2018 Blow Thru Airlock
2018 Blow Thru Airlock

Walinga's 2018 Blow Thru Airlock - A large sized Walinga airlock with a 2.69 Cubic foot per revolution (76 Litres per revolution) capacity.

Designed for maximum efficiency and minimal bulk damage the airlock housing is precision machined from a cast iron shell for unequaled performance. The 10 vane fabricated steel rotor with adjustable Hardox square steel tips for longer life. To minimize bulk damage and improve performance, a special rotor wiper levels the pockets. The entire assembly is powered by an electric gear box. A chain drive transfers power to the airlock and the units ship with maintenance free factory sealed bearings. Each system can be customized to your production needs. The 2018 is available only as a Blow Thru model 7" inlet/outlet.


Part Number: 30-77779-5 NEW 2018-7A Blow-Thru, Hardox Square Tips, without motor




Download Airlock Specifications PDF


Height26.375 inches (66.9925 cm)
Inside diameter24.419 inches (62.02426 cm)
Overall Length (incl. std. shaft)34.8125 inches (88.42375 cm)
Weight970 lbs (439.985 kg)
Line Size7 inch
Special order plenums and bolt patterns available.
Available with or without grapple loops.
Special order colours available.
LubricantNot Required, Factory Sealed Bearings


Displacement per revolution2.69 Cubic feet per revolution (76.0 Litres per revolution)

AMPS 6 Month Warranty

SIX MONTH AMPS WARRANTY *EXTENDABLE TO ONE YEARThe warranty period for Walinga parts shall expire six (6) months after the date of sale to the original customer; with the exception of parts purchased from a Walinga authorized Dealer. In these situations, the warranty period shall expire six (6) months after the date of sale recorded on the dealers Sales Order to their customer.

* Parts which are purchased from Walinga and installed at a Walinga service facility, a Walinga authorized dealer or a Walinga authorized service facility will qualify for a six (6) month warranty extension; bringing the total warranty period for these items to one (1) year from the date of their installation.

Download AMPS Six Month Warranty PDF

*Due to continuous product development, specifications are subject to change without notice.