Smoke and fire damper
Minimum Order: 0
Quality/Safety Certification: 0.00
1.Material: Carbon sheet and galvanized sheet optional
2.Round and square shape optional
3. All size are acceptable
Specification sheet of multi-valve fire damper and supply-air outlet(PSK-SD/PSK-SDW/PSK-YSDW) | ||||||
Specification A×B | 400×400 | 500×500 |
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500×400 | 630×500 | 630×630 |
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630×400 | 800×500 |
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800×400 | 1000×500 | 800×630 |
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1000×400 | 1250×500 | 1000×630 | 800×800 |
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| 1250×630 | 1000×800 | 1000×1000 |
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| 1600×630 | 1250×800 | 1250×1000 | 1600×1250 | |
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| 1600×1000 | 2000×1250 | |
No. of actuating mechanism | 1 | 2 | ||||
thickness of valve body(L) | 275 | |||||
coefficient of drag | ≤0.5 | |||||
air leakage | ≤1000m3/m2·h(psid 250Pa) ≤2000m3/m2·h(psid 1000Pa) | |||||
