Midland Industries SS6900-32-32 O-ring Swivel Adapter

Product Description

The MIDLAND INDUSTRIES SS6900-32-32 is a 2-inch Male O-Ring Boss (MORB) to 2-inch Female NPSM Swivel adapter machined from 316 stainless steel. Part of the SS6900 Series, it provides a leak-resistant, rotatable connection between O-ring boss ported components and female NPSM threaded fittings. The swivel design allows the female end to rotate freely during installation, eliminating torsional stress on mating components. The 316 stainless construction delivers strong resistance to corrosion in aggressive fluid, chemical, and marine environments. Licensed plumbers and pipefitters install this adapter in industrial piping, hydraulic, and fluid-transfer systems where metal fittings are required.

This adapter is suited for industrial, commercial, and marine plumbing applications where a reliable transition between O-ring boss and NPSM swivel connections is needed. The 2-inch port size handles high-flow lines in process piping, fluid power, and equipment manifold installations. At a rated operating temperature of 1000 degrees F, it is appropriate for high-temperature service conditions where standard brass or carbon steel fittings would be inadequate. The SS6900 Series is specifically engineered for MORB-to-female-pipe-swivel configurations.

Key Features

• 316 stainless steel construction for superior corrosion resistance in aggressive and marine environments
• 2-inch Male O-Ring Boss connection provides a positive, leak-resistant seal without thread sealant on the boss end
• 2-inch Female NPSM swivel end rotates freely to simplify alignment and reduce installation stress
• Rated for operating temperatures up to 1000 degrees F
• Overall length of 2.629 inches supports compact inline installations
• Thread specifications: 2-1/2 - 12 (MORB) x 2 - 11-1/2 (NPSM)

Compatibility

Designed as an OEM-style fitting for industrial piping, hydraulic, and fluid-transfer systems requiring a 2-inch Male O-Ring Boss to 2-inch Female NPSM Swivel transition in stainless steel.

Installation Notes

Installation should be performed by a licensed plumber or qualified pipefitter in accordance with applicable codes. Isolate and depressurize the system and drain residual fluid before removing or installing any fittings. The O-ring boss end requires a properly seated O-ring for sealing - inspect the O-ring for damage before assembly and replace if necessary. Do not overtighten the NPSM swivel end; verify torque requirements against system specifications and fitting manufacturer guidance.