API 11AX 25-175RHAM12-3-2-0 sucker rod pump  

API 25-175RHAM12-3-2-0 Sucker Rod Pump Product Description 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. The THD type of tubing pump means that its standing valve is directly connected to the barrel and it cannot be pulled up separately with the barrel. The TH or THM type of tubing pump means that its standing valve can be pulled up separately with the barrel. The seating assembly of TH pump is cup type and for THM is mechanical type. The TH and THM type of tubing pump are suitable for the frequently work-over wells.…