This standard specifies the specifications and connection dimensions of the main wearing parts of double-acting drilling pumps. It includes: piston rod and piston core hole, piston rod, intermediary rod, cross head and locking nut, valve chamber, piston, cylinder liner. This standard It is suitable for the design, manufacture, ordering and use of main wearing parts of double-acting drilling pumps.
SY/T 5002-1996 history
1996SY/T 5002-1996 Connection dimensions of wearing parts of double-acting drilling pump