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piPREMIUM upgrade kit C21-400, 02.00.332


Part no. 02.00.332

Product image may differ from actual product.
  • The kit is a plug-and–play assembly for a quick changeover to replace the Maxi L pump and top module
  • COAX® patented technology
  • Side mounted for low building height
  • High vacuum flow
  • Compact size and low weight
  • Low noise level
  • Modular design
  • Pneumatic valve for compressed air to shock tank and mounting plate for the C series are included
Metric   Imperial
Material PA, PP, SS, Al, ASTM 316L, Nitrile (NBR)
Noise level 69 – 77 dBA
Temperature 32 – 140 °F
Weight 19.8 lb
Feed pressure, max. 102 psi
Feed pressure, optimum 58 – 87 psi
Vacuum 17.72 – 22.15 -inHg
Feed pressure Air consumption Vacuum flow (scfm) at different vacuum levels (-inHg) Max vacuum
psi scfm 0 3 6 9 12 15 18 21 -inHg
58 42.4 136 89 63.6 40.7 27.1 13.6 3.39 17.7
73 50.9 155 97.5 74.2 47.5 28.8 21 11.9 6.14 20.7
87 59.3 163 102 89 57.2 30.5 20.3 17 11.9 22.1
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Dimensional drawings

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Values specified in the data sheet are tested at:
Room temperature (20⁰C [68⁰F] ± 3⁰C [5.5⁰F])
Standard atmosphere (101.3 [29.9 inHg] ± 1.0 kPa [0.3 inHg])
Relative humidity 0-100%
Compressed air quality DIN ISO 8573-1 class 4

Part no.
Regulator kit 1/2" 100-400 01.04.490
Wall mounting kit pump piPREMIUM 100-400 01.29.790
Maintenance kit piFLOW® pumps 02.01.649
Support / CAD
Training (1)
YouTube videos (2)
    • Vacuum conveyors

      • Can food and pharmaceutical products be transported through vacuum conveyors?
      • Can Piab vacuum conveyors be used to convey tablets, capsules etc.?
        • Yes. Piab has experience of conveying a large variety of tablets and capsules without damage.  Please contact us for detailed information.

      • Can the conveyor be used to dose material?
        • No it can’t. Normal procedure is to dose before or after conveying.  

      • Can you convey liquids?
        • No we can’t. It’s extremely difficult to control the amount of liquid coming in the conveyor.

      • Can you convey material vertically?
        • Yes, up to 25-30 feet without accessories/pipe emptying solution. With a pipe emptying solution, up to 80 feet.

      • Can you provide IQ/OQ documentation with a conveyor?
        • For piFLOW®p we can supply this documentation. It is a template that shall be filled in during start up and with the help of the manual that comes with the shipment. 

      • Do you use any electricity on the conveyors?
        • No, the conveyors use only compressed air. Even our control systems are pneumatic. 

      • Does Piab have any warranty on the unit?
        • Piab offers a warranty to distributors, integrators and users of Piab products worldwide as per the following definitions:

          • A five-year warranty is valid for complete vacuum conveyors excluding electro mechanical pumps and controls.
          • A five-year warranty is valid for vacuum pumps excluding electro mechanical pumps, accessories and controls.
          • A two-year warranty is valid for electro mechanical pumps.
          • A one-year warranty is valid for other products.

          General warranty principles:

          • Piab guarantees against defects in the manufacture and materials by normal use in a proper environment, when following the instructions for care, maintenance and control described in the appropriate Piab manual.
          • Piab replaces or repairs, free of charge, faulty products provided that these are returned to Piab and found to be covered by the warranty.
          • It is at Piab’s discretion whether a faulty product should be sent back to Piab for replacement or if the repair shall be made locally at Piab’s expense.
          • This warranty does not include wear parts such as filter elements, sealings, hoses, pipe fittings, pipe bends, pinch valves (in-line with conveyed material), reducers, etc.
          • This warranty does not include subsequent damages caused by defective products.
      • How do I troubleshoot?
        • In the manual for conveyors there is one section about troubleshooting. You are also welcome to contact the nearest Piab company.

      • How many feet is it possible to convey powder?
        • 0 – 160 feet if the conveying length does not include a vertical lift more than 16 feet and the product density is between 1.10-2.20 lb.

      • How to avoid the material segregation?
        • By having the right mix of air and conveyed product. This is achieved from where the Piab conveyor draws the material with the help of our feeding point accessories. Please also read our  white paper on segregation and contact any Piab company for further information.

      • Is the Piab conveyor made to stand overpressure?
        • No they are not, only for under pressure.

      • Is there a risk of dust explosion?
        • Not if instructions in the manual are followed. All Piab conveyors have a grounding point.  All our conveyors can be sent with ATEX dust approval. 

      • Please tell me how to disassemble the vacuum conveyor
      • Please tell me the approximate amount of powder transport
        • From about 550 lbs/hour to about 22,000 lbs/hour.

      • Please tell me the method of selecting the vacuum conveyor
      • What can go wrong with the unit?
        • With regular maintenance, the unit will do the job for years to come.

          If the compressed air is dirty/has fluid in it, the filter can be clogged as well as the ejectors and the timers.Water in the air line is not optimal.

          Consult the manual for troubleshooting if you would encounter anything unusual.

      • What is included in the delivery of the conveyor?
        • Conveyor, filter regulator (1” connection)


          Troubleshooting guide


      • What is the material used for the body of the conveyors?
        • piFLOW®p is made of stainless steel  316L.

          piFLOW® i and f  are made of stainless steel 304.

      • What kind of certificate can you provide with your conveyors?
        • To a large number or Piab conveyors we can offer FDA, ATEX Dust and Gas, 2.2 certificates.

      • What type of accessories can Piab provide?
        • Stainless steel, aluminum, or PE, aspirated and non-aspirated feed wands

          Feed adapter with or without flange connection

          Feed station/hopper

          Flexible Hose

          Remote start/stop valve

          Level sensor


          Transition from the unit to downstream equipment

      • What type of filter is available for this unit?
        • Pleated rod. Filtration grade 0,5µm. a hard rod filter in PE and PUR material with a PTFE membrane.  Comes in black and white version.

          Pleated, Filtration grade 0,5µm. A hard polyester and PUR filter with a PTFE membrane. Gray color.

          Textile. Filtration grade 5,0µm filterbag in polyester and a ePTFE membrane.  Light gray color.

      • What utilities do I need?
        • Compressed air with normal industry pressure of 58-87 psi.

      • When transporting granules, do the granules break or become damaged?
        • It depends on the physical properties of the granules. Piab has experience of conveying a large variety of granules, tablets and capsules without damage.  Please contact us for detailed information.

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