High pressure union, importing advanced technology, is forged with high-strength alloy steel, strict heat treatment process can ensure
that the nipple have uniform metallurgical structure and pressing ability and the material meets ASTM and AISI standard, the technology indexes conform to API Spec 6A, the product adopts some end connection of pipeline thread, butt-weld and compress-seal.
The types may consist of Fig 100,200,206,207,211,400,600,602,1002,1003,1502,2002