1.Function: piston assembly is main parts of mud pump fluid end, piston assembly is reciprocating linear motion within cylinder liner, thereby creating a mud pump discharge pressure. 3.Relevant parameters: |¦ì110 |¦ì113 73 2.69 |¦ì120 |¦ì123 73 3.21 |¦ì130 |¦ì134 79 4.49 |¦ì140 |¦ì145 79 5.35 |¦ì150 |¦ì155 79 6.11 |¦ì160 |¦ì165 84 8.22 |¦ì170 |¦ì175 84 9.05 |¦ì180 |¦ì185 84 9.81 Imperial parameters of piston Specification Size ¡¡ãa¡¡à Size ¡¡ãb¡¡à Weight (kg) 4¡å |¦ì105 73 2.2 4-1/2¡å |¦ì117 73 3.17 5¡å |¦ì130 79 4.5 Export package.