This stainless steel coupling adapter is a hex-bodied fitting designed to connect pipes and components with 1/2″ NPT female threads. It suits air, water, gas, oil, and other fluid systems where reliable connections are essential.
Made from 304 stainless steel, these adapters offer superior corrosion resistance and durability compared to galvanised iron or brass alternatives. They withstand temperatures from -500°C to 800°C and operate at pressures up to 2800 PSI, making them suitable for low to medium pressure applications in refrigeration, hydraulic, pneumatic, instrumentation, and fuel systems.
The pack includes two couplers, each with the same 1/2″ NPT female connection on both ends. Before purchase, verify that your existing fittings and pipes match these thread specifications—check the size chart to confirm compatibility with your application.
These fittings are straightforward to install: apply appropriate thread sealant tape or compound to the male threads, then screw into the female ports. Hand-tighten first, then use a wrench to achieve a snug fit without over-tightening.
To select the right coupling adapter for your system, identify your current thread type (NPT), size (1/2″), and pressure requirements. If you’re unsure whether this model suits your application, check the specifications against your existing components or contact our team for advice.


















