X 550 X 1920 Mm

Name: Bs476 Part 7 Surface Flame Spread Test For Building Material 1220 X 550 X 1920 Mm
Brand: YUYANG
Price: 1 USD

Best Bs476 Part 7 Surface Flame Spread Test For Building Material 1220 X 550 X 1920 Mm wholesale

Brand Name : YUYANG

Model Number : PSS

Certification : ISO

Place of Origin : CHINA

MOQ : 1 Set

Price : Negotiation

Supply Ability : 10 Sets per Month

Delivery Time : 30 days

Packaging Details : Plywood case

Test standard : BS476-7

Usage : Surface spread of flame test

Test object : wall,ceiling,lamination etc

Warranty : 1 Year

Keyward : Surface Flame Spread Testing Equipment

Conditon : New

Size : 1220 mm (W) x 550 mm (D) x 1920 mm (H)

Weight : 210KG

Contact Now

Please email to Sandy@yuyangtest.com if you need details.

BS476 Part 7 Surface Flame Spread Testing Equipment

BS 476-7 Fire Test to Building Material – Standard Brief

BS 476 part 7 specifies a method of test for measuring the lateral spread of flame along the surface of a specimen of a product orientated in the vertical position under opposed flow conditions, and a classification system based on the rate and extent of the spread of flame. It provides data suitable for comparing the end-use performances of essentially flat materials, composites or assemblies, which are used primarily as the exposed surfaces of walls or ceilings.

Feature

BS476-7 test apparatus consists of a radiation panel mounted vertically in a surround and supported on a framework.
The radiation panel is sullied with an gas-air mixture.
The radiation panel is 850mm square for a porous refractory type burner block designed to give efficient combustion of the air-gas-air mixture, with no flaming occurring on the face of the panel under operational conditions.
The radiation panel and its surround are supported on a framework so that the center of the panel is about 1250±100mm above floor level.
A specimen holder and a pilot flame arrangement mounted to one side of BS476-7 surface flame spread tester.
The specimen holder is comprise a water-cooled steel frame with water-cooled face plates. The face plates is overlap the specimens by 20±2mm on their top and bottom edges and over the vertical edge adjacent to the radiation panel.
A spring loaded clamp is positioned to clamp the specimen against the face plates.
The portable water supply to the specimen holder make the maximum temperature does not exceed 35℃ at the outlet from the specimen holder.
The specimen holder assembly is located at 90±2° to the face of the radiation panel and in such as way that the faces of the top and bottom guides of the specimen holder are in the same plane as the inside face of the surround to the radiation panel.
The height of the specimen holder is hinged to allow it to be swung horizontally, away from the face of the radiation panel between tests, from the test position to the standby position and vice-versa.
The pilot burner of bs476-7 surface spread of flame testing equipment is consist of a steel tube.
The gas and air supply lines to the radiation panel contain flow meters, pressure regulators, control valves and safety devices.
Heat Flux Meter: Range : 0 ~ 50 kw/m2; Surface emissivity :ɛ=0.95±0.05.
Dummy calibration board with holder, calibrated heat flux meter and mounting.

Installation requirements of BS476 Part 7 Surface Flame Spread Testing Equipment

1	Electrical	230 volts Nominal 10 Amps
2	Ambient Temperature	Operating 10°C to 35°C
3	Gas Supplies	Propane and air compressor
4	Test room	400m3

Bs476 Part 7 Surface Flame Spread Test For Building Material 1220 X 550 X 1920 Mm

其他产品:

1,拉力机

Product Tags:

combustion testing equipment

fire resistance test furnace

Bs476 Part 7 Surface Flame Spread Test For Building Material 1220 X 550 X 1920 Mm Images

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