LENGAP1.0 - 1 Inch Socket Weld Contraction Rings 20 Pack

Precision Socket Weld Spacing for Code Compliance

The Gap-O-Let 1.0 Socket Weld Contraction Ring is an essential component for ensuring the structural integrity and code compliance of piping systems. In socket weld applications, the establishment of a proper gap between the end of the pipe and the bottom of the socket is critical. Without this gap, the heat generated during welding causes the pipe to expand thermally. If the pipe is bottomed out against the socket, this expansion creates immense stress at the root of the weld, often leading to stress corrosion cracking and eventual joint failure. The Gap-O-Let ring is engineered to automatically provide the industry-standard 1/16-inch (1.6mm) minimum gap required by major piping codes.

Designed for professional industrial applications, these rings are manufactured from high-quality stainless steel. This material choice ensures that the rings do not introduce contaminants into the weld pool and are compatible with a wide range of piping materials, including carbon steel, chrome-moly, and stainless steel. The rings feature a unique spring-tension design that allows them to snap securely into the fitting. This retention mechanism is vital for efficiency, as it holds the ring in place even when fittings are oriented vertically or overhead, preventing the spacer from falling out during the fit-up process.

Compliance with ASME standards is a primary concern for any piping engineer or QC inspector. The Gap-O-Let rings help fabricators consistently meet the requirements of ASME B31.1 (Power Piping), ASME B31.3 (Process Piping), and ASME Section III (Nuclear Power Plant Components). By utilizing a pre-measured, consumable insert, the variability of manual measurement is eliminated. This ensures that every joint has the necessary expansion void, significantly reducing the risk of radiographic or ultrasonic inspection failures due to improper fit-up. This pack contains 20 rings sized for 1-inch NPS fittings, making it a standard stock item for maintenance, repair, and operations (MRO) in petrochemical, power generation, and marine sectors.