HANDING: Non-handed
OPERATION: Rack and pinion design
BODY: Cast Iron
ARMS: Forged steel main arm
PISTON: Hardened steel, 1-1/2” diameter
ADJUSTMENT:
- Adjustable controlled closing
- Separate hydraulic backcheck standard
- Backcheck positioning valve standard
- Separate sweep, latch, backcheck intensity and backcheck positioning valves
ADJUSTMENT VALVES: All Adjustment Valves are STAKED.
FACTORY DEFAULT SPRING SETTING: Size 3
SIZE: Adjustable BF Plus 1 through 6
MOUNTING:
- Mounting hole pattern retrofits LCN ® 4040 (for more comparisons, see cross reference table)
- Tri-packed for regular, top jamb and parallel arm installations
- Includes fasteners for metal and wood doors
- Sex nuts and bolts standard
COVER: Full plastic cover standard (non-handed), optional full metal cover available (handed)
FINISHES: 689 (US28) – Aluminum