For CAD dwg and PDF files, scroll down to pattern links in 4 specification tables below.

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C EC-1HD 24 x 24 33 x 27 42 5/8 EC-4HD 30 x 30 39 x 33 51 1/16

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C EC-2HD 24 x 30 33 x 33 46 11/16 EC-3HD 24 x 36 33 x 39 51 1/16 EC-5HD 30 x 36 39 x 39 55 1/8 EC-6HD 30 x 48 39 x 51 64 3/16

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C EC-8HD 36 x 48 45 x 51 68

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C EC-7HD 36 x 36 45 x 39 59 9/16 EC-9HD 42 x 42 51 x 45 68

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 »