BS 476-7 Surface Spread Flame Tester
BS 476-7 Surface Spread Flame Tester for Measuring the Flame Extension of The Wall
Product introduction of the Surface Spread Flame Tester
Bs 476 Part 7 ezipụta a usoro nke ule maka ịtụ mpụta mgbasa nke ire ọkụ tinyere elu nke gbasirila nke a ngwaahịa orientated na ọtọ wee na-n'okpuru emegide eruba ọnọdụ, na a nhazi ọkwa usoro dabeere na ọnụego na n'ókè nke mgbasa nke ire ọkụ . Ọ na-enye data adabara atụnyere end-eji egwú nke nnoo ewepụghị ihe, composites ma ọ bụ mgbakọ, nke na-eji isi dị ka ndị gụrụ na-ebupụta nke mgbidi na uko ụlọ.
Product parameters of the Surface Spread Flame Tester
1. The nke ebe radiant panel bụ 850mm X 850mm, na bughi support etiti na-esikwu ike;
2. The sample njide bụ perpendicular na radiant panel, na ọkọlọtọ ọnụ ọgụgụ akara n'elu, oké egwu okpomọkụ radiant agbanwe oge nwere ike tụrụ dị ka ire ọkụ na Mgbasa anya;
3. N'ibu mmiri-obi jụrụ mgbasa ngwaọrụ, sample njide nwere ike ịbụ mmiri-mma Iji zere mmebi kpatara ogologo oge elu okpomọkụ;
4. N'ibu a obere ire ọkụ mgbanye ngwaọrụ, iji icheku ọkụ mgbanye mode;
5. The radiant panel a kwadebere n'ụzọ na a elu okpomọkụ ịchọputa ngwaọrụ. Ọ bụrụ na ndị radiant panel na agbanyụrụ, ikuku iyi nwere ike na-akpaghị aka bipu;
6. N'ibu mmiri-mma okpomọkụ radieshon agbanwe oge mmetụta, na-arụpụta nwere ike sitere na United States NIST;
7. N'ibu eletriki akara igbe, nwere ike ịgbanwe gas na ikuku eruba, na-egosipụta okpomọkụ radieshon agbanwe oge na ọnụ ọgụgụ;
8. N'ibu PLC na nwoke-igwe interface na-egosipụta ihe ọmụma chọrọ maka ule.
Product Feature and Application of the Surface Spread Flame Tester
1.This ngwa mejupụtara a radieshon panel n'ịnyịnya ekwesị na a gbaagburugburu na-akwado na a kpuchie ya.
2.The radieshon panel na-merụrụ na gas-air ngwakọta.
3.The radieshon panel bụ 850mm square maka a porous refractory ụdị burner ngọngọ haziri oru oma combustion nke ikuku-gas-air ngwakọta, na-enweghị enwu enwu aa na ihu nke panel n'okpuru arụmọrụ ọnọdụ.
4.The radieshon panel na ya igbagburugburu na-na-akwado na a kpuchie ya na center nke panel bụ banyere 1250 ± 100mm n'elu n'ala dị larịị.
5.A gbasirila njide na a pilot ire ọkụ ndokwa n'ịnyịnya n'otu akụkụ nke ngwa.
6.The gbasirila njide bụ nkejikotara a mmiri-mma ígwè etiti na mmiri-mma ihu efere. The ihu dị mbadamba yitewere na ụdị 20 ± 2mm na ha elu na ala n'ọnụ na n'elu vetikal ihu n'akụkụ ka ụzarị ọkụ panel.
7.A spring kwajuru mwekota na-positioned na mwekota nke gbasirila megide ihu efere.
8.The obere mmiri na gbasirila njide ka kacha okpomọkụ adịghị gafere 35 ℃ na tinyekwa si gbasirila njide.
9.The gbasirila njide nzukọ emi odude ke 90 ± 2 Celsius na ihu nke radieshon panel na ndị dị otú ahụ dị ka ụzọ na ihu nke na elu na ala na-eduzi nke gbasirila njide bụ na otu ụgbọelu dị ka n'ime ihu nke gbaagburugburu na radieshon panel.
10.The elu nke gbasirila njide na-hinged na-ekwe ka ọ na-gbutuo ịgbasapụ, n'ebe ihu nke radieshon panel n'etiti ule, si ule ọnọdụ nọrọ na njikere ọnọdụ na osote itughari.
11.The pilot burner bụ iso nke a ígwè tube.
12.The gas na ikuku ọkọnọ edoghi na radieshon panel nwere eruba mita, mgbali regulators, akara valves na nchekwa ngwaọrụ.
13.Heat agbanwe oge Meter: iche: 0 ~ 50 kW / m2; N'elu emissivity: ɛ = 0,95 ± 0,05.
14.Dummy mmezi osisi na njide, calibrated okpomọkụ agbanwe oge mita na-arịọnụ.
Product Nkọwa nke Mkpa Agbasaruo ire ọkụ T Ester
The elu ire ọkụ Mgbasa ule ngwaọrụ bụ a Bs 6853 usoro elu-ọsọ ígwè ire ọkụ retardant tester, nke kwesịrị ekwesị maka British ụlọ ihe na elu-ọsọ ígwè ire ọkụ retardant ule ụkpụrụ. Ọkọlọtọ bụ Bs 476-7. The ule usoro a na-eji iji chọpụta mpụta ndọtị nke sample elu ma dabere na-agba. Na ndọtị ogologo-ekpebi ọkụ larịị. Bs 476-7 bụ isi e ji tụọ ire ọkụ ndọtị nke kpughere na-ebupụta na mgbidi na uko ụlọ.
The ule usoro bụ tụọ oké egwu radiant agbanwe oge site amụnye na sample na a obere ire site iguzogide nwayọọ nwayọọ mgbanwe nke radiant okpomọkụ. The okpomọkụ radiant panel jikoro 850mm X 850mm. The ule gbasirila njide bụ mmiri mma na-onwem na a perforated mmezi efere na a thermal radiant agbanwe oge mmetụta na calibrate kwes radiance agbanwe oge usoro. The ule ngwá nwere elu chọrọ na ime nnyocha na saịtị, na onye ọrụ kwesịrị ọzọ nchekwa jikoro tupu ule ngwá nwere ike kpọkọtara.
Standard: Bs: Bs 476-7
Dimension: 1220 mm (W) x 550 mm (D) x 1920 mm (H)
Arọ: 210kg
nwụnye chọrọ
Ọdụdọ: 230 volts elu ọnụ 10 Amps
Ihere okpomọkụ: Ịwa 10 ° C na 35 ° C
Gas ọnọde: propane ma ikuku Compressor
Testing Room: 400m3
What is bs476?
BS 476 refers to the British standard for fire tests on building materials and structures. This test standard is split into two parts: Part 6 and Part 7. Part 7 specifies the test method for measuring the lateral spread of flame along the surface of a test specimen.
