Over 10,000+ customers' choice, Focus on screening industry 40+ years

Protein powder is an ultra‑fine powder, with particle fineness down to 43 microns and low bulk density. During traditional open conveying, it readily generates dust. Once dust escapes into the workshop air, it not only pollutes the environment but can also migrate to other clean areas, compromising the segregation between different cleanliness zones.
Gaofu's vacuum feeder uses a fully enclosed negative‑pressure conveying principle – the entire conveying process takes place in enclosed piping. The vacuum pump evacuates the system, creating a vacuum state. Powdered material is drawn into the suction nozzle with outside air, forming an air‑material mixture that travels through the enclosed conveying pipe to the hopper, where air and material are separated. The separated material then enters the receiving equipment. Raw materials never contact air or personnel from storage through conveying – eliminating dust contamination and foreign matter intrusion.
The value of fully enclosed conveying lies in:
Eliminating dust emission. The equipment completely eliminates material "spillage, leakage, emission, and drip" during feeding and conveying – effectively solving the dust emission problem. For sports nutrition plants seeking GMP certification, this means dust control in the conveying area meets stringent production standards.
Preventing cross‑contamination. Protein powder production workshops typically handle multiple product varieties – whey protein, soy protein, pea protein, collagen, and more – with frequent changeovers. The fully enclosed conveying system keeps different materials flowing in their own enclosed piping, physically preventing cross‑contamination. Raw materials never contact air or personnel from storage through conveying.
Protecting product purity. Enclosed conveying reduces material contamination from the environment and personnel, improving cleanliness. For high‑value, contamination‑prone materials like whey protein, purity protection during conveying directly affects final product quality and safety.
As a food ingredient consumed directly, protein powder places strict requirements on conveying equipment materials and construction.
Food‑grade stainless steel is the basic requirement. All parts that contact protein powder – including hoppers, conveying pipes, suction nozzles, and filters – should be made of 304 or 316L food‑grade stainless steel. Gaofu's vacuum feeder main structure is constructed of food‑grade stainless steel – with smooth surfaces that resist material adhesion and are easy to clean. For production scenarios with higher corrosiveness or stricter hygiene requirements, 316L stainless steel – with its added molybdenum content offering superior resistance to chloride ions – is the preferred choice.
Dead‑corner‑free design eliminates material residue. Food‑grade equipment design should avoid dead corners – any corner where material may accumulate and be difficult to clean can become a breeding ground for microorganisms. Gaofu's vacuum feeder features a quick‑release structural design with no dead corners – the equipment has no gaps or dead corners where material can accumulate, and surfaces are easy to inspect. For sports nutrition plants requiring frequent product changeovers, this design effectively prevents material residue and cross‑contamination.
Easy cleaning and maintenance – suitable for multi‑product changeovers. The quick‑release structure facilitates routine inspection and cleaning – particularly suitable for multi‑product changeover production, effectively preventing cross‑contamination. The equipment can meet CIP (Clean‑In‑Place) requirements – paired with a CIP system, it quickly removes raw material residue, effectively preventing cross‑contamination between different products, particularly suitable for small‑batch, multi‑product production needs.
Compliant with GMP and food hygiene standards. Gaofu's vacuum feeder meets GMP clean production standards for the food and pharmaceutical industries. The fully enclosed conveying piping and storage structure means raw materials never contact air or personnel from storage through conveying – eliminating dust contamination and foreign matter intrusion, complying with food industry hygiene standards. For sports nutrition plants seeking GMP, FDA, and other certifications, whether equipment materials and design comply with GMP specifications is a mandatory selection criterion.
Sports nutrition production typically operates continuously – the automation level of conveying equipment directly affects the operating efficiency of the entire production line.
Highly efficient automated conveying. Gaofu's vacuum feeder uses a vacuum pump to generate negative pressure suction – automatically conveying powder and granular materials to designated locations, with conveying capacity covering 200 kg/h to 6,000 kg/h – meeting various needs from laboratory R&D to large‑scale production. Conveying and discharge are controlled by pneumatic three‑way valves that open and close automatically, managed by a central control unit.
Intelligent feed control. Paired with an intelligent control system, it achieves precise feeding – avoiding material waste and ensuring batching accuracy. The system can automatically adjust feed rate according to recipes without manual intervention. For sports nutrition plants, this means feeding stability and reproducibility are ensured – batch‑to‑batch product consistency is more controllable.
Labour liberation and efficiency improvement. Automated feeding is 3‑5 times faster than manual operation, increasing single‑line capacity by over 30%. One system can replace 3‑5 workers – no manual handling, weighing, or dumping of ingredients – significantly reducing labour costs. Operators are freed from heavy physical labour – the working experience is fundamentally improved.
Protein powder is a combustible organic powder – during conveying, friction can generate static electricity, posing a dust explosion safety hazard. For sports nutrition plants, safety design of conveying equipment cannot be overlooked.
Explosion‑proof certification. Gaofu's vacuum feeding system core equipment has passed national explosion‑proof (CNEX) certification – reducing explosion risks. For environments with conductive dust, equipment surface temperatures do not exceed safety limits – ensuring safe use in hazardous areas.
Anti‑static design. For production scenarios with explosion protection requirements, anti‑static filter elements should be selected with proper grounding – reducing the risk of static charge accumulation on dust.
Pulse‑jet self‑cleaning – ensuring continuous operation. Gaofu's vacuum feeder is equipped with a compressed air pulse‑jet cleaning device – during each discharge cycle, compressed air pulses back through the filters, dislodging powder adhering to the filter surfaces – ensuring smooth suction. This design ensures the filtration system remains efficient during long‑duration continuous operation – preventing negative pressure drop or conveying interruption caused by filter clogging.
Sports nutrition production typically runs 24/7 – the operational stability of conveying equipment directly affects overall line utilisation.
Stable operation with low failure rates. With over 40 years of equipment manufacturing experience, Gaofu's GFZK series vacuum feeder has a well‑designed structure, simple maintenance, stable operation, and low failure rates.
Quick‑release structure for easy maintenance. The equipment features a quick‑release structural design with no dead corners – easy to inspect and clean. The equipment has no gaps or dead corners where material can accumulate – surfaces are easy to visually inspect.
Pulse‑jet cleaning – sustained high efficiency. The compressed air pulse‑jet cleaning device automatically cleans filter elements at regular intervals – maintaining consistent filtration efficiency. This design effectively extends filter service life, reducing maintenance frequency and downtime.
Flexible customisation – adaptable to various operating conditions. Whether for food ingredients like flour and sugar powder, or pharmaceutical and chemical powders, Gaofu provides customised conveying solutions according to conveying distance, material characteristics, and site conditions. Conveying distance covers 5‑30 metres – suitable for various scenarios from short‑distance same‑floor conveying to long‑distance cross‑floor conveying.
Food Industry Client Testimonials
Nestlé, CP Group, Haitian Flavour & Fragrance, Yihai Kerry, Yili, Mengniu,Shuanghui, Wahaha, Master Kong, Want Want, Anjoy Foods, Angel Yeast,Yangyuan Foods, Uni-President Enterprises, Qiaqia Food, Luhua Group,Alpenliebe, Golden Monkey, Orion, Xizhilang,Sanquan Foods, Synear Food, Oishi, Wong Lo Kat, Yanjing Beer, Seamild,Jinpai, Chubang, Hengshun Vinegar Industry, Longda Group, Beijing Daoxiangcun, Anhe Dairy,Weiwei Group, Xiangpiaopiao, Maiquer, Tianbing, Binqi Food, Ligao Okun
Fortune 500 Client Testimonials
CNPC、CSCEC、Sinochem Holdings、CRCC、China Minmetals Corporation、CNOOC、CR、Sinopharm、CHN Energy、COFCO Corporation、Huawei Technologies、PowerChina、CITIC Group、Wuchan Zhongda Group、NORINCO、Chalco、CNBM、 Shaanxi Coal and Chemical Industry Group、Ansteel Group、CETC、CSSC、CASC、CEC、Jinchuan Group、CASIC、Conch Cement、CNNC、SPH、Shanxi Coking Coal Group、 Zhongtai Chemical、GPHL、DEC、Sinosteel Corporation、MCC、China National Salt Industry Chemical、China Baowu Steel Group、China Animal Husbandry Industry Co., Ltd.、CECEP
About Gaofu
Originated in the 1980s, Xinxiang Gaofu Machinery Co., Ltd. has developed into a leading enterprise after more than 40 years of steady development. The company holds authoritative national qualifications including National-level Specialized, Refined, Unique and Innovative Little Giant Enterprise, National Green Factory, National High-tech Enterprise, and National Intellectual Property Advantage Enterprise, and acts as the President Unit of the Vibration Industry Association.
It has established three provincial and municipal R&D platforms: Henan Provincial Industrial Design Center, Henan Provincial Engineering Technology Research Center for Intelligent On-line Screening System, and Xinxiang Municipal Fine Screening Engineering Technology Research Center. Up to now, Gaofu has obtained more than 500 patents covering invention, utility model and design. It has been awarded the Science and Technology Achievement Prize by the Ministry of Industry and Information Technology of China and has participated in drafting and formulating 4 national standards.
Gaofu’s product portfolio covers multiple series and hundreds of specifications, mainly including vibrating screening equipment, conveying equipment and intelligent automatic material handling systems. We provide one-stop overall solutions such as automatic feeding systems, powder supply systems, pneumatic conveying systems, metering and weighing systems, batching systems, micro-ingredient batching systems, water supply systems, oil supply systems, fluid conveying systems, central kitchen powder supply systems, powder conveying systems and feeding systems.
In terms of food production lines, our mature supporting systems cover two major categories: baking production lines and pasta production lines. The baking series includes production lines for bread, cake, crisp cake, croissant, toast, pizza, biscuit and hamburger. The pasta series includes intelligent production lines for steamed buns, stuffed buns, twisted rolls, sesame paste cakes, steamed dumplings, boiled dumplings, fried dough sticks and pies.
Gaofu products sell well across Greater China and are exported to more than 100 countries and regions worldwide, including Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa. Widely applied in food, pharmaceutical, chemical, metallurgical, building materials, mining, thermal power, environmental protection and other industries, our products have won the trust and recognition of over 10,000 global customers.
Adhering to the corporate mission of improving material quality and efficiency to meet customer needs, Gaofu has long-term stable cooperative relationships with global clients to achieve harmonious and win-win development. At present, Gaofu has become an official qualified supplier of many Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Group, China Resources Group, Sinopharm Group, COFCO, China National Building Material, China Aerospace and Jinchuan Group.