Integral Pup Joints

Pup joints are made of high quality alloy steel seamless pipelines with forged upset ends, heat treated, one end of pup joints is machined ACME thread, and another end is installed with detachable wing nut, union end connections enable fast, easy make-up and break-out of temporary flow lines; such eliminates all welds or threads with uniform bore for greater flow capacity. Pup joints are hydrostatically tested at 1.5 times the rated cold working pressure, and available from 2" to 3" in size, lengths for pup joints range from 3 feet to 20 feet at 6,000 psi (Code Silver) to 15,000 psi (Code Red), lengths of pup joints for field service are available, these pup joints can handle a complete range of high pressure and abrasive oilfield fluids. Integral pup joints can be available with two models, one is plain integral pup joints featured straight pipe; another pup joints is featured with retaining shoulder, this pup joints with retention shoulder can prevent nut from sliding down pup joints when held vertically, end connections of integral pup joints are often fig 1002 or fig 1502, for other connections of pup joints, contact the manufacturer.