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top-hat rolling diaphragm, 1.50 in bore (Ø38.10) × 1.31 in piston (Ø33.27) × 1.50 in high

top-hat rolling diaphragm, 1.50 in bore (Ø38.10) × 1.31 in piston (Ø33.27) × 1.50 in high: flat flange Ø63.5 × 0.51, sidewall 0.43, Ø6 centre hole and 3 × Ø3.4 on Ø18 in the head; drawn installed in the 2 in power head at mid-stroke (head 15.34 below the flange, convolution 24.96 below it)

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

bore_in1.5
piston_in1.31
convolution_in0.095
area_in21.55
height_in1.5
max_half_stroke_in1.12
flange_od_in2.5
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From the full sheet

Top-hat rolling diaphragm, 1.50 in bore, flat flange: the one that clamps in a 2 in tri-clamp joint: every size, notes, mating features and sources. What size rolling diaphragm fits a 2 inch tri-clamp?