Socket Weld Fitting Contraction Ring; Item Contraction Ring; Type Heavy Duty; Size 3 Inch NPS; Material Stainless Steel; Used On Item Socket Weld Fitting; Fitting Size 3.5 Inch; Outer Diameter 3.53 Inch; Radial Wall Size 0.21 Inch; Thickness 0.091 Inch

Gap-A-Let is a Split Ring that is Engineered and Designed to Give You a Pre-Measured 1/16" Minimum Gap for Socket Welds. Made from a Certified Stainless Steel, Gap-A-Let Resists Corrosion from Chemicals, Radioactive Materials and Water; Gap-A-Let's Spring Tension Makes it Fit Tightly into All Standard Sized Fittings; Once Inserted into the Fitting, the Gap-A-Let Ring Becomes a Permanent Part of the Joint. it will not Rattle or Vibrate even Under Extreme Pressure; Cut Fit-Up Time by up to 90%; Save Thousands of Dollars in Cracked Weld Repairs