Carbon Steel Fire Smoke Exhaust Fan Heat Resistant Axial Fan With Double Speed

Product Specification

HTF Fire Control Fan Highlights:

• This fan is set up with double-speed motor, it operates at a low speed normally and used for ventilation.
• Once occurrence afire, the fan is automatically transferred into high-speed and discharge smoke by the electric control system, which facilitates safe evacuation of personnel on the fire spot.
• High quality strong steel to increase the running time.
• Full-copper motor with bearing motor. 

  HTF Fire Control Fan Features:   

  : Main Function
  : HTF A type fire-control fan can run for more than 30 minutes continually under the condition that the air and smoke temperature is at 280ºC. It can run continuously under or equal to 120ºC for a long period of time. The fan normally equip with a double-speed motor. Once there is a fire, it will automatically change to a high-speed and discharge smoke by the electric control system to ensure extraction smoke effectively and leave time for the people to evacuate.

  : General Features
  • According to GB50045
  • Approved by ”National Quality Inspection Centre for Fixed Fire Fighting Systems and Fire Resisting Components”. Performance is higher than standard domestic requirements. 

  : Material Properties
  : HTF A type fire-control fan is made of Carbon Steel Q235A with painting coating. The motor is 100% pure cooper wire. The design has been modified lots of times to boost its efficiency. Measured to show fan efficiency is greater than 80%. 

  : Installation
  : The basic form of this fan is axial-flow or inline-flow, which can be directly connected to the duct or wall mounted. It can be installed vertically or horizontaly. Space saving and easy installtion.

  : Usage Areas
  : Hotels, office buildings, theatres, shopping malls, basements etc. for high temperature fire fighting and ventilation. Also used as central air-conditioning unit fan end fan in tall buildings or civil buildings. Generally used for ventialtion or exhuast air in factories. 

     All fans house and motor are guranteed for 1 year!   

  Model	Power (KW)	RPM (r/min)	Volume (m³/h)	Pressure (Pa )	St. Pressure(Pa )
  HTF-I-(A)-3.5A	1.1	2800	2550～3684	344～229	308～164
  HTF-I-(A)-4A-I	0.55	1400	1970～2700	150～90	134～55
  HTF-I-(A)-4A	1.5	2800	3800～5500	450～330	412～220
  HTF-I-(A)-4.5A-I	0.75	1400	3060～4250	168～103	152～73
  HTF-I-(A)-4.5A	2.2	2800	6120～8500	670～410	607～289
  HTF-I-(A)-5A-I	1.1	1400	3410～4912	188～127	175～100
  HTF-I-(A)-5A	3	2900	6817～9824	752～510	700～403
  HTF-I-(A)-5.5A	4	2900	10900～15200	900～530	834～410
  HTF-I-(A)-6A-I	1.5	1400	6599～8045	190～127	166～92
  HTF-I-(A)-6A	5.5	2900	13197～16090	950～510	855～370
  HTF-I-(A)-6.5A	5.5	1450	15300～21500	680～425	570～300
  HTF-I-(A)-7A-I	3	960	12518～16141	319～267	273～190
  HTF-I-(A)-7A	7.5	1450	18908～24380	728～610	622～434
  HTF-I-(A)-8A-I	3	960	17222～20800	317～263	263～188
  HTF-I-(A)-8A	7.5	1450	26012～31421	545～460	395～288
  HTF-I-(A)-9A-I	4	960	18216～22186	368～246	332～192
  HTF-I-(A)-9A	11	1450	27613～33510	840～562	757～439
  HTF-I-(A)-10A-I	5.5	960	24019～30255	338～276	296～210
  HTF-I-(A)-10A	11	1450	35000～45679	770～630	682～480
  HTF-I-(A)-11A-I	5.5	960	36375～38664	387～326	322～252

  
   
  Q1: What are the main applications of the HTF fire exhaust fan?

  A1: It is widely used for fire safety ventilation in tall buildings, subway tunnels, underground malls, gymnasiums, and industrial workshops.

   
  Q2: What is the key fire safety certification?

  A2: The HTF series has passed national fire safety product testing, meeting standards for continuous operation at 280°C for over 30 minutes.

   
  Q3: How does the dual-speed functionality work?

  A3: The fan operates at low speed for daily ventilation and automatically switches to high speed during fires to discharge smoke, facilitating safe evacuation.

   
  Q4: What is the operating temperature range?

  A4: For normal ventilation, the air temperature should not exceed 80°C. For fire exhaust, the fan can operate continuously at 280°C for over 30 minutes.

   
  Q5: What gas conditions is the fan suitable for?

  A5: It handles non-corrosive, non-flammable air with dust concentrations ≤150mg/m³.

   
  Q6: Is the fan suitable for continuous operation?

  A6: Yes, the fan is designed for long-term continuous operation in both normal and emergency conditions.

   
  Q7: How do I choose the right model for my building?

  A7: Consider the required airflow, static pressure, duct system size, and fire safety requirements. The series offers a wide range of models with different capacities.

   
  Q8: What maintenance is required for the HTF fan?

  A8: Regular inspections and maintenance are recommended to ensure reliable performance, including checks of the motor, impeller, and control system.

   
  Q9: Can the fan be installed vertically or horizontally?

  A9: Yes, the inline design allows for both vertical and horizontal installation in duct systems.

   
  Q10: What certifications does the HTF series have?

  A10: The series meets national fire safety standards and is certified by relevant authorities. CE-certified versions are available for European customers.