Heavy Duty Cast Iron Trench Grating
Heavy duty trench drain grating and frame provide large free drainage area combined with the versatility of continuous grate sections in overall lengths to suit job conditions.
Grates are designed for areas where heavy trucks and traffic are encountered. Grates laid in wide dimensions for medium use only.
The grate is duco cast iron 1-1/2" (38 mm) thick with 15/16" (24 mm) slots. The frame is stainless steel steel.
2970 Series features 12" (305 mm) x 24" (610 mm) grates laid in lengthwise.
2980 Series features 12" (305 mm) x 24" (610 mm) grates laid in widthwise (medium duty)
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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

2970 | Single 12" (305 mm) x 24" (610 mm) Grate only
2971 | 1 Grate with 24-1/2" (622 mm) x 12-1/2" (318 mm) Frame
2972 | 2 Grates laid out lengthwise with 12-1/2" (318 mm) x 48-1/2" (622 mm) Frame
2973 | 3 Grates laid out lengthwise with 12-1/2" (318 mm) x 72-1/2" (1232 mm) Frame
2974 | 4 Grates laid out lengthwise with 12-1/2" (318 mm) x 96-1/2" (1842 mm) Frame
2975 | 5 Grates laid out lengthwise with 12-1/2" (318 mm) x 120-1/2" (3061 mm) Frame
2976 | 6 Grates laid out lengthwise with 12-1/2" (318 mm) x 144-1/2" (3670 mm) Frame
2977 | 7 Grates laid out lengthwise with 12-1/2" (318 mm) x 168-1/2" (4280 mm) Frame
2978 | 8 Grates laid out lengthwise with 12-1/2" (622 mm) x 192-1/2" (4890 mm) Frame
2979 | 9 Grates laid out lengthwise with 12-1/2" (622 mm) x 216-1/2" (5499 mm) Frame

2970 | Single 12" (305 mm) x 24" (610 mm) Grate only
2971 | 1 Grate with 24-1/2" (622 mm) x 12-1/2" (318 mm) Frame
2982 | 2 Grates laid out widthwise with 24-1/2" (622 mm) x 24-1/2" (622 mm) Frame
2983 | 3 Grates laid out widthwise with 24-1/2" (622 mm) x 36-1/2" (927 mm) Frame
2984 | 4 Grates laid out widthwise with 24-1/2" (622 mm) x 48-1/2" (1232 mm) Frame
2985 | 5 Grates laid out widthwise with 24-1/2" (622 mm) x 60-1/2" (1537 mm) Frame
2986 | 6 Grates laid out widthwise with 24-1/2" (622 mm) x 72-1/2" (1842 mm) Frame
2987 | 7 Grates laid out widthwise with 24-1/2" (622 mm) x 84-1/2" (2146 mm) Frame
2988 | 8 Grates laid out widthwise with 24-1/2" (622 mm) x 96-1/2" (2451 mm) Frame
2989 | 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)




