Pup joints (flow line pipings) are available in lengths to 10 feet to handle fluids at cold working pressures to 15,000 psi based on technologies from FMC WECO pup joints. There are four different types of pup joints: Pressure Seal Pup Joints, NPS (Non-Pressure Seal) Pup Joints, Integral Pup Joints and Welded Pup Joints. Sour gas pup joints are also available.Recommended Servicel High-pressure well servicing lines, fracturing lines, testing lines, cementing and circulating linesl Other well service, stimulation and abrasive applications