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L80 Steel Grade Barrel Coupling Oilfield Pump Parts
Pump accessories barrel coupling description:
API recognizes two main types of pumps: rod and tubing. Rod pumps also are called insert pumps because they are run (inserted) in the production tubing. Tubing pumps are so named because the working barrel of this pump is coupled with the production-tubing string.
There is a wide range of plunger (or pump-bore) sizes standardized by the industry. The API pump-bore sizes that are currently available range from 1 1/16 to 3 3/4 in. in diameter. This 1 1/16-in. size has been added back in the latest edition of the standard. Additionally, a new barrel type has been accepted in the latest API Spec. 11AX. This is the "X-type" barrel. It has a thin-walled barrel configuration for threads on either end of the heavy-walled barrel and is available for metal plungers only. This type of pump does not require the extension couplings normally needed for heavy-walled barrel pumps. Thus, this pump reduces the burst or collapse concerns of the thin-walled extension couplings and allows deeper producing depths to be attained.
API Specifications of Rod Pump:
| PUMP MODELS | Nominal Diameter (mm) | Plunger Length (m) | Stroke (m) | Pump Constant (m3/d) | Thread of Connecting Tubing | Thread of Sucker Rod | Max.Pump OD.(mm) | |
| RHA | 20-106RHAC/M | 28 | 0.6 0.9 1.2 1.5 | 0.6-8.0 | 0.886 | 2 3/8 | 3/4 | 45.72/47.63 |
| 20-125RHAC/M | 32 | 1.140 | 2 3/8 | 3/4 | 45.72/47.63 | |||
| 25-150RHAC/M | 38 | 1.642 | 2 7/8 | 3/4 | 58.67/59.54 | |||
| 25-175RHAC/M | 44 | 2.235 | 2 7/8 | 3/4 | 58.67/59.54 | |||
| 30-225RHAC/M | 57 | 3.694 | 3 1/2 | 3/4 | 71.37/72.24 | |||
| RHB | 20-106RHBC/M | 28 | 0.886 | 2 3/8 | 3/4 | 45.72/47.63 | ||
| 20-125RHBC/M | 32 | 1.140 | 2 3/8 | 3/4 | 45.72/47.63 | |||
| 25-150RHBC/M | 38 | 1.642 | 2 7/8 | 3/4 | 58.67/59.54 | |||
| 25-175RHBC/M | 44 | 2.235 | 2 7/8 | 3/4 | 58.67/59.54 | |||
| 30-225RHBC/M | 57 | 3.694 | 3 1/2 | 3/4 | 71.37/72.24 | |||
| RWA | 20-125RWAC/M | 32 | 1.140 | 2 3/8 | 3/4 | 45.72/47.63 | ||
| 20-150RWAC/M | 38 | 1.642 | 2 3/8 | 3/4 | 45.72/47.63 | |||
| 25-200RWAC/M | 50.8 | 2.920 | 2 7/8 | 3/4 | 58.67/59.54 | |||
| 30-250RWAC/M | 63.5 | 4.560 | 3 1/2 | 3/4 | 71.37/72.24 | |||
| RWB | 20-125RWBC/M | 32 | 1.140 | 2 3/8 | 3/4 | 58.67/59.54 | ||
| 20-150RWBC/M | 38 | 1.642 | 2 3/8 | 3/4 | 45.72/47.63 | |||
| 25-200RWBC/M | 50.8 | 2.920 | 2 7/8 | 3/4 | 58.67/59.54 | |||
| 30-250RWBC/M | 63.5 | 4.560 | 3 1/2 | 3/4 | 71.37/72.24 | |||
