Library › Hardware › Two-bolt high-pressure clamps for 10 and 12 in tri-clamp joints

12 in two-bolt clamp half (two per joint)

12 in two-bolt clamp half (two per joint): 20° groove, contact after 0.4, 0.6 squeeze; section 6 behind the groove; Ø333.3 × 19.43 wide; M8 × 40 through Ø9 at x ±174.64, nut in a 13 AF trap 6.8 deep

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

size_in	12
clamp_od_mm	333.3
width_mm	19.43
bolt_spacing_mm	349.3
bolts	2 × M8 × 40 hex head (ISO 4017) + nuts
13MHP_psi_70F_250F	150 / 100
13MHHM_psi_70F_250F	50 / 25

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From the full sheet

Two-bolt high-pressure clamps for 10 and 12 in tri-clamp joints: every size, notes, mating features and sources. What clamp holds a 10 inch tri-clamp joint under pressure?

Other sizes

10 in two-bolt clamp half (two per joint)