
Hammer union is mainly used in oil industry in high-pressure pipeline connection. Size have 1 ~ 5, work thepressure 7 mpa to 140 mpa (1000 psi – 1000 psi), the API 6 aand 16 c API certification, prevent H2S union according tothe NACE standard MR0175.
With self-locking type ACME threads design;
rapid tightening and remove;
made by international standard, and can be interchangeable with imported parts;
seal with high pressure resistance;
using nc machine tool processing seiko degree is high;
type, specification identifies die forging on the wing nut, identification and convenient.






