ANKA 1/2" x 1" Male NPT Thread Reducing Adapter

1/2 Pipe x 1 Male NPT Thread Reducing Male Adapter
This 1/2 inch x 1 inch reducing male NPT adapter is manufactured from high grade fiberglass reinforced nylon. It is non corrosive; using high quality materials approved for use with drinkable water. Designed to connect a range of ID nominally sized polyethylene pipe, tube and hose with varying wall thicknesses. Connection can be made by hand, without tools. It is re-usable and utilizes a unique way to connect pipe without the need for multiple replacement parts. The unique blue captive nut seals stays on the ridge and seals the pipe on the ridge. Male NPT inlet and barb outlet connection type, fits 1/2 and 1 inch nominally sized polyethylene pipe, tube and hose. Used for the most rigorous agricultural and horticultural uses. Maximum pressure is 230 psi and maximum temperature is 140 degrees F.


  • Features male NPT inlet and barb outlet connection type
  • Efficiently connects polyethylene pipe, tube, and hose
  • High grade fiberglass reinforced nylon construction offers corrosion resistance and long-lasting, reusable wear
  • Ideal for agricultural, irrigation, rural and municipal, and plumbing applications
  • Fast and easy to install, connection can be made by hand, with no special tools required
  • Provides Leak Free protection and is UV stabilized for above ground or below grade applications
Maximum Working Temperature-Celsius60.00
Outer Diameter1/2 IN
Buy American Act CompliantNO
Outlet MaterialReinforced Thermoplastic
Lead FreeYES
Inlet MaterialReinforced Thermoplastic
Maximum Working Pressure-BAR16.00
Maximum Working Pressure-PSI230
Minimum Temperature-Fahrenheit32
MaterialReinforced Thermoplastic
Minimum Temperature - Celsius0.00
Outlet Connection TypeBarb
Outlet Connection Size1 IN
Maximum Working Temperature-Fahrenheit140
Inlet Connection Size-Metric15 MM
Inner Diameter1/2 IN
Inlet Connection Size1/2 IN
Inlet Connection TypeBarb

The double barbed insert connection with a captive nut securly grips the hose or pipe for a leak free fit. The barb is tapered and non restrictive, allowing for full flow. Anka fittings are easy to install by hand, without any special tools. 

Anka captive nut for pip fittings

How to install ANKA fittings


ANKA pipe fittings give you an easy to use, leak free connection for rural, municipal, pump and pressure, irrigation, agricultural, hydroponic, industrial, lanscaping and marine applications. They can be used on poly pipe, clear or braided hose, garden or a wash down hose. 

Anka Pipe Fittings and Adaptors