Double Travelling Valve RHBC Model Downhole Pumps
Double travelliing valve rod type pump Description
Puyang Zhongshi Group manufacture all subsurface pumps covered by API Spec 11AX, including all barrel and plunger materials and surface finishes.
The description of API-RHBC is Rod, Stationary Heavy Wall Barrel, Cup Bottom Anchor Pump
Subsurface downhole pump are applied to pumping crude oil from oil well with pumping unit and sucker rod. Through sucker rod, downhole pump is descent to certain depth of oil. When pumping unit drives sucker rod to move up and down, sucker rod drives plunger of subsurface sucker rod pump move up and down in tubing barrel and pump crude to surface.
API parameters for THC pumps:
THC API model | OD of pump (in) | Barrel length (ft) | Plunger length (ft) | Stroke length (ft) | Extension length (ft) | Tubing size EUE(in) |
20-175THC | Ø44.45 | 7-34 | 1-26 | 4-29 | 2-8 | 2 3/8" |
25-225THC | Ø57.15 | 2 7/8" | ||||
30-275THC | Ø69.85 | 3 1/2" | ||||
40-375THC | Ø95.25 | 4 1/2" |
Features:
1. High volume and high pressure
2. Heavy walled barrel
3. Extensions can be added to both top and bottom of the barrel