Centrifugal exhaust blower introduction
According to the shape of fan, the single inlet air forward centrifugal fan can be divided into two types: spiral volute forward centrifugal fan and conventional forward centrifugal fan. The former fan is composed of three parts . Fan volute casing made of galvanized steel or stainless steel plate is mainly useful for the thermal overload protection, external rotor motor, high efficiency centrifugal impeller. The latter is composed of a multi wing forward centrifugal impeller and a motor with an overload heat protection outer rotor. The former type of motor is mainly used with various ventilation cabinets, wind boxes, range hoods, industrial refrigeration systems, dust removal units and so on. The latter is used in central air conditioning, fresh air system, air purification and filtration equipment, pipe ventilation equipment, etc. Single inlet forward centrifugal fan by high external rotor AC motor, galvanized steel casing, multi blade forward curved centrifugal impeller, maintenance of deep groove ball bearing, a rotor composed of electrostatic powder spray. IP54 or IP44 protection level, class B or F class insulation level, S1 continuous operation mode, built-in overload thermal protector, the product has passed the United States UL and European CE product certification, protection level is IP54 and IP44, insulation grade is B and F level. It has the characteristics of long service life, free maintenance, high efficiency, low power consumption, high economic efficiency, compact design, space saving, beautiful appearance, low voltage starting, etc.
Products are widely used in schools, hospitals, hotels and other places of ventilation, with a variety of ventilation cabinets, wind boxes, hoods, industrial refrigeration systems, dust removal machines and other supporting use.
Designing and manufacturing of non-standard equipment;
Supply accessories at any time;
Tele-technical consulting and services;
Other special technical service according to client’s requirements.
1. Q:Can the machine be customized as our need, such as put on our logo?
A:Surely our machine can be customized as your need, Put on your logo is also available.
2. Q:What is your minimum order quantity, can you send me samples?
A:Our minimum quantity is 1 set, that means sample order is acceptable, and we warmly welcome you to come visit our company.
3. Q:How do you arrange shipment?
A: By Sea/By Train/By Air or By Express, it depends customer’s request. Usually the big fans are sent by sea, small fans and urgent order by express and air.
4. Q:Which level of quality are your products?
A:We have got CE, ISO9001 certificate so far.
5.Q:About the after-sale service, how can you solve the problems occurred of your overseas customer in time?
A:The warranty of our machine is normally 12 months, during this period, we will arrange the international express immediately, to make sure the replace parts to be delivered as soon as possible.
6. Q:After we placing an order, will you arrange the installation of the machine at present?
A:All the machines will be tested well before delivered, so almost of them can be used directly, also our machine are easy to be installed, if your customer needs our assistance, we will be pleased to arrange the installation, but all the cost will be charged by you.
After over 20 years' development, JN Fan is now one of the leading industrial extractor fan forward curved centrifugal fan manufacturers and suppliers in China. If you want to wholesale the quality ventilation equipment made in China, welcome to contact our factory for the products.