SIZE: 1/4 NPT to 1/4 NPT male brass equal hex nipples. PLEASE NOTE, NPT Taper Thread Size is a nominal pipe size and it does not represent the actual diameter. Please look the size chart for the specific thread diameter. NPT thread has a 60° taper, so usually unable to screw the thread to the end
MATERIAL: Premium solid brass nipple, thicker and stronger, durable, threads are deep and accurate, high corrosion resistance, low magnetic permeability and high temperature ductility. Quantity: 4pieces brass hex nipple adapters
FUNCTION: Used to connect female pipes with same diameters, or extending the pipe length. Apply to plumbing connections, compressed air, hydraulic, refrigeration, instrumentation, gas. Hex nipples for easy tightening and loosening
Operating pressure: 1200 psi, Temperature range of -65°F to +250°F (-53°C to +121°C). It's hard connect way and in most cases do not require sealant
NPT TAPER THREAD: The standard NPT taper threads allow the brass fittings better mesh with the object, strengthen the fixation to prevent leakage. The threads are smoother, the installation is easier and faster