Sliding Door Operators On Brookfield Industries, Inc.

Leading US Manufacturer of
Heavy Duty Hinges & Door Operators

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.

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Item #	Door Wt ¹	Max Operating Force ²	Travel (max. in one direction)	Rated Linear Speed (max.)	Single/Bi-Parting	Mounting Style	Drive Train	Add To Cart/Request Quote

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.)	Request Quote
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.)	Request Quote
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	Request Quote
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	Request Quote
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)	Request Quote
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	Request Quote
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	Request Quote
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	Request Quote

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Brookfield Industries, Inc. is the original manufacturer of specialty products for the heavy commercial/industrial door market. We specialize in heavy duty automatic door operating systems and precision engineered heavy duty high capacity hinges. They are used for cancer treatment, industrial radiation, nuclear, petrochemical, security, acoustical, EMI/RF, and heavy architectural applications.

Made In USA

Brookfield Industries, Inc.
99 West Hillside Ave.
Thomaston, CT 06787
P: 860-283-6211

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