Spray Equipment for Conveying Systems


Ensuring a safer working environment in food and pharmaceutical processing plants, Wet-In-Place (WIP) functionality has been added to Piab’s popular piFLOW p vacuum conveyors. WIP spray nozzles are now available for inclusion/retrofitting in new and existing piFLOW p conveying systems.


The water sprayed by the WIP nozzles will wet any dust from food or pharmaceutical materials left in conveyors, stopping it from escaping into the air where it can be inhaled by processing staff during maintenance or cleaning procedures. By wetting potentially harmful leftover material before the equipment is opened for cleaning, the spray nozzles ensure that any such dust stays Wet-In-Place until it can be safely removed.


For maximum performance and coverage, and to make sure as much material as possible is captured as quickly as possible, up to three spray nozzles can be fitted to each conveyor. The configurable design of the piFLOW p conveyor also allows simple retrofitting of WIP units, including extra air filters, in existing conveying systems. Piab’s sterile Ultra Low Penetration Air (ULPA, class U15-17) filters provide greater filtration than High Efficiency Particulate Air (HEPA) filters, and are offered as standard accessories for piFLOW p.


The piFLOW p conveyor for powder and bulk materials is designed to perfectly match the stringent demands for operational safety and hygiene within the food and pharmaceutical industries. Made from materials that comply with the US FDA and EU 1935/2004 regulations, Piab’s conveyors can be used to safely transport large volumes of powder/bulk materials, and their advanced technology will guarantee segregation-free conveying. Maximizing the safety of the processing staff, piFLOW p is available in ATEX dust and gas approved designs, in which all plastic or rubber parts, including filters and seals, are made of antistatic nitrile butadiene rubber (NBR).


  • The WIP modules fits well with all piFLOW p conveyors between two to 33 litres
  • The WIP module has a hygienic design to secure optimum functionality
  • Designed mainly for industries handling food, chemical and pharmaceutical products
  • Low noise level
  • Automatic filter cleaning
  • All materials in contact with the conveyed product fulfi ll the requirements of FDA and EC 1935/2004, and designed according to USDA dairy guideline
  • Optionally available with ATEX certifi cate and/or IQ/OQ and/or 2.2 certificate
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