Plain steel and cast iron pipe roller chair for 4 in. pipe. Recommended bolt size 1/2 13 x 1 1/2 in. Design load 700 lb.
For supporting pipe where movement may occur due to thermal expansion. Used when ceiling suspension is impractical. Conforms to Federal Spec. WW-H-171E and A-A-1192A, Type 45 and Manufacturers Standardization Society ANSI/MSS SP-69 and SP-58, Type 44.