Product DescriptionNegative pressure fan uses the cooling principle
of air convection and the negative pressure air exchange, air is
discharged to outdoor which makes the indoor air pressure drop,
indoor air becomes thinner, forming a negative pressure zone, then
outdoor air, due to the air pressure difference compensates into
the room, so that the indoor stuffy gas can be quickly forced to
discharge outdoor.By this way,cooling effect can reach
90%-97%.Thus,negative pressure fan has the advantages of less
investment, low energy consumption, significant cooling effect,
etc.A galvanized sheet metal negative pressure fan is a common type
of negative pressure fan whose housing is usually made of iron or
other metal materials. It achieves the effect of ventilation and
air exchange by drawing in air and discharging it outside. The
galvanized sheet metal negative pressure fan is widely used in
ventilation and exhaust in industrial production workshops,
agricultural farming, commercial buildings, and other
places.Product Parameters Products304 stainless steel
metal negative pressure fanModel sizeType 800Type 900Type 1000Type
1100Type 1220Type 1380Type 1530Body
size80*80*35cm90*90*35cm100*100*35cm110*110*35cm122*122*35cm138*138*35cm153*153*40cmFan
blade diameter650mm750mm900mm1000mm1100mm1250mm1400mmBlade rotate
speed616rpm616rpm513rpm513rpm427rpm427rpm427rpmMotor
speed1400rpm1400rpm1400rpm1400rpm1400rpm1400rpm1400rpmAir
volume(m³/h)22000270003000034000370004450055700Noise
level(db)≤70≤70≤70≤70≤70≤70≤70Input
power370w370w550w750w1100w1100w1500wVoltage220v/380v220v/380v220v/380v220v/380v220v/380v220v/380v220v/380v
Detailed Photos Installation Diagram Our
AdvantagesThe galvanized sheet metal negative pressure fan under
Ruilin products has the following advantages:1. Low noise: Compared
with other air purification equipment, Rui Lin's galvanized sheet
metal negative pressure fan has a low operating noise, which will
not affect people's normal life and work.2. Energy saving and
environmental protection: Rui Lin galvanized sheet metal negative
pressure fan adopts low power pure copper motor, which is stable
and reliable and can significantly reduce energy consumption and
operating costs, and also has the characteristics of energy saving
and environmental protection.3. Easy to maintain: The simple
structure and removable parts of the galvanized sheet metal
negative pressure fan make it easy to carry out daily cleaning and
maintenance and prolong the service life.4. Reliable quality: Rui
Lin galvanized sheet metal negative pressure fan, with thickened
hot dip galvanized shell, pure copper motor, large air blade,
invisible heavy hammer, and high-quality rubber belt, has reliable
quality, strong wind power, good quality, and high-cost
performance.Company Profile Rui Lin Ventilation
EquipmentZhuji Ruilin Ventilation Equipment Co., Ltd, located in
the historical site of Yue (state) with the richest Yuyue culture,
is a professional and efficient enterprise with complete set of
high-tech equipment, covering automatic decoiler machine, New
CNC Bending Machine, laser cutting machine, as well as advanced
louver forming machine.Established in 2013, Ruilin Ventilation has
gone through ten years of struggle with over one hundred employees
working together in the spirit of pragmatism and dedication to
excellence.To date, Ruilin Ventilation has owned 15 new
professional assembly lines, with a daily production capacity of up
to 600 sets of brand-new upgraded machines. Additionally, advanced
production equipment provide strong support for product quality.
With strong production capacity, Ruilin Ventilation has
continuously broken through growth barriers. Its high-quality
negative-pressure air fan, complete standard accessories, and
continuous stable supply have achieved great advantages in
application fields and won recognition from customers and
industries.Ten year wind and rain roads makes quality
assuranceCarefully selecting high-quality raw materials to ensure
high-performance and high-quality products.Over one hundred
employees work together to provide a one-stop production and
processing service in the shortest possible time to achieve the
maximum and best work. Customer satisfaction is our ultimate
goal.Ruilin Ventilation is the best choice for negative-pressure
air fan. For ten years, Ruilin Ventilation have focused on
quality production, earned customers' trust and have been leading
in sales. Their one-stop service not only saves time and cost, but
also provides professional and efficient ventilation
equipment."Ruilin Ventilation will continue to create new
professional negative pressure fans and accessories. It will
continue to courageously pursue perfect, and manufacture advanced
equipment with the most professional tools, while satisfying
customer demands with the highest level of efficiency in
service. After Sales Service1) The whole chiller for 1
years2) Compressor brands vary according to model and actual needsD
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