OVERVIEW
The 7400 Series door closer is featuring backcheck and adjustable spring sizes thus being the ideal solution in a wide variety of applications, including barrier-free. This Grade 1 hydraulic surface door closer is both flexible and easy to install. The 7400 Series offers a compact design and is available in a variety of sprayed finishes to complement any opening’s decor.
Door closer ANSI/BHMA Grade 1 certified.
- Adjustable spring sizes
- Quick and easy to install
- Compact design
- Adjustable backcheck
- Constant speeds
SPECIFICATION
All closers shall be DORMA 7400Series hydraulic surface applied rack and pinion closers. The closer has two independent valves to separately control sweep and latch closing speeds and provide constant speeds when temperatures change. Standard with adjustable backcheck to provide cushioning effect in opening. All 7400 fullyadjustable spring force door closers to include an integral design to positively stop adjustment of the spring at the minimum and maximum spring force settings.
FEATURES
Modern styling
The 7400 Series closers offer modern styling and versatility while providing safe and reliable door control.
Controlled opening with backcheck feature
The 7400 Series features an adjustable backcheck, which provides cushioning when the door is abusively opened.
Applications
The 7400 Series is designed to provide a highly flexible door control system suitable for use on all hollow metal, aluminum, and wood doors typically used in commercial construction.
Constant speeds
The 7400 Series closer has two independent valves to separately control sweep and latch closing speeds and provide constant speeds when temperatures change.
CERTIFICATION
- ANSI/BHMA A156.4 Grade 1 certified.
- UL and CUL listed.
- Meets UL10C for positive pressure.
- CSFM approved.
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