NPT SPEC/SIZE CHECK: NPT1/4-18 Male x NPT1/2-14 Female Brass Pipe Fitting Adapter, can be used in wet environments. The NPT (National (American) Pipe Thread) size is the American standard 60 degree taper pipe thread, is NOT equal to joint diameter size measured by common tools like ruler, tape measure or vernier caliper. Please find the correct size comparison information on the detailed page before purchasing!
THREADS: 1/4 NPT Male Thread (OD approx 0.52" - 0.54", 18 Threads Per Inch) x 1/2 NPT Female Thread (ID approx 0.73" - 0.8", 14 Threads Per Inch), not easy to slip, the NPT threads create a tighter seal than straight threads, and smoother threads for easier and quicker installation.
MATERIAL: Made of premium solid brass, high strength and hardness, wear and corrosion resistance, more durable than iron / iron galvanized pipe fittings.
USE: Work temperatures range from -53°C to 121°C (-65°F to 250°F), can be used with garden sprinkler, grease, fuels, refrigeration, instrumentation and hydraulic systems in low and medium pressure pipe line connections. NPT threads are tapered, and it is recommended to use them together with Pipe Thread Sealant or Teflon Plumbers Tape for sealing. Not recommended to use gaskets.
STANDARD & NOTE: High quality assurance, can not used for potable water due to the fittings contain lead. For better sealing, we suggest that all fittings must be used with sealing tape.
