Sucker rod pump barrel is one important part for sucker rod pump, which is manufactured as per API 11AX Specification. The sizes of sucker rod pump barrel ranges from 1-1/16" ID to 4-3/4" ID, and the maximum length is 40'. The material of sucker rod pump barrel can be : steel, steel chrome-plated ID, steel with nickel / silicon carbide composite coating, brass, brass chrome-plated ID, brass with nickel / silicon carbide composite, 501 stainless steel, 501 stainless steel chrome - plated ID, 501 stainless with nickel / silicon carbide composite coating.
| No. | Barrel Size | Nominal Diameter mm(in.) | Inner Diameter Tolerance(mm) | Wall Thickness | Material | Plunger Size | Outside Diameter Tolerance | Plunger Length |
| 1 | φ32 | 31.75mm 1-1/4" | ±0.05 | 1.5mm 3/50" 3.18mm 1/8" 6.35mm 1/4" 9.53mm 3/8" 19.05mm 3/4" 22.23mm 7/8" 25.4mm 1" | Carbon Steel Pipe Brass PipeAlloy Steel Pipe | φ32 | ±0.05 | 1.2m-1.8m 4'-6' |
| 2 | φ38 | 38.10mm 1-1/2" | ±0.05 | φ38 | ±0.05 | |||
| 3 | φ44 | 44.45mm 1-3/4" | ±0.05 | φ44 | ±0.05 | |||
| 4 | φ50 | 44.45mm 2" | ±0.05 | φ50 | ±0.05 | |||
| 5 | φ57 | 57.15mm 2-1/4" | ±0.05 | φ57 | ±0.05 | |||
| 6 | φ70 | 69.85mm 2-3/4" | ±0.10 | φ70 | ±0.10 | |||
| 7 | φ83 | 82.55mm 3-1/4" | ±0.10 | φ83 | ±0.10 | |||
| 8 | φ95 | 95.25mm 3-3/4" | ±0.10 | φ95 | ±0.10 | |||
| 9 | φ108 | 107.95mm 4-1/4" | ±0.10 | φ108 | ±0.10 | |||
| 10 | φ220 | 219.75mm | ±0.10 | φ220 | ±0.10 |
