Characteristic Analysis of Digital Large Flow Emulsion Relief Valve

Table 4

Structural parameters of relief valve.

Parameter name	Numerical value
Inlet and outlet flow diameter (mm)	37
Diameter of main valve core (mm)	46
Main valve seat bore (mm)	36
Damping hole length (mm)	8
Damping hole diameter (mm)	0.8
Main cone valve port half cone angle (°)	30
Pilot valve core half cone angle (°)	20
Pilot valve bore (mm)	3.5
Ceramic ball diameter of pilot valve (mm)	5.2
Spring stiffness of pilot valve (N/mm)	57.4