Flow Line and Pup Joints

TSI Flow Products provides a wide range of Flowline and Pup Joints to the oil and gas industry. Available in sizes 2”, 3” and 4” in NACE and Non‐NACE configurations. NPST Pipes are available in Detachable and Non‐Detachable with a uniform bore in a variety of lengths up to 15,000 PSIG. Available with upgraded DC15 Connections as well.

Flow Line SPECIFICATIONS:

  • Available in sizes 2”, 3” and 4”
  • Available in NACE and Non‐NACE
  • NPST Pipes are available in Detachable and Non‐Detachable
  • Uniform bore
  • Available up to 15,000 PSIG
  • Available in a variety of lengths
  • Available in our DC15 Connections
4 inch 1502 integral pup flow line
NPST Pup Weight
Size & Fig No.Weight per Foot Pipe
2″ 15027.43 lb/ft
3″ 150217.46 lb/ft
4″ 100218.73 lb/ft
4″ 150224.21 lb/ft
4 inch 1502 NPST Pup Flow Line
Operation Limitations
Working Pressure Maximum15,000 psiDesign Temperature Range‐20°F (‐29°C) to 250°F (121°C)
Testing Pressure Minimum22,500 psiService ConditionGeneral Service (Standard)
Material ClassAAAPI 6A PSL1
  Performance RequirementPR-1

Designed and manufactured to meet the requirements of:

  • API 6A, 20th Edition, 2010, Specification for Wellhead and Christmas Tree Equipment
  • ASME B31.3‐2016, Process Piping