Midland Industries SS6900-16-16 O-ring Swivel Adapter

Product Description

The MIDLAND INDUSTRIES SS6900-16-16 is a 316 stainless steel O-ring swivel adapter designed for high-integrity hydraulic and fluid system connections. One end features a 1-inch Male O-Ring Boss (MORB) port, and the other features a 1-inch Female NPSM swivel connection. The swivel design allows the female end to rotate freely during assembly, eliminating torque stress on adjacent fittings. At 2.039 inches in length, this compact adapter is suited for tight plumbing configurations. The 316 stainless steel construction provides excellent corrosion resistance in aggressive fluid environments. Licensed plumbers, pipefitters, and fluid power technicians are the primary installers.

This adapter is used in industrial piping, hydraulic systems, fluid transfer lines, and process plumbing where an O-ring boss port must be transitioned to a female NPSM swivel connection. The SS6900 series is built for installations where vibration, pressure cycling, or corrosive media demand a reliable leak-free seal. It is appropriate for both commercial and industrial applications. The MORB connection relies on an O-ring face seal at the boss port for a positive, low-leak interface, making it a preferred choice over tapered thread connections in many fluid systems.

Key Features

• 316 stainless steel construction for corrosion resistance in harsh fluid environments
• 1-inch Male O-Ring Boss x 1-inch Female NPSM Swivel configuration
• Swivel female end allows rotation during assembly to reduce installation torque stress
• Compact 2.039-inch length suits tight plumbing and hydraulic circuit layouts
• Thread specification: 1-5/16 - 12 on the MORB end x 1 - 11-1/2 on the NPSM end
• Part of the SS6900 Series MORB to Female Pipe Swivel product family

Compatibility

Designed as a direct-fit adapter for plumbing and fluid power systems requiring a transition from a 1-inch Male O-Ring Boss port to a 1-inch Female NPSM swivel connection in 316 stainless steel configurations.

Installation Notes

Installation should be performed by a licensed plumber, pipefitter, or qualified fluid power technician following applicable IPC and ASME standards. Depressurize and drain the system completely before removing or installing any fittings. Verify that the O-ring is properly seated in the MORB boss port before tightening; a damaged or missing O-ring will result in leakage. Do not use thread sealant tape on the O-ring boss end, as the seal is achieved by the O-ring, not the threads.