Brookfield Industries, Inc.

Mechanical Power Transmission

In-Ground Door Operator supports stack pressure monitoring.

Designed for heavy-duty applications,Â- NB-500-LE-OPCON in-floor, springless, power open/power close door operator is rated for doors weighing up to 2,500 lb or operating torque of 1,000 lb-in. UL50 TYPE 4, In-Floor Underground Conversion is also UL 325 Listed. Product provides flexibility for heavier doors to resist stack pressure or wind loads, yet remain compliant with ANSI 156.19 when...

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Mechanical Power Transmission

In-Ground Door Operator supports stack pressure monitoring.

Designed for heavy-duty applications,Â- NB-500-LE-OPCON in-floor, springless, power open/power close door operator is rated for doors weighing up to 2,500 lb or operating torque of 1,000 lb-in. UL50 TYPE 4, In-Floor Underground Conversion is also UL 325 Listed. Product provides flexibility for heavier doors to resist stack pressure or wind loads, yet remain compliant with ANSI 156.19 when...

Read More »

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