HVAC Galvanzied Steel Back Draught Damper for Ventilation System

Product Details
Customization: Available
Material: Galvanized Steel
Usage: Ventilation
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  • HVAC Galvanzied Steel Back Draught Damper for Ventilation System
  • HVAC Galvanzied Steel Back Draught Damper for Ventilation System
  • HVAC Galvanzied Steel Back Draught Damper for Ventilation System
  • HVAC Galvanzied Steel Back Draught Damper for Ventilation System
  • HVAC Galvanzied Steel Back Draught Damper for Ventilation System
  • HVAC Galvanzied Steel Back Draught Damper for Ventilation System
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Basic Info.

Model NO.
PVA
Type
Duct System
Installation
Duct Work
Damper Plane
0~90 Degree
Size
100/125/150/160/200/250
Transport Package
Carton Box
Trademark
Airandus
Origin
China
Production Capacity
50000 Pieces/Year

Packaging & Delivery

Package Size
64.50cm * 62.00cm * 40.00cm
Package Gross Weight
15.680kg

Product Description

HVAC Galvanzied Steel Back Draught Damper for Ventilation System
HVAC Galvanzied Steel Back Draught Damper for Ventilation System
 
PVA
Back Draught Damper
1. The pressure relief valve PVA is used for preventing the reverse of air flow in circular duct systems.
2. The casing of PVA is made from galvanized steel, the blades are made of aluminium.
3. With a inner foam seal for better tightness and noise reducing.
4. The valve opens when overpressure occurs and closes by means of spring when the pressure drops.
5. It is recommended to install the shutter into horizontal duct.
Model ΦD(mm) L1(mm) L(mm)
PVA100 96 6 88
PVA125 121 19 88
PVA150 146 31 88
PVA160 155 36 88
PVA200 197 56 88
PVA250 247 61 128
PVA315 312 94 128
PVA355 352 65 198
PVA400 397 64 198
PVA450 447 80 248
PVA500 497 107 248

HVAC Galvanzied Steel Back Draught Damper for Ventilation SystemHVAC Galvanzied Steel Back Draught Damper for Ventilation SystemHVAC Galvanzied Steel Back Draught Damper for Ventilation SystemHVAC Galvanzied Steel Back Draught Damper for Ventilation SystemHVAC Galvanzied Steel Back Draught Damper for Ventilation SystemHVAC Galvanzied Steel Back Draught Damper for Ventilation System

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