The Dong-A Pup Joint is used in High-pressure well service flowlines, frac manifolds, well testing internal connections, cementing and circular flowlines. The Pup Joint has specifications of 2 to 4 inches. It is adaptive to a working pressure up to 15,000 psi and 100% hydrostatically tested at 1.5 times. Dong-A offers 2 different types of Pup Joints.

• NPST (Non Pressure Seal Type)

  • 1502 NPST

  • • NPST pup Joints are available in 2" to 4" sizes with line pipe threads or non-pressure seal threads in any critical lengths up to 30 feet with 602, 1002, or 1502 end connections.

• Forged Integral Type

  • 1502 INTEGRAL

  • • Integral pup Joints are available in 2” and 3” with lengths ranging from 1’ to 10’ sizes.