PYZS supplies a full range of swivel joints including a longlife long radius, short radius threaded and larger quadrace swivel joints for sizes up to 8"

All swivel joints can be supplied suitable for standard service or sour gas service in accordance with NACE MR-01-75, suitable for operating temperatures of -22°F （-30℃）to 392° （200℃）（sour gas models.）.

The swivel elbows are a forged one-piece construction, fully heat treated and subjuct to a full MPI inspection to ASTM E709. The design requires no retaining segments for the hammer nut and offers no crack propagating body penetrations. Standard service models utilize extra strong materials with good ductility.

The longlife swivel joint is available in sizes up to 4" with working pressures up to 15,000 psi and in styles 10 through 100. End connections are hammer union (LRHU) as standard, but other connections can be manufactured to order.