This part of JB/T 6144 specifies the classification and technical conditions of the 55° sealing pipe threaded cone joint of the cone sealing hose assembly. This section applies to 55° sealing pipe threaded cone joints of cone sealing hose assemblies with oil and water as media. This section is used in conjunction with JB/T 6142.1~6142.4 and JB/T 6143.1~6143.4.
JB/T 6144.3-2007 Referenced Document
JB/T 6142.1 Wire braiding rubber hose assembly with sealing cone