Light Duty Cast Iron Trench Grating


Light Duty Cast Iron Trench Grating
Light duty trench grating and frame provide large free drainage area combined with the versatility of continuous grate sections in overall lengths to suit job conditions. The grates are designed for areas where there is pedestrian traffic only.
The cast iron trench grate is 5/8" (16 mm) thick with 1/2" (13 mm) slots. The frame is steel.
2910 Series features configurations with 12" (305 mm) x 12" (305 mm) grates.
2920 Series features 12" (305 mm) x 24" (610 mm) grates laid in widthwise.
Downloads
Resource Type | Title | Description | File Size | Action | |
|---|---|---|---|---|---|
![]() | ![]() | Light Duty Trench Grating [2910 | 12" x 12" Grate; 2911, 2912, 2913, 2914, 2915, 2916, 2917, 2918, 2919; 2920 | 12" x 24" Grate; 2921, 2922, 2923, 2924, 2925, 2926, 2927, 2928, 2929] | 443 KB | ||
![]() | ![]() | Light Duty Trench Grating [2910 | 12" x 12" Grate; 2911, 2912, 2913, 2914, 2915, 2916, 2917, 2918, 2919; 2920 | 12" x 24" Grate; 2921, 2922, 2923, 2924, 2925, 2926, 2927, 2928, 2929] | 44 KB | ||
![]() | ![]() | MGI Brands Flyer (pdf) | 718 KB | ||
![]() | ![]() | The chart will assist in selecting what base material to specify for trench drain systems. The combination of temperature, chemicals and chemical concentration determines resistance of channel material to the applications. | 155 KB | ||
![]() | ![]() | Light Duty Trench Grating [2910 | 12" x 12" Grate; 2911, 2912, 2913, 2914, 2915, 2916, 2917, 2918, 2919; 2920 | 12" x 24" Grate; 2921, 2922, 2923, 2924, 2925, 2926, 2927, 2928, 2929] | 44 KB | ||
![]() | ![]() | MGI Brands Flyer (pdf) | 718 KB | ||
![]() | ![]() | The chart will assist in selecting what base material to specify for trench drain systems. The combination of temperature, chemicals and chemical concentration determines resistance of channel material to the applications. | 155 KB |
Specifications
| Optional Materials | Ductile Iron Grate - M, Galvanized Cast Iron -G, Nickel Bronze -NB, Polished Bronze -PB, Rough Bronze -RB |
Models
Typical models are shown below

2910 | Single 12" (305 mm) x 12" (305 mm) Square Grate only
2911 | 1 Grate with 12-1/2" (318 mm) x 12-1/2" (318 mm) Frame
2912 | 2 Grates with 12-1/2" (318 mm) x 24-1/2" (622 mm) Frame
2913 | 3 Grates with 12-1/2" (318 mm) x 36-1/2" (927 mm) Frame
2914 | 4 Grates with 12-1/2" (318 mm) x 48-1/2" (1232 mm) Frame
2915 | 5 Grates with 12-1/2" (318 mm) x 60-1/2" (1537 mm) Frame
2916 | 6 Grates with 12-1/2" (318 mm) x 72-1/2" (1842 mm) Frame
2917 | 7 Grates with 12-1/2" (318 mm) x 84-1/2" (2146 mm) Frame
2918 | 8 Grates with 12-1/2" (318 mm) x 96-1/2" (2451 mm) Frame
2919 | 9 Grates with 12-1/2" (318 mm) x 108-1/2" (2456 mm) Frame

2920 | Single 12" (305 mm) x 24" (610 mm) Grate only
2921 | 1 Grate with 24-1/2" (622 mm) x 12-1/2" (318 mm) Frame
2922 | 2 Grates laid out widthwise with 24-1/2" (622 mm) x 24-1/2" (622 mm) Frame
2923 | 3 Grates laid out widthwise with 24-1/2" (622 mm) x 36-1/2" (927 mm) Frame
2924 | 4 Grates laid out widthwise with 24-1/2" (622 mm) x 48-1/2" (1232 mm) Frame
2925 | 5 Grates laid out widthwise with 24-1/2" (622 mm) x 60-1/2" (1537 mm) Frame
2926 | 6 Grates laid out widthwise with 24-1/2" (622 mm) x 72-1/2" (1842 mm) Frame
2927 | 7 Grates laid out widthwise with 24-1/2" (622 mm) x 84-1/2" (2146 mm) Frame
2928 | 8 Grates laid out widthwise with 24-1/2" (622 mm) x 96-1/2" (2451 mm) Frame
2929 | 9 Grates laid out widthwise with 24-1/2" (622 mm) x 108-1/2" (2456 mm) Frame
(if more than 9 grates - specify total number of grates and overall length - using similar pattern)

