Heavy Wall Tubing Pump

We are offering heavy wall tubing pump. Working principle
plunger move from bottom to top in virtue of fluid pressure from top tube.top and bottom traveling valve close .when stroke begins oil flow through inflow valve as different pressure, then oil flow in barrel through standing valve
down-stroke oil-fluid pressure drive traving-valve ,oil-fluid flow in tube thongh inner hole from bottom of plunger to top of plunger
specification
dia
mm barrel length
(m) plunger length tube size
(in) sucber rod size pump constant
(m3/d)
28 3.3-9.5 0.6-6.9 27/8 3/4 0.877
32 27/8 3/4 1.140
38 27/8 3/4 1.642
44 27/8 3/4 2.235
50 3.3-8 0.6-5.4 27/8 3/4 3.012
56 27/8 3/4 3.694
70 31/2 7/8 5.518
95 3.3-6.6 0.6-1.8 41/2 1 9.128.