Special-purpose foam fire extinguishing system of the tunnel

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Yu Yao Shi Shun Dan Fire Equipment Co., Ltd

Liang Long, Yu Yao,Zhejiang

0574-62357189, 021-64784059

Larger photo of Special-purpose foam fire extinguishing system of the tunnel

Special-purpose foam fire extinguishing system of the tunnel


company	Yu Yao Shi Shun Dan Fire Equipment Co., Ltd
Categories	Fire Extinguisher Powder
Update	2011-04-18
Original Region	China
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Special-purpose foam fire extinguishing system of the tunnel

Special-purpose foam fire extinguishing system of the tunnel

Product introduction:
SZT67-90/48-120 represents the double hole sprinkler head, one spray nozzle’s characteristic coefficient of nominal flow is 67, the foggy angle is 90 degrees, characteristic coefficient of nominal flow of another sprinkler head is 48, the foggy angle is 120 degrees, two spray nozzles of axles fasteners is 90 degrees, specially used for the one-way pair of lanes; SZT86-120 represents the single hole sprinkler head, the characteristic coefficient of nominal flow of the sprinkler head is 86, the foggy angle is 120 degrees, used for the one-way one lane.

Technical parameter

Model	Working pressure	Flow of short range	Flow of long range	Installation interval	Installation height
SZT67-90/48-120	0.35	90	125	≤3.6	≤10
SZT86-90/48/120	0.35	90	160	≤3.6	≤10
ZT43-90	0.35	80		≤3.6	≤10

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