These economical quality access doors meet SMACNA requirements for systems up to 2" w.g. (500 Pa) and provide quick, simple installation wherever duct access is required; available in 20 sizes to meet all access requirements. Design features include a rugged die-formed 22 ga. (0.85) frame and double skin door panels for extra strength, camlock operation for positive seal and easy opening and notched knock-over tabs for a clean and easy installation.

The Nailor 0800 Series Flat Oval duct access doors are engineered to provide a premium quality, ultra-low leakage door with optimum ergonomics in mind. The unique oval shape was designed after careful study of the needs of site engineering and maintenance personnel. Each door allows a different degree of access, enabling the most appropriate unit to be specified, depending on duct size and likely maintenance requirements. The 0800 Series is available in two frame styles for use with steel duct: a double flange screw hole mounting type (M1) or a knock-over tab type (M2). Both styles come with a simple installation cut-out template which makes the oval shape openings extra easy to cut.

Nailor Model 0800-5 Access Door was designed for use in higher pressure applications, yet it is suitable for use in medium and low pressure applications where the security of a positive pressure type access door is desired. The design of the 0800-5 is such that as positive static pressure in the duct increases, the force exerted on the door compresses the seal, eliminating any leakage possibilities. The ultra-low leakage design features include rugged die-formed construction, safety handles for assured opening and closing, and wing nut fasteners for secure attachment and alignment.

Models 0840-6, 0850-2L/R, and 0855-2L/R ultra-low leakage plenum access door provides easy access to larger plenums and equipment housings and is suitable for use in high, medium or low pressure applications. Design features include positive seal gasketing and insulation which provide assured low-leakage performance. The die-formed frame, hinged door and die-cast closure handles provide extra strength and maximum operational convenience. Thermal break 0850 and 0855 Series models available.

Nailor Model 0890 is an economical round duct access door suitable for use in low pressure applications. A durable hinge permits the heavy duty 16 ga. (1.6) door to swing open fully, allowing unobstructed access to the duct, while the zinc plated strikes and catches and polyurethane foam gasketing provide a tight, positive seal when closed. Model 0895 turret style access doors provide heavy duty construction with easy opening, suitable for use in medium and high pressure round duct systems. Features include an all-welded turret box and saddle formed to duct radius, and a high-pressure 0800 Series access door that is caulked and fastened to turret. Zinc plated progressive camlocks and bulb type door gasket provide a secure, tight seal.

Nailor Model 0900-1 fire-rated access door is for use whenever it is necessary to provide service access to utilities located within fire separations such as corridor walls, stairwells and ceilings. The 2" (51) thick insulation, which acts as a heat barrier, is also ideal for reducing sound transmission through access opening. The flush key operated latch provides convenient and secure opening and closing. Model 0900-2 is a multi-purpose access door designed to provide convenient access to utilities contained within walls or ceilings. This versatile access door installs flush in drywall, masonry block or tile, and plaster walls and ceilings with a clean unobtrusive finish. Both models are offered in an array of standard sizes, with special sizes available upon request.