“We really didn’t know what we needed, but were sure that our security system was terrible and that we needed help. Parker came in and designed a perfect, multi-service security system for us in a remarkably efficient manner.”
Leo
Manhattan, NY
Norton 8000 Series Door Closers - 8501 Closer
All 8000 Series closers comply with ANSI A156.4 Grade 1 Specifications. Series 8301BF and 8501BF door closers are designed to comply with requirements of the American with Disabilities Act (ADA) and ANSI Standard A117.1. Features: Rack & Pinion Operation – Provides a smooth constant control of the door through its full opening and closing cycle. Handing – Nonhanded and can be installed on either right or left hand swing doors. Sweep Speed Control Valve – Allows adjustment of door speed from the door’s full open position down to approximately 10-degrees from the closed position. Latch Speed Control Valve – Allows adjustment of door speed from approximately 10-degrees down to the door’s fully closed position. Tri-Pack – 8301(BF) / 8501(BF) comes with screws, brackets, and soffit plates to allow for regular, top jamb, and parallel arm installations. Adjustable Backcheck Valve – Provides control of the door in the opening cycle, beginning at approximately 75-degrees of door opening.