Combination purge – take off box keeps resin lines clear – used with dry air and ambient air conveyance
![Combination purge - take off box keeps resin lines clear – used with dry air and ambient air conveyance](/wp-content/uploads/2015/03/Picture31-250x195.png)
Proportional valves for blending virgin and regrind material or for dry air / ambient air purge valves
![Proportional valve for blending in regrind material or used as an external line valve](/wp-content/uploads/2015/03/Picture32-250x227.png)
Close loop convey and keep your dried material dry
![](https://dri-air.com/wp-content/uploads/2015/03/closed_Loop-250x243.png)
Vacuum take off boxes for drying hoppers, surge bine etc. with probe sizes from 1.5” – 4”
![Vacuum take off boxes for drying hoppers, surge bine etc. with probe sizes from 1.5” – 4”](/wp-content/uploads/2015/03/Picture33-250x190.png)
Purge valves, proportional valves, external line valves provide you with the accessories you need to complete your material handling system.