Female thread and male thread with 90 degree for connecting pipe; hard connect way so it does not need sealing for most situation;
Meet NPT requirement of US, better than NPT thread, could be used as NPT thread, too;
Good raw material brass, high corrosion resistance, low magnetic characteristics and high temperature ductility;
Meet ASTM B584 and ASME/ANSI B16, some parts have DOT certification;
Direct manufacturer sales so bulk orders are acceptable with good price and short lead time;