{"id":20,"date":"2026-07-26T16:30:01","date_gmt":"2026-07-26T16:30:01","guid":{"rendered":"https:\/\/nanzhimachinery.com\/?post_type=product&#038;p=20"},"modified":"2026-07-26T16:38:27","modified_gmt":"2026-07-26T16:38:27","slug":"exhaust-fan","status":"publish","type":"product","link":"https:\/\/nanzhimachinery.com\/zh\/product\/exhaust-fan\/","title":{"rendered":"Exhaust fan"},"content":{"rendered":"<p>Characteristics<\/p>\n<p>&nbsp;<\/p>\n<p>The main feature is its strong exhaust capacity, which can quickly expel indoor air, thereby reducing indoor temperature and improving air quality. In addition, negative pressure fans also have the advantages of simple structure, stable operation, and low noise.<\/p>\n<p>&nbsp;<\/p>\n<p>working principle<\/p>\n<p>&nbsp;<\/p>\n<p>The working principle is mainly driven by an electric motor to rotate the fan, so that indoor air is discharged outside under the action of the fan. At the same time, fresh outdoor air enters the room through the air inlet under negative pressure, creating an air circulation effect.<\/p>\n<p>&nbsp;<\/p>\n<p>Application Scenarios<\/p>\n<p>&nbsp;<\/p>\n<p>Widely used in various places, such as industrial factories, warehouses, breeding farms, vegetable greenhouses, etc. In these places, negative pressure fans can effectively reduce indoor temperature, eliminate odors and moisture, and improve working and living conditions.<\/p>\n<p>&nbsp;<\/p>\n<p>select<\/p>\n<p>&nbsp;<\/p>\n<p>When choosing a negative pressure fan, it is necessary to select the appropriate model and specifications according to actual needs. Factors to consider include usage location, indoor area, ventilation volume, noise, etc. In addition, attention should be paid to the quality of the product and after-sales service.<\/p>","protected":false},"excerpt":{"rendered":"<p>Characteristics &nbsp; The main feature is its strong exhaust capacity, which can quickly expel indoor air, thereby reducing indoor temperature and improving air quality. In addition, negative pressure fans also have the advantages of simple structure, stable operation, and low noise. &nbsp; working principle &nbsp; The working principle is mainly driven by an electric motor [&hellip;]<\/p>\n","protected":false},"featured_media":27,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[16],"product_tag":[],"class_list":["post-20","product","type-product","status-publish","has-post-thumbnail","product_cat-bv","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/product\/20","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/comments?post=20"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/media\/27"}],"wp:attachment":[{"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/media?parent=20"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/product_brand?post=20"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/product_cat?post=20"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nanzhimachinery.com\/zh\/wp-json\/wp\/v2\/product_tag?post=20"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}