| Model: | PC850 |
| Filter: | PC850 |
| Minimum Panel Size: | 10" x 10" |
| Maximum Panel Size: | 48" x 96" |
| Frame Depth: | 1" X 4" X 1" |
| Frame Material: | .080" Thick Extruded Aluminum 6063-T6/T52 Alloy |
| Frame Type: | Hat Shaped |
| Blade Type: | Tear Drop Design |
| Blade Material: | .080" Thick Extruded Aluminum 6063-T6/T52 Alloy |
| Blade Action: | Parallel |
| Blade Seals: | Extruded Silicone Rubber Off-Set Leg |
| Jamb Seals: | None |
| Bearings: | Celcon |
| Axles: | ½ Diameter Extruded Aluminum Pin-Lock Positively Locked to Blade, Placed Off Center |
| Linkage: | ⅛" Thick Plated Steel Bracket with Plated Steel Pivot in Celcon Sleeve Bearings On-Blade |
| Counterweights: | Adjustable Range of Opening Pressures Assist or Retard |
| Temperature Limits: | -40°F to 190°F |
| Finish: | Mill |