Dual valve, closing and latching speed controlled by two separate regulating valves.
Universal application: Standard, top-jamb, parallel arm installations.
Standard packing does not include parallel arm bracket (provided upon request).
Reinforced type adjustable tube arm.
Rack and pinion operation contained in a high tensile precision cast aluminum housing.
High quality hydraulic fluid for high lubricity and constant lubrication.
Optional back check (503bc, 504bc, 505bc), controlled by separate regulating valve.
Finish selection: Silver(alum), bronze(duro), gold, and other finishes available.
Batul Hardware
