This standard specifies the nominal pressure, nominal diameter, gas port connection thread size, cylinder barrel inner diameter and piston rod diameter size of pneumatic components used in oil drilling and production equipment. This standard applies to pneumatic components for oil drilling and production equipment that use compressed air as the working medium.
SY/T 5027-1993 history
2012SY/T 5027-2012 Pneumatic components for petroleum drilling and production equipment
2006SY/T 5027-2006 Pneumatic components for petroleum drilling and production equipment
1993SY/T 5027-1993 Basic parameters of pneumatic components for oil drilling equipment