503
Replacement by Factory
5 Years
Aluminum Alloy
Outside-mounted
Standard and Parallel
Stop, Fixed, Delay, Adjustable, Buffered
Americian and European
Without Remote Control
950mm
45~65Kg
Market, Fire Exits, Home, Hotel, Office, Hospital, School
by Customer Request
Optional
180°
Optional (Built-in Hold Open)
-30ºC to 60ºC
Can Be Used for Left and Right-Hand Doors
Silver, Gold,Brown 8014, White 9016, Bronze 8080,
Oubao or OEM or ODM
by Customer Request
Aluminum alloy
China
83026000
Product Description
Feature:
(1)dual valve, closting and latching speed controlled by two separate requlating valves.
(2)universal applicatin: Standard, top-jamb, parallel arm installations.
(3)standard packing no include parallel arm bracket. The bracket be provided upon request.
(4)reionforced type adjustable tube arm.
(5)rack and pinion operation contained in a high tensile precision cast aluminum housing for the highest quality.
(6)high quality hydraulic fluid for high lubricity and constant lubrication.
(7)optional back check (503bc, 504bc, 505bc), controlled by separate regulating value.
(8)finish selection: Silver(alum), bronze(duro), gold. Any other finishes is available upon request.












(1)dual valve, closting and latching speed controlled by two separate requlating valves.
(2)universal applicatin: Standard, top-jamb, parallel arm installations.
(3)standard packing no include parallel arm bracket. The bracket be provided upon request.
(4)reionforced type adjustable tube arm.
(5)rack and pinion operation contained in a high tensile precision cast aluminum housing for the highest quality.
(6)high quality hydraulic fluid for high lubricity and constant lubrication.
(7)optional back check (503bc, 504bc, 505bc), controlled by separate regulating value.
(8)finish selection: Silver(alum), bronze(duro), gold. Any other finishes is available upon request.











