DANIELI Engineering Products standard ID and number descriptions for your reference as follows:
Metric taper thread adapter is designed by DIN 158-1 and ISO 68-1 standard, it use the basic metal to metal sealing design for achieving a seal by taper thread. Male metric taper thread adapters will
Metric orb fittings is designed by ISO 6149 standard of pipe fittings, port adapters and plugs. The male fitting has a straight thread and O-ring. The female port has a straight thread, a machined sur
