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Generally used with Fig. 171 single pipe roll as shown in photo. Recommended for installations where formal load and movement calculations are not required, or calculated movement does not exceed 1/4".
178
Unit of Measure
1 

Item #

CAD

Finish

Spring No.

For Rod Size

Max Rod Size

Weight

Quantity
3/8_No.1-178-Plain N/A N/A Plain retainers with painted springs N/A 1 N/A 3/8 in N/A 3/4 in N/A 4.5 lb
1/2_No.2-178-Plain N/A N/A Plain retainers with painted springs N/A 2 N/A 1/2 in N/A 3/4 in N/A 14 lb
7/8_No.3-178-Plain N/A N/A Plain retainers with painted springs N/A 3 N/A 7/8 in N/A 1 1/2 in N/A 22 lb
Unit of Measure
1