API трубки насоса (API 11AX)

Comparing with conventional tubing pump,The API Tubing Pump has better performance in corrosion resistance & antifriction aspects.Plunger of it is nickel plated on alloy base,inside wall of barrel is plated hard cadmium,key parts,such as valve hood,valve ball,are made of materials with excellent mechanical performance and corrosion resistant property.Compared with conventional pump,the series of pump has a longer working life. Subsurface pump Per API Spec.11AX Technical Data Pump bore Length of plunger(ft) Length of barrel (ft) Range of Stroke(ft) Size of connecting tubing(in) Size of connecting Sucker rod Pump Constant d/ft3 1252--246--324--26 2 2 7/8 CYG16 40.948 150 2 2 7/8 CYG16 57.539 175 2 2 7/8 CYG16 77.307 225 2 7/8 CYG19 124.962 275 31/2 CYG22 195.562 325 31/2 CYG22 274.987 375 4 CYG22 360.413 425 4 CYG25 482.904