Article Code                 Diameter                    Connection Thread

HJ-4011                       ¢27                             M10×1-12.5

HJ-4012                       ¢27                             1/8NPT

HJ-4013                       ¢25                             M10×1-12.5

HJ-4014                       ¢25                             1/8NPT

powder fire extingusiher pressure gauge