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The 300 PSF Steel Drainage Door has an engineered design with lift assistance for smooth, effortless one-hand action regardless of size. It features an automated hold-open arm that keeps the lid open for safe egress. The utilization of corrosion-resistant materials provides many years of trouble-free, dependable operation. It also includes a heavy-duty design and a robust locking mechanism to assist in preventing unwanted entry. This type is available in a variety of standard and custom sizes to meet any need.

Here are the other features of the product:

Material: Cover and frame are 1/4" (6 mm) steel.

Cover: diamond-pattern tread plate reinforced for H-20 wheel loading. It has a design suited for installation in off-street locations with no concern for high density, fast-moving traffic. Structural calculations are available upon request.

Frame: Formed channel frame with whole anchor angle welded around the perimeter. A 1-1/2" (38mm) drain coupling is welded under the structure to connect the pipe to a dry well or disposal system.

Hinges: Heavy forged brass hinges with 3/8" (9 mm) type 316 stainless steel hinge pins.

Latch: Type 316 stainless steel slam lock with fixed interior handle and removable exterior turn/lift handle. The latch release has a flush, gasketed, removable screw plug protection.

Lift Assistance: Compression spring operators enclosed in telescopic tubes. Automatic hold-open arm with grip handle release.
Finish: Alkyd base red oxide primer

Hardware: Engineered composite compression spring tubes and steel compression springs packed in grease. Slam lock and all fasteners are type 316 stainless steel. All other hardware is zinc plated/chromate sealed.

Access doors and panels have an excellent array of high-quality products from trusted manufacturers. You can certainly select the correct type of product for your next endeavors by calling 1-800-609-2917. Their excellent customer service representatives can help you with your purchase or additional inquiries.