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Trench Drain Grates – Cast Iron

We have an extensive catalog of over 500 cast iron trench drain grate sizes. Cast Iron Grates can be furnished in gray iron or ductile iron. Cast iron grates can also be furnished with ADA and heel proof finishes, in decorative designs or with bolts for added security. Below you can find a size chart of common sizes. For other sizes, give us a call at 646-227-0910 or email us at [email protected] for the fastest turn around times in the industry.

Product TypeGrate Width “A”Edge Thickness “B”Trench Width “C”Open Area Square InchesPercentLength
S6161” , 1 ¼” , 1 ½ , 1 ¾” , 2”624” , 36”
S8181” , 1 ¼” , 1 ½ , 1 ¾” , 2”67851%24” , 36”
S101101” , 1 ¼” , 1 ½ , 1 ¾” , 2”89147%24” , 36”
S121121” , 1 ¼” , 1 ½ , 1 ¾” , 2”1011749%24” , 36”
S141141” , 1 ¼” , 1 ½ , 1 ¾” , 2”1214350%24” , 36”
S161161” , 1 ¼” , 1 ½ , 1 ¾” , 2”1418251%24” , 36”
S171171” , 1 ¼” , 1 ½ , 1 ¾” , 2”1518251%24” , 36”
S181181” , 1 ¼” , 1 ½ , 1 ¾” , 2”1622151%24” , 36”
S191191” , 1 ¼” , 1 ½ , 1 ¾” , 2”1724” , 36”
S201201” , 1 ¼” , 1 ½ , 1 ¾” , 2”1822151%24” , 36”
S231231” , 1 ¼” , 1 ½ , 1 ¾” , 2”2126052%24” , 36”
S261261” , 1 ¼” , 1 ½ , 1 ¾” , 2”2424843%24” , 36”
S301301” , 1 ¼” , 1 ½ , 1 ¾” , 2”2728244%24” , 36”
S331331” , 1 ¼” , 1 ½ , 1 ¾” , 2”3031744%24” , 36”
S361361” , 1 ¼” , 1 ½ , 1 ¾” , 2”3335144%24” , 36”
S391391” , 1 ¼” , 1 ½ , 1 ¾” , 2”3637744%24” , 36”
S451451” , 1 ¼” , 1 ½ , 1 ¾” , 2”4244144%24” , 36”
S511511” , 1 ¼” , 1 ½ , 1 ¾” , 2”4851044%24” , 36”