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Heavy Duty Under Floor Door OperatorsMacwood underfloor low energy ‘slow-open’ automatic/ manual door operators are ideal for use by everyone, especially people with disabilities without compromising building aesthetics, as the door operator is concealed. |
This is similar to the standard UFSO operator except the heavy duty unit gives greater control of the door through independent closing and latching speed adjustment and a fully adjustable hydraulic back check.
Typical UFSOH28 Section
Unit shown in section with ribbed aluminium threshold and typical bottom rail and a Dorma style bottom pivot.
Operator dimensions:
Depth: 256mm
Width: 230mm
Length: To suit opening (min 850mm for single doors, min 1700mm for doubles. Add 150mm for PSB locking to each).
UFSOH28 with side load or rear loading bottom strap option
Unit shown in section with ribbed aluminium threshold and a larger door section with the 40mm x 40mm bottom strap.
Door size and weights:
Max door weight: 454Kg
Max door size: Dependant on door weight & location.
Important Note: When considering the use of large or heavy doors, consideration must be given to wind loading, door orientation and opening direction (inward or outward) and possible misuse. The UFSO H28 has a maximum closing torque of 50Nm.