Material: Aluminum door & frame ; Type 316 Stainless steel hinges & hardware
Door: 1/4" aluminum diamond plate reinforced for live load of 1560 pounds/per sq. ft. (capable of holding up to 25 ft. head of water)
Frame: 3/8" aluminum with 3/16” x 1 1/2” strap anchors welded around the frame for casting into concrete
Hinge: Type 316 stainless steel butt hinges with tamper proof stainless steel bolts and nuts
Gasket: 9/16” O.D. x 1/8” I.D. EPDM gasket
Opening Device: Automatic hold open arm with red vinyl grip allows door to open to 90 degrees, locking door in open position and allowing for easy control when closing door panel. Stainless steel compression springs provide lift assistance.
Latch: Type 316 stainless steel floodtight cam locks and flush floodtight handle
Finish: Mill finish with bituminous coating on