For CAD dwg and PDF files, scroll down to pattern links in specifications table below.

Specifications for Angle Frame Heavy Duty Aluminum Hatch with Safety Grate System
Pattern	Unobstructed
Number/CAD Link	Clear Opening	Dimensions in Inches		Height	Diagonal
Aluminum	O x O1	A x A1	B x B1	C	D
ECD-10HDAOSG	30 x 48	30 x 66	40 x 69	5 1/2	79 3/4
ECD-11HDAOSG	30 x 54	30 x 72	40 x 75	5 1/2	85
ECD-12HDAOSG	36 x 48	36 x 66	46 x 69	5 1/2	82 15/16
ECD-13HDAOSG	36 x 60	36 x 78	46 x 81	5 1/2	93 1/8
ECD-14HDAOSG	42 x 48	42 x 66	52 x 69	5 1/2	86 3/8
ECD-15HDAOSG	48 x 48	48 x 66	58 x 69	5 1/2	90 1/8
ECD-16HDAOSG	48 x 54	48 x 72	58 x 75	5 1/2	94 13/16
ECD-17HDAOSG	48 x 72	48 x 90	58 x 93	5 1/2	109 5/8
ECD-18HDAOSG	60 x 60	60 x 78	70 x 81	5 1/2	107 1/16
ECD-19HDAOSG	48 x 60	48 x 78	58 x 81	5 1/2	99 5/8
ECD-20HDAOSG	60 x 72	60 x 90	70 x 93	5 1/2	116 3/8

More Information

• H-20 Heavy Duty Aluminum Hatches (PDF)
• Top Mount Style Aluminum Safety Grate System (PDF)
• Pneu-Spring Technology (PDF)
• Top Mount Replacement/Retrofit Hatches (PDF)

Complete list of hatches

• View Images of all Hatch Models »

• Pedestrian Rated 300 PSF, Channel Frame, Weather Tight Access Hatch
  • Model DT-AOSG, Safety Grate »
  • Model DTD-AOSG, Safety Grate (double leaf) »
  • Model CH »
  • Model CHD (double leaf) »
  • Model LDT »
  • Model LDTD (double leaf) »

• Pedestrian Rated 300 PSF, Angle Frame, Non Weather Tight Access Hatch
  • Model LEC-AOSG, Safety Grate »
  • Model LECD-AOSG, Safety Grate (double leaf) »
  • Model LEC »
  • Model LECD (double leaf) »

• Heavy Duty H-20, Channel Frame, Weather Tight Access Hatch
  • Model DT-HD-AOSG, Safety Grate »
  • Model DTD-HD-AOSG, Safety Grate (double leaf) »
  • Model DT-HD »
  • Model DTD-HD (double leaf) »

• Heavy Duty H-20, Angle Frame, Non Weather Tight Access Hatch
  • Model EC-HD-AOSG, Safety Grate »
  • Model ECD-HD-AOSG, Safety Grate (double leaf) »
  • Model EC-HD »
  • Model ECD-HD (double leaf) »

• Hatch Options »