Brookfield Industries, Inc.
Brookfield Industries, Inc.
99 West Hillside Ave.
Thomaston, CT 06787
Phone: 860-283-6211
Email: info@bfimfg.com
Website: bfimfg.com
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Single and bi-parting door operating systems for commercial/industrial doors that weigh 500 lbs to doors weighing in excess of 100,000 lbs**!
**Providing Maximum Horizontal Operating Force and door speed has not been exceeded.
Slider1
NB-4100
Unit of Measure
1 

Item #

Door Wt 1

Max Operating Force 2

Travel (max. in one direction)

Rated Linear Speed (max.)

Single/Bi-Parting

Mounting Style

Drive Train

NB-4000 N/A 30000 lbs. N/A 700 lbs. N/A 60 in. N/A 4.5 in./sec. N/A Single Only N/A Top or Front N/A Ball Screw (1.0" dia.)
NB-4000-XXX N/A 100000 lbs. N/A 1400 lbs. N/A 144 in. N/A 3.5 in./sec. N/A Single Only N/A Top or Front N/A Ball Screw (1.5" dia.)
NB-4100 3 N/A 6000 lbs. N/A 300 lbs. N/A Unlimited in. N/A 13 in./sec. N/A Both N/A Front N/A Timing Belt
NB-4125 3 N/A 12000 lbs. N/A 500 lbs. N/A Unlimited in. N/A 16 in./sec. N/A Both N/A Front N/A Timing Belt
NB-4120-1 N/A 70000 lbs. N/A 1400 lbs. N/A Unlimited in. N/A 6 in./sec. N/A Bi-Parting ONLY N/A Front N/A Timing Belt (double belt)
NB-4120-DC N/A 35000 lbs. N/A 700 lbs. N/A Unlimited in. N/A 6 in./sec. N/A Both N/A Front N/A Timing Belt
NB-4150 N/A >100000 lbs. N/A 1800 lbs. N/A Unlimited in. N/A 8.5 in./sec. N/A Both N/A Top N/A Timing Belt
NB-4155 N/A 30000 4 lbs. N/A 750 4 lbs. N/A Unlimited in. N/A 18 4 in./sec. N/A Both N/A Top N/A Timing Belt
Unit of Measure
1