API 650 Shell Manway Gasket 30"
Nominal Shell Manhole Size: 30"
Standard Dimensions: 38-3/4" OD x 30" ID - (42) 7/8" BH on 36-1/4" BC
Nominal Shell Manhole Size: 30"
Standard Dimensions: 38-3/4" OD x 30" ID - (42) 7/8" BH on 36-1/4" BC