Webster Griffin Ltd
Brooklands Park
Farningham Road
Crowborough,  TN6 2JD
England (UK)

T +44 (0) 1892 664250
F +44 (0) 1892 664340
E info@webstergriffin.com

> Home > Our Machines > Valve Sack Filling > Universal Air Packer
Universal Air Packer

Giving you:

  • Versatile – suitable for filling different types of powders
  • Simple concept – low pressure air ‘pushes’ the powder into the sack
  • Low maintenance
  • Motionless load cell weighing – no linkages or knife edges
  • No moving parts (bearings, shafts or seals) in contact with your product
  • Easy to clean out
  • Suitable for filling all types of valve sacks:- paper, plastic, woven polypropylene with internal self closing or external (tuck-in) valve

Ideal for packing:

  • Chemicals
  • Refractories
  • Dry cement mixes
  • Minerals
  • Sand (kiln dried)
    Slag, blast furnace crushed
  • Fuller’s Earth (Bentonite)
  • S-PVC
  • Carbon black pearls
  • Plastic chips
  • Starch
  • Cocoa, powdered
  • Cake mixes
  • Tea (fine leaf)
  • Sugar, granulated, caster, icing
  • Salt (vacuum dried)


  • 2-6 sacks/minute per filling spout

    (Throughput depends on filled sack weight and product specification:- bulk density, particle size, flow characteristics).

Standard Options:

  • Low pressure air blower with motor driven fan, 1.0 – 2.0 KW
  • Stainless steel product contact parts
  • Filling spout with:-
    - Inflatable dust tight collar
    - Internal venting/aspiration
    - Air blast, spout cleaning
  • Aeration candle for heavy dense products and plastic pellets
  • Vibrator to assist the flow of cohesive powders
  • Automation:-
    - Sack placer
    - Filled sack discharge
    - Filled sack takeaway
    - Valve closing/sealing
    - Automatic palletising
    and pallet wrapping
  • Production reports – WDPS software
  • Hazardous areas

Universal Air Packer for filling valve sacks


Two spout universal air packer