Manhole Frames & Covers : Manhole Adjusting Rings

Neenah Foundry offers a variety of cast iron manhole adjusting rings. Select from the list below to find the manhole adjusting rings that fit your needs.

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Catalog Number AA-Ring Opening BB-Seat Dimension F-Ring Height Rise Shape
0000-1081 19 3/8 x 19 3/8 1 1/4 3 1/4 2 Rectangular
3278-0015 22 1/4 x 16 15/16 1 3/4 4 1/8 2 1/2 Rectangular
3287-7250 22 3/4 x 45 3/8 2 4 7/16 2 1/2 Rectangular
1979-0050 36 1/2 1 1/2 4 1/2 2 15/16 Round
1979-0093 38 1 1/2 3 1/2 2 Round
1979-0136 38 1/4 1 1/2 3 1/2 2 Round
1742-7200 39 1 3 2 Round
1979-0252 40 1/16 3 4 1/2 3 3/4 Round
1978-0022 8-1/8 x 8-1/8 7/8 2 7/8 2 Square
1979-0249 8 1/8 x 8 1/8 7/8 2 1/8 1 1/4 Square
0000-1090 13 3/8 x 19 3/8 1 1/4 3 1/4 2 Rectangular
3278-7225 16 3/4 x 22 1/4 1 3/4 4 2 1/4 Rectangular
0000-1029 19 3/8 x 20 3/8 1 1/4 3 1/4 2 Rectangular
1743-7150 32 1 3/4 3 1/4 1 1/2 Round
1979-0053 32 1 3/8 3 3/8 1 15/16 Round
1979-0057 33 1/2 1 1/2 3 1/2 1 15/16 Round
1979-0049 33 1/2 1 1/2 4 1/2 2 15/16 Round
1979-0092 35 1/2 2 4 1/2 2 1/2 Round
1979-0268 36 1 1/4 2 1/4 1 Round
1979-0269 36 1 1/4 2 3/4 1 1/2 Round
1979-0056 36 1/2 1 1/2 3 1/2 1 15/16 Round
1979-0043 29 1 3/8 3 13/16 2 1/2 Round
1979-0015 29 1 3/8 4 3/8 2 15/16 Round
6052-7218 29 3/8 1 3/4 4 2 3/16 Round
6052-7293 29 3/8 1 3/4 4 3/4 2 15/16 Round
1979-0203 30 3/8 1 1/2 4 1/2 3 Round
1743-7200 31 15/16 1 3/4 3 3/4 2 Round
1743-7300 31 15/16 1 3/4 4 3/4 3 Round
1979-0052 32 1 3/8 4 3/8 2 15/16 Round
1979-0054 ***** 29 1 3/8 3 3/8 1 15/16 Round
1979-0176 26 1 1/2 3 1/2 1 15/16 Round
1642-7150 26 1/8 1 1/2 3 1 1/2 Round
1642-7200 26 1/4 1 1/2 3 1/2 2 Round
1642-7250 26 1/4 1 1/2 4 2 1/2 Round
1642-7300 26 1/4 1 1/2 4 1/2 3 Round
1979-0062 27 1 3/8 3 3/8 2 Round
1979-0263 28 1 2 1/2 1 7/16 Round
1979-0251 28 1 4 3 Round
1979-7190 28 1/4 1 3/8 3 3/8 1 7/8 Round
1753-7200 29 1 3/8 3 3/8 1 15/16 Round
1979-0091 **** 28 1/4 1 3 2 Round
1979-0074 25 7/8 7/8 3 3/8 2 1/2 Round
1979-0076 25 7/8 7/8 4 3/8 3 1/2 Round
1979-7200 25 15/16 1 3 2 Round
4353-0019 26 7/8 2 3/8 1 1/2 Round
4353-0017 26 7/8 2 7/8 2 Round
4353-0013 26 7/8 3 7/8 3 Round
1979-0278 26 1 2 1 Round
1979-0279 26 1 2 1/2 1 3/8 Round
1979-0280 26 1 3 1 7/8 Round
1979-0055 26 1 3/8 3 3/8 1 15/16 Round
1979-0102 26 1 3/8 3 7/8 2 1/2 Round
1979-0051 26 1 3/8 4 3/8 2 15/16 Round
1979-0272 25 1 3 1/2 2 Round
1979-0058 25 1 1/2 3 1/2 2 Round
1979-0134 25 1 3/4 4 1/4 2 1/2 Round
1979-0144 25 1 3/4 4 3/4 3 Round
1979-0271 * 25 5/16 1 1/2 3 1 1/2 Round
1979-0266 25 1/2 1 1/4 3 1/2 2 Round
1979-0158 25 1/2 1 1/4 3 3/4 2 3/8 Round
1979-0037 25 1/2 1 1/2 3 1/2 2 Round
1979-0118 * 25 1/2 1 1/2 3 3/4 2 Round
1979-0117 * 25 1/2 1 1/2 4 3/4 3 Round
1979-0137 25 1/2 1 3/4 4 1/4 2 1/2 Round
1979-0124 25 1/2 1 3/4 4 3/4 3 Round
1979-0143 24 1/4 1 3 2 Round
1979-0033 24 1/2 1 1/2 3 1/2 2 Round
1979-0040 24 1/2 1 3/4 4 1/4 2 1/2 Round
1979-0041 24 1/2 1 3/4 4 3/4 3 Round
1767-7100 25 1 2 1 Round
1979-0160 25 1 2 1/2 1 1/2 Round
1979-0171 25 1 3 2 Round
1979-0046 24 1 3/4 4 1/4 2 1/2 Round
1979-0044 24 1 3/4 4 3/4 3 Round
1979-0145 24 3/16 1 1/8 2 9/16 1 7/16 Round
1979-0254 24 1 4 1/2 2 Round
1979-0012 24 1 1/2 3 1/2 2 Round
1979-0042 * 24 1 1/2 3 1/2 2 Round
0000-0545 24 1 3 1/16 2 Round
0000-1309 24 1 3 9/16 2 1/2 Round
0000-0814 24 1 4 1/16 3 Round
1979-0273 24 1 4 1/4 2 1/2 Round
1979-0026 23 1/2 1 1/2 4 1/2 3 Round
1979-0275 23 3/4 1 2 5/8 1 5/8 Round
1979-0150 23 3/4 1 3 2 Round
1979-0265 24 1 2 1/2 1 7/16 Round
1979-0253 24 1 2 1/2 1 1/2 Round
0000-0034 24 1 2 9/16 1 1/2 Round
1979-0065 24 1 2 5/8 1 5/8 Round
1979-0264 24 1 3 1 15/16 Round
1979-0106 23 1/4 1 1/2 4 1/2 3 Round
1979-0128 * 23 3/8 1 1/2 4 2 1/2 Round
1979-0181 * 23 3/8 1 3/4 3 3/4 2 Round
1979-0006 * 23 7/16 1 1/2 3 1/2 2 Round
1979-0180 23 1/2 1 2 5/8 1 1/2 Round
1797-7300 23 1/2 1 4 3 Round
1979-0024 23 1/2 1 1/2 3 1/2 2 Round
1979-0025 23 1/2 1 1/2 4 2 1/2 Round
1713-7250 23 1 3/4 4 2 1/2 Round
1713-7300 23 1 3/4 4 3/4 2 15/16 Round
1715-7176 23 1/16 1 3/4 3 1/2 1 3/4 Round
1979-0139 * 23 1/8 1 3/4 4 1/4 2 1/2 Round
1979-0146 * 23 1/8 1 3/4 4 3/4 3 Round
1979-0023 * 23 7/32 1 1/2 4 1/2 3 Round
1550-7150 23 1/4 1 1/2 3 1 1/2 Round
1550-7151 * 23 1/4 1 1/2 3 1 1/2 Round
1550-7200 23 1/4 1 1/2 3 1/2 2 Round
1550-7201 * 23 1/4 1 1/2 3 1/2 2 Round
1979-0010 23 1/4 1 1/2 4 2 1/2 Round
1979-0004 23 1 1/2 4 2 1/2 Round
1979-0005 23 1 1/2 4 1/2 3 Round
1713-7101 23 1 3/4 2 3/4 1 Round
1713-7150 23 1 3/4 3 1/4 1 1/2 Round
1713-7200 23 1 3/4 3 3/4 2 Round
1979-0177 23 1 3/4 4 2 3/16 Round
1979-0047 22 3/4 1 1/2 3 1/2 2 Round
1979-0131 22 3/4 1 1/2 4 2 1/2 Round
1979-0019 22 3/4 1 1/2 4 1/2 3 Round
1580-7150 * 22 3/4 1 3/4 3 1/4 1 1/2 Round
1979-0129 * 22 3/4 1 3/4 3 3/4 2 Round
1979-0170 * 22 3/4 1 3/4 4 3/4 3 Round
2424-7200 22 3/4 2 5/8 4 5/8 2 Round
1661-7100 22 7/8 1 1/2 2 1/2 1 Round
1661-7158 *** 22 7/8 1 1/2 3 1/8 1 9/16 Round
1661-7200 23 1 1/2 3 1/2 2 Round
1979-0035 * 22 1/4 1 1/2 3 1/2 2 Round
1500-7250 22 1/4 1 1/2 4 2 1/2 Round
1979-0036 * 22 1/4 1 1/2 4 2 1/2 Round
1500-7300 22 1/4 1 1/2 4 1/2 3 Round
1979-0119 * 22 1/4 1 1/2 4 1/2 3 Round
1979-0270 * 22 5/16 1 1/2 3 1 1/2 Round
1979-0258 22 3/8 1 3 2 Round
1762-7150 22 1/2 1 2 1/2 1 1/2 Round
1979-0215 22 1/2 1 5 4 Round
1979-0034 22 1/2 1 1/2 3 1/2 2 Round
1979-0116 22 1/2 1 1/2 4 1/2 3 Round
1913-7150 7 5/8 2 3 3/8 1 1/2 Round
1979-0245 9 5/16 5/8 2 1/8 1 1/2 Round
1979-0246 9 5/16 5/8 2 5/8 2 Round
1979-0166 18 3/8 1 3 1 15/16 Round
1979-0167 18 3/8 1 4 2 15/16 Round
1979-0008 21 1/2 1 3 2 Round
1979-0115 21 1/2 1 3 1/2 2 1/2 Round
1979-0022 21 1/2 1 4 3 Round
1915-7200 ** 21 3/4 1 2 31/32 2 Round
1692-7200 21 7/8 1 1/4 3 1/8 2 Round
1979-0223 22 1/8 1 1/8 3 1/8 2 Round
1500-7200 22 1/4 1 1/2 3 1/2 2 Round
1913-7100 7 5/8 2 2 7/8 1 Round
All dimensions are listed in inches unless otherwise noted.
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