Drainage Trench Cover | Steel Grating Trench cover

Drainage Trench Cover| Steel Grating Trench cover

trench gratingDrainage Grating Cover by HeslyGrating allow the user to combine any of the gratings illustrated below with any of the embed frames in the Embed Frames section of this website. Gratings are available in Standard series for pedestrian loads or Heavy Duty series for vehicular traffic. Unlike cast iron or molded trench products, this flexible system allows the user to specify the exact clear opening ("S" dimension) desired. Because Grating Pacific offers five distinct embed frame profiles, the user can select a frame to meet the exact edge condition desired. Bolting the grates to the frames is optional and must be specified. All gratings are provided with plain surface (the optional serrated surface is also available when specified) and open ends are trench banded to maximize drain capacity. Unless otherwise noted, all trench frames and grating are hot dip galvanized after fabrication in accordance with ASTM Specification A-123. Our most popular systems are listed in the table below, however, this listing in no way completely defines this comprehensive product line.

Th-12-EZ (B) Trench Grating Systems


Standard DutyHeavy Duty

steel drainage grates

Product Code Class AS3996 Weight kg/Im
Clear Opening

B
Grate Size

C
Frame Overall


Grate Depth

Frame Depth
MTG10A A 15 105 997 x 168 185 35 40
MTG10B B 11 115 995 x 149 165 20 25
MTG15A A 16 155 997 x 219 235 35 40
MTG15B B 115 165 995 x 209 225 25 30
MTG15D D 26 165 995 x 239 255 40 45
MTG22A A 20 232 997 x 296 312 35 40
MTG22B B 19 240 995 x 284 300 25 30
MTG22C C 29 240 995 x 314 330 40 45
MTG22D D 33 240 995 x 324 340 45 50
MTG30B B 27 315 995 x 379 395 32 40
MTG30C C 38 315 995 x 399 415 45 50
MTG30D D 57 315 995 x 393 415 65 75
MTG45B B 50 465 995 x 549 565 45 50
MTG45C C 70 465 995 x 543 565 65 75
MTG45D D 94 465 996 x 559 575 75 80
MTG60B B 67 615 995 x 709 725 50 55
MTG60C C 88 615 995 x 693 715 65 75
MTG60D D 113 615 995 x 709 725 75 80

Note: The grate size standards will vary between states. Contact your local branch for standard sizes. WA = 1205, NZ = 905, All other states = 995.

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Trench Grating Cover System

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