About this item
The Norton Rixson 1603BC and 1604BC are sized commercial door closers from the Norton Rixson 1600/1601 Series, the heavy-duty platform Norton Rixson built for high-cycle commercial openings: aluminum storefronts, hollow metal entry doors, school and university corridors, healthcare facilities, and office building lobby doors. Sized spring power means the closer ships are pre-set to a specific door weight and width and is not field-adjustable, which gives a more consistent close than adjustable closers on doors that always see the same conditions. Non-handed body fits both right-hand and left-hand doors. Tri-Style packaging includes regular arm, top jamb, and parallel arm mounting hardware in one box, so the same closure covers all three install scenarios without ordering separate parts. Available in five finishes (689 silver aluminum, 690 dark bronze, 691 light bronze, 696 satin brass, 693 black) and two sizes (1603BC for size 3 doors, 1604BC for size 4 doors). Hold-open arm option available (1603BCH, 1604BCH). Backed by a 15-year limited warranty. SKU 1603BC. In stock.
1603BC vs 1604BC: Which Size
The number after "160" indicates ANSI/BHMA spring power size. The 1603BC is a size 3 closer for interior doors approximately 36 inches wide weighing up to about 80 lbs, typical for office, classroom, and standard interior commercial doors. The 1604BC is a size 4 closer for doors approximately 42 inches wide weighing up to about 100 lbs, typical for exterior storefronts, lobby entries, and heavier hollow metal doors. Both ship with the same arm and bracket hardware; only the spring power differs. If the door is borderline or sees variable wind load, specify the 1604BC. If the door is interior and the schedule is firm, the 1603BC is the more efficient pick.
1603BC vs 1601: Sized vs Multi-Sized
Norton Rixson sells two versions of the 1600 platform. The 1601 is the multi-sized closer with a field-adjustable spring (sizes 1 through 6 covered by one closer body) typical for door schedules where the contractor wants flexibility on site. The 1603BC and 1604BC are sized closers (spring is fixed, not adjustable) which deliver more consistent close performance across the building's life cycle and ship at lower price points than the multi-sized 1601. If you need flexibility, specify the Norton Rixson 1601 Multi-Sized Door Closer. If you need consistent performance and known door spec, the 1603BC or 1604BC is the right call.
Specifications
Function: rack and pinion hydraulic door closer. Body: special aluminum alloy housing. Piston: 1-3/8" (35 mm) diameter. Pinion journals: 5/8" (16 mm) diameter. Projection: 2-7/8" (73 mm). Door swing: up to 180 degrees on standard arm applications, conditions permitting. Spring power: sized (size 3 on 1603BC, size 4 on 1604BC), not field-adjustable. Adjustment valves: separate and independent latch speed, sweep speed, and backcheck intensity. Sweep speed: adjustable from full open down to approximately 10 degrees from closed. Latch speed: adjustable from approximately 10 degrees down to fully closed. Backcheck: engages at approximately 75 degrees, slows and cushions the door when forcibly opened past pre-adjusted limits. Handing: non-handed. Arms included: regular arm with parallel arm bracket, top jamb mounting hardware, soffit plate. Hold-open option: 1603BCH or 1604BCH (specify at order). Compliance: ANSI/BHMA A156.4 Grade 1, UL Listed, UL 10C compliant for positive pressure. Warranty: 15-year limited.
Finishes
Five painted finishes: 689 Silver Aluminum, 690 Dark Bronze, 691 Light Bronze, 696 Satin Brass, 693 Black. Order syntax follows the 1603BC/1604BC + finish code pattern (1603BC689, 1604BC690, 1603BC691, etc.). Match the finish to the door schedule.
Where to Specify
The 1603BC and 1604BC are right for aluminum storefront doors, hollow metal commercial entries, school and university corridor and classroom doors, healthcare facility patient room and corridor doors, office building lobby and stairwell doors, and any commercial opening where ANSI Grade 1 hydraulic close performance is required at a value-engineered price point. Tri-Style packaging means one SKU covers regular, top jamb, and parallel arm mounting which simplifies the door schedule.
Recommended Accessories for the 1600 Series
Most 1600 Series installs need at least one of these: the Norton Rixson 1688 Drop Plate and 1687 Drop Plate for narrow top rail doors that don't have enough flat space to mount the closer body, the 1600P Cover for finished aesthetic, the 1618A Soffit Plate for parallel arm mounts, the 1628H Soffit Plate for parallel hold-open arms, and the SN-134 Sex-Nut Sleeve-Nut for through-bolt installations.
Where This Sits in the Norton Rixson Catalog
The 1603BC and 1604BC live in the Norton Rixson 1600/1601 Series under Norton Rixson Door Closers within Standard Door Closers and the broader Door Closers category.
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