• Pup Joints

    Our Anson brand of union pup joints are used as interconnecting pipework between major equipment. NOV offers the industry’s most extensive range of pup joints including forged integral, welded, API threaded and NPST styles. All Anson brand pup joints are available for standard or sour gas service (NACE MR-01-75/ISO 15156) and are supplied with full material traceability and certification.

    Applications

    • Well Testing

    • Cementing

    • Fracturing

    • Acidizing

    Description

     Non-Pressure Seal Thread (NPST)
    • Lengths up to 20 feet long in 2-inch nominal bore sizes
    • Pressure ratings up to 15,000 psi

    Welded
    • Welded by ASME IX and BS EN 287-1 qualified welders
    • Weld inspected by ASNT approved and CSWIP qualified inspectors
    • Fully pressure tested and certified
    • Available in Standard or Sour Gas service
    • Available with flanged, hammer union, hub, or special end connections
    • Lengths up to 20 feet in 1- to 12-inch nominal bore sizes

    Forged
    • Inherently stronger due to construction
    • Smooth uninterrupted bores
    • Eliminates post weld heat treatment
    • End fittings machined integrally
    • Available in Standard or Sour Gas service
    • Available with hammer union, hub, metseal, or special end connections
    • Lengths up to 10 feet long in 1- to 3-inch sizes (special lengths available to order)
    • Pressure ratings up to 20,000 psi
    • Pressure ratings up to 15,000 psi