As the most commonly used equipment in laboratory ventilation systems, fume hoods are mainly used to purify harmful gases generated during experiments. They exhaust and purify polluted air, so as to clean the indoor air and protect the health of laboratory staff. Therefore, it is very important to buy a fume hood with reliable quality and excellent performance. The following summarizes detailed experience for purchasing fume hoods, which is divided into three key points for reference.
Confirm your own demand
Before buying a fume hood, you should make thorough consideration before making a purchase decision. You need to select the material and type of the fume hood according to the type of laboratory, experimental orientation, laboratory space layout, installation position of ventilation system and personnel activity space. You need to decide whether to choose a PP fume hood or an all-steel fume hood, walk-in type or ductless type, and confirm the specific size specification. All these should be clarified before purchasing.
Check the product quality
It is necessary to confirm whether the materials of the fume hood pass quality inspection. There are many shoddy fume hoods on the market. It is essential to choose products with complete specifications, qualified by national quality system testing and with relevant certificates. Meanwhile, the ventilation performance shall reach qualified standard or above. The performance detection method of fume hoods can be learned from professional related materials. The product quality can be evaluated from production technology, overall finish, material selection of each component, welding process, spraying technology, practicality and environmental friendly performance.
Pay attention to purchasing channels
There are a large number of fume hood sellers in the market. It is recommended to purchase directly from professional manufacturers. Firstly, purchasing from manufacturers can avoid the price difference charged by middlemen and distributors, with higher cost performance. Secondly, manufacturers can provide more reliable after-sales service. If minor faults occur in later use, there will be no situation of unable to contact after-sales personnel or slow maintenance processing. When selecting suppliers, you can check the official website, product introduction, enterprise qualification and after-sales service guarantee of the company.
The above is the introduction of how to purchase a fume hood, hoping everyone can buy high-quality products with stable performance and trouble-free use.
