API RHB PUMP/ Precision Insert Type API Rod Pump with Heavy-wall Barrel
 
 
The RHB Pump assembly is installed in the well on the end of the sucker rod string and seated in the seating nipple installed in the tubing string at a predetermined depth. When a cup hold-down is used, the pump type ends with "C." When a mechanical hold-down is used, the pump type ends with "M." 

The API B-12 heavy-wall barrel has a maximum wall thickness of .25" and is externally threaded with an inside diameter tolerance of minus .000" plus .002". The RHB Pump can be assembled with numerous types of plungers and components to suit your well's environment.
RHB - designed with heavy wall barrel and extension for stroke 
through configurations
 






 
 
Features
? General purpose API pump
? Number of available accessories to meet application 
needs- Balanced pressure around the barrel overcomes the 
disadvantages of a top anchor pump.
? Fluid has only to pass through the anchor and standing 
valve to be in the producing chamber of the pump. The top 
anchor pump shares this advantags.
RHB Rod Pump

Specifications
Tubing Size 
(inches) 1-1/2 2-3/8 2-7/8 2-7/8 3-1/2

Pump Bore 
(inches) 1-1/16 1-1/4 1-1/2 1-3/4 2-1/4

Pump 
Constant1 0.132 0.182 0.262 0.357 0.590

Barrel O.D. 
(inches) 1.317 1.625 1.875 2.250 2.750
 

Extension 
O.D. (inches) - 1.750 2.250 2.250 2.750
Designation 15-106-RHB 20-125-RHB 25-150-RHB 25-175-RHB 30-225-RHB
Sucker Rod Pumps: