High Pressure Bolted Clamps (13MHP) 1 in. x 1-1/2 in.
Single-Pin Heavy Duty Hinge Clamp - Sanitary Fittings
KF50 Hinge Wing-Nut Pipe Clamps Aluminum Pipe Fitting Triclamp Tri-clamp Fittings Connection(No Centering Bracket, No O-Ring) - AliExpress
8 Sets 1 Inch 4 Way Structural Pipe Connector Metal Joint Chain Link Fence Clamp, Stainless Steel 201 Corner Fitting End Rails Clamps, Thickness 1.8mm - Amazon.com
Sanitary Stainless Steel Clamp Fittings
The Plumber's Choice 1-1/4 in. Hinged Split Ring Pipe Hanger, Galvanized Iron Clamp with 3/8 in. Rod Fitting, for Suspending Tubing (5-Pack) 114HSHG-5 - The Home Depot